The remote SUSE Linux SLES16 / SLES_SAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:24260-1 advisory.

    Firefox Extended Support Release 153.5.0 ESR (MFSA 2026-108, bsc#1284493):

    - CVE-2026-109704: Privilege escalation in the Application Update component.
    - CVE-2026-109705: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-     free in the       Networking component.
    - CVE-2026-109706: Use-after-free in the Storage: IndexedDB component.
    - CVE-2026-109707: Sandbox escape due to use-after-free in the Networking component.
    - CVE-2026-109708: Sandbox escape due to incorrect boundary conditions in the Networking component.
    - CVE-2026-109709: Information disclosure, privilege escalation in the Security: Process Sandboxing     component.
    - CVE-2026-109710: Use-after-free in the Graphics: Text component.
    - CVE-2026-109711: Use-after-free in the Graphics: Canvas2D component.
    - CVE-2026-109712: Sandbox escape due to uninitialized memory in the Graphics component.
    - CVE-2026-109713: Use-after-free in the Crash Reporting component.
    - CVE-2026-109715: Incorrect boundary conditions in the JavaScript Engine component.
    - CVE-2026-109716: Incorrect boundary conditions in the JavaScript Engine component.
    - CVE-2026-109717: Use-after-free in the DOM: Bindings (WebIDL) component.
    - CVE-2026-109718: Use-after-free in the XML component.
    - CVE-2026-109719: Race condition, use-after-free in the Graphics: CanvasWebGL component.
    - CVE-2026-109720: JIT miscompilation in the JavaScript: WebAssembly component.
    - CVE-2026-109721: Incorrect boundary conditions in the JavaScript Engine: JIT component.
    - CVE-2026-109722: JIT miscompilation in the JavaScript Engine: JIT component.
    - CVE-2026-109723: Integer overflow in the Layout: Text and Fonts component.
    - CVE-2026-109724: Use-after-free in the DOM: Core & HTML component.
    - CVE-2026-109725: Use-after-free in the DOM: Core & HTML component.
    - CVE-2026-109726: Use-after-free in the SVG component.
    - CVE-2026-109727: Use-after-free in the Audio/Video component.
    - CVE-2026-109728: Use-after-free in the DOM: Animation component.
    - CVE-2026-109729: Use-after-free in the JavaScript Engine: JIT component.
    - CVE-2026-109730: Integer overflow in the Graphics component.
    - CVE-2026-109731: Incorrect boundary conditions in the Graphics: Canvas2D component.
    - CVE-2026-109732: Use-after-free in the DOM: Streams component.
    - CVE-2026-109733: JIT miscompilation in the JavaScript Engine: JIT component.
    - CVE-2026-109734: Mitigation bypass in the DOM: Security component.
    - CVE-2026-109736: Frame poisoning in the Layout component.
    - CVE-2026-109737: Mitigation bypass in the Enterprise Policies component.
    - CVE-2026-109738: Use-after-free in the Audio/Video: Playback component.
    - CVE-2026-109740: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.
    - CVE-2026-109741: Use-after-free in the Storage: Bucket File System component.
    - CVE-2026-109742: Information disclosure in the PDF Viewer component.
    - CVE-2026-109743: Privilege escalation in the Panning and Zooming component.
    - CVE-2026-109744: Other issue in the DOM: File component.
    - CVE-2026-109745: Sandbox escape due to uninitialized memory in the DOM: Web Serial component.
    - CVE-2026-109751: Information disclosure in the Networking component.
    - CVE-2026-109752: Use-after-free in the DOM: Workers component.
    - CVE-2026-109753: Incorrect boundary conditions in the Layout component.
    - CVE-2026-109754: Incorrect boundary conditions in the DOM: Editor component.
    - CVE-2026-109756: Privilege escalation in the DOM: Navigation component.
    - CVE-2026-109757: Sandbox escape due to race condition in the Networking component.
    - CVE-2026-109759: Site isolation issue in the Networking component.
    - CVE-2026-109760: Mitigation bypass in the Networking: HTTP component.
    - CVE-2026-109762: Incorrect boundary conditions in the SVG component.
    - CVE-2026-109763: Mitigation bypass in the File Handling component.
    - CVE-2026-109764: Mitigation bypass in the Enterprise Policies component.
    - CVE-2026-109765: Race condition, use-after-free in the Graphics: Text component.
    - CVE-2026-109766: Mitigation bypass in the Enterprise Policies component.
    - CVE-2026-109767: Information disclosure in the Networking component.
    - CVE-2026-109770: Spoofing issue in the DOM: Web Serial component.
    - CVE-2026-109775: Denial-of-service in the WebRTC component.
    - CVE-2026-109776: Race condition in the XPCOM component.
    - CVE-2026-109777: Information disclosure in the Storage: IndexedDB component.
    - CVE-2026-109778: Privilege escalation in the WebExtensions component.
    - CVE-2026-109781: Denial-of-service in the Printing: Output component.
    - CVE-2026-109782: Mitigation bypass in the File Handling component.
    - CVE-2026-109783: Mitigation bypass in the File Handling component.

    libexpat updated:

    - CVE-2026-32776: libexpat: NULL pointer dereference when processing empty external parameter entities     inside       an entity declaration value. (bsc#1259727)
    - CVE-2026-32777: libexpat: denial of service due to infinite loop in DTD content parsing. (bsc#1259712)
    - CVE-2026-32778: libexpat: NULL pointer dereference in `setContext` on retry after an out-of-memory     condition. (bsc#1259730)
    - CVE-2026-41080: libexpat: insufficient entropy, and thus hash flooding can occur via a crafted XML     document. (bsc#1262263)
    - CVE-2026-45186: libexpat: computational complexity of attribute name collision checks allows a denial of     service via moderately       sized crafted XML input. (bsc#1264713)
    - CVE-2026-50219: libexpat: Use-after-free vulnerability due to lack of handler call depth tracking in     libexpat could lead to       information disclosure, integrity loss, or denial of service. (bsc#1275098)
    - CVE-2026-56131: libexpat: Use-after-free vulnerability due to a lack of handler call depth tracking for     XML_ResumeParser in       libexpat could lead to denial of service. (bsc#1275098)
    - CVE-2026-56132: libexpat: Heap buffer overflow in doProlog due to mishandled array reallocation in     libexpat could lead to       denial of service or memory corruption. (bsc#1275098)
    - CVE-2026-56403: libexpat: Integer overflow vulnerability in the storeAtts attribute parsing function in     libexpat could lead       to memory corruption. (bsc#1275098)
    - CVE-2026-56404: libexpat: Integer overflow vulnerability in the addBinding routine of libexpat could     lead to memory corruption       and potential security risks. (bsc#1275098)
    - CVE-2026-56405: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or     denial of service. (bsc#1275098)
    - CVE-2026-56406: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or     denial of service. (bsc#1275098)
    - CVE-2026-56407: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or     denial of service. (bsc#1275098)
    - CVE-2026-56408: libexpat: Integer overflow vulnerability in the copyString function in libexpat could     lead to memory corruption. (bsc#1275098)
    - CVE-2026-56409: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or     denial of service. (bsc#1275098)
    - CVE-2026-56410: libexpat: Integer overflow vulnerability in the xmlwf utility of libexpat could lead to     denial of service. (bsc#1275098)
    - CVE-2026-56411: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or     denial of service. (bsc#1275098)
    - CVE-2026-56412: libexpat: Use-after-free vulnerability due to a lack of handler call depth tracking in     libexpat could lead to denial of       service or memory corruption. (bsc#1275098)
    - CVE-2026-66046: libexpat: denial of service vulnerability caused by quadratic algorithmic complexity in     the storeAtts() function       in xmlparse.c. (bsc#1275736)
    - CVE-2026-72522: libexpat: Out-of-bounds read and resultant infinite loop in the Unicode processing     functions in libexpat allowed       attackers to cause denial of service. (bsc#1275605)
    - CVE-2026-76641: libexpat: Out-of-bounds read vulnerability caused by a struct size mismatch in libexpat     allowed attackers to trigger       memory corruption or a crash. (bsc#1275736)
    - CVE-2026-76956: libexpat: Insufficient entropy caused by misinterpretation of getentropy's return code     in libexpat allowed attackers       to cause a denial of service via hash flooding attacks. (bsc#1275736)
    - CVE-2026-76957: libexpat: Use-after-free vulnerability due to lack of handler call depth tracking with     custom encoding callbacks in       libexpat could lead to memory corruption. (bsc#1275736)
    - CVE-2026-93990: libexpat: Improper handling of lone high surrogates in UTF-16 encoded XML in libexpat     allowed attackers to pass unpaired       surrogates or silently replace input characters. (bsc#1282347)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4834-1 advisory.

    Firefox Extended Support Release 153.5.0 ESR (MFSA 2026-108, bsc#1284493):

    - CVE-2026-109704: Privilege escalation in the Application Update component.
    - CVE-2026-109705: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-     free in the       Networking component.
    - CVE-2026-109706: Use-after-free in the Storage: IndexedDB component.
    - CVE-2026-109707: Sandbox escape due to use-after-free in the Networking component.
    - CVE-2026-109708: Sandbox escape due to incorrect boundary conditions in the Networking component.
    - CVE-2026-109709: Information disclosure, privilege escalation in the Security: Process Sandboxing     component.
    - CVE-2026-109710: Use-after-free in the Graphics: Text component.
    - CVE-2026-109711: Use-after-free in the Graphics: Canvas2D component.
    - CVE-2026-109712: Sandbox escape due to uninitialized memory in the Graphics component.
    - CVE-2026-109713: Use-after-free in the Crash Reporting component.
    - CVE-2026-109715: Incorrect boundary conditions in the JavaScript Engine component.
    - CVE-2026-109716: Incorrect boundary conditions in the JavaScript Engine component.
    - CVE-2026-109717: Use-after-free in the DOM: Bindings (WebIDL) component.
    - CVE-2026-109718: Use-after-free in the XML component.
    - CVE-2026-109719: Race condition, use-after-free in the Graphics: CanvasWebGL component.
    - CVE-2026-109720: JIT miscompilation in the JavaScript: WebAssembly component.
    - CVE-2026-109721: Incorrect boundary conditions in the JavaScript Engine: JIT component.
    - CVE-2026-109722: JIT miscompilation in the JavaScript Engine: JIT component.
    - CVE-2026-109723: Integer overflow in the Layout: Text and Fonts component.
    - CVE-2026-109724: Use-after-free in the DOM: Core & HTML component.
    - CVE-2026-109725: Use-after-free in the DOM: Core & HTML component.
    - CVE-2026-109726: Use-after-free in the SVG component.
    - CVE-2026-109727: Use-after-free in the Audio/Video component.
    - CVE-2026-109728: Use-after-free in the DOM: Animation component.
    - CVE-2026-109729: Use-after-free in the JavaScript Engine: JIT component.
    - CVE-2026-109730: Integer overflow in the Graphics component.
    - CVE-2026-109731: Incorrect boundary conditions in the Graphics: Canvas2D component.
    - CVE-2026-109732: Use-after-free in the DOM: Streams component.
    - CVE-2026-109733: JIT miscompilation in the JavaScript Engine: JIT component.
    - CVE-2026-109734: Mitigation bypass in the DOM: Security component.
    - CVE-2026-109736: Frame poisoning in the Layout component.
    - CVE-2026-109737: Mitigation bypass in the Enterprise Policies component.
    - CVE-2026-109738: Use-after-free in the Audio/Video: Playback component.
    - CVE-2026-109740: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.
    - CVE-2026-109741: Use-after-free in the Storage: Bucket File System component.
    - CVE-2026-109742: Information disclosure in the PDF Viewer component.
    - CVE-2026-109743: Privilege escalation in the Panning and Zooming component.
    - CVE-2026-109744: Other issue in the DOM: File component.
    - CVE-2026-109745: Sandbox escape due to uninitialized memory in the DOM: Web Serial component.
    - CVE-2026-109751: Information disclosure in the Networking component.
    - CVE-2026-109752: Use-after-free in the DOM: Workers component.
    - CVE-2026-109753: Incorrect boundary conditions in the Layout component.
    - CVE-2026-109754: Incorrect boundary conditions in the DOM: Editor component.
    - CVE-2026-109756: Privilege escalation in the DOM: Navigation component.
    - CVE-2026-109757: Sandbox escape due to race condition in the Networking component.
    - CVE-2026-109759: Site isolation issue in the Networking component.
    - CVE-2026-109760: Mitigation bypass in the Networking: HTTP component.
    - CVE-2026-109762: Incorrect boundary conditions in the SVG component.
    - CVE-2026-109763: Mitigation bypass in the File Handling component.
    - CVE-2026-109764: Mitigation bypass in the Enterprise Policies component.
    - CVE-2026-109765: Race condition, use-after-free in the Graphics: Text component.
    - CVE-2026-109766: Mitigation bypass in the Enterprise Policies component.
    - CVE-2026-109767: Information disclosure in the Networking component.
    - CVE-2026-109770: Spoofing issue in the DOM: Web Serial component.
    - CVE-2026-109775: Denial-of-service in the WebRTC component.
    - CVE-2026-109776: Race condition in the XPCOM component.
    - CVE-2026-109777: Information disclosure in the Storage: IndexedDB component.
    - CVE-2026-109778: Privilege escalation in the WebExtensions component.
    - CVE-2026-109781: Denial-of-service in the Printing: Output component.
    - CVE-2026-109782: Mitigation bypass in the File Handling component.
    - CVE-2026-109783: Mitigation bypass in the File Handling component.

    libexpat updated:

    - CVE-2026-32776: libexpat: NULL pointer dereference when processing empty external parameter entities     inside an entity declaration value. (bsc#1259727)
    - CVE-2026-32777: libexpat: denial of service due to infinite loop in DTD content parsing. (bsc#1259712)
    - CVE-2026-32778: libexpat: NULL pointer dereference in `setContext` on retry after an out-of-memory     condition. (bsc#1259730)
    - CVE-2026-41080: libexpat: insufficient entropy, and thus hash flooding can occur via a crafted XML     document. (bsc#1262263)
    - CVE-2026-45186: libexpat: computational complexity of attribute name collision checks allows a denial of     service via moderately sized crafted XML input. (bsc#1264713)
    - CVE-2026-50219: libexpat: Use-after-free vulnerability due to lack of handler call depth tracking in     libexpat could lead to information disclosure, integrity loss, or denial of service. (bsc#1275098)
    - CVE-2026-56131: libexpat: Use-after-free vulnerability due to a lack of handler call depth tracking for     XML_ResumeParser in libexpat could lead to denial of service. (bsc#1275098)
    - CVE-2026-56132: libexpat: Heap buffer overflow in doProlog due to mishandled array reallocation in     libexpat could lead to denial of service or memory corruption. (bsc#1275098)
    - CVE-2026-56403: libexpat: Integer overflow vulnerability in the storeAtts attribute parsing function in     libexpat could lead to memory corruption. (bsc#1275098)
    - CVE-2026-56404: libexpat: Integer overflow vulnerability in the addBinding routine of libexpat could     lead to memory corruption and potential security risks. (bsc#1275098)
    - CVE-2026-56405: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or     denial of service. (bsc#1275098)
    - CVE-2026-56406: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or     denial of service. (bsc#1275098)
    - CVE-2026-56407: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or     denial of service. (bsc#1275098)
    - CVE-2026-56408: libexpat: Integer overflow vulnerability in the copyString function in libexpat could     lead to memory corruption. (bsc#1275098)
    - CVE-2026-56409: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or     denial of service. (bsc#1275098)
    - CVE-2026-56410: libexpat: Integer overflow vulnerability in the xmlwf utility of libexpat could lead to     denial of service. (bsc#1275098)
    - CVE-2026-56411: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or     denial of service. (bsc#1275098)
    - CVE-2026-56412: libexpat: Use-after-free vulnerability due to a lack of handler call depth tracking in     libexpat could lead to denial of service or memory corruption. (bsc#1275098)
    - CVE-2026-66046: libexpat: denial of service vulnerability caused by quadratic algorithmic complexity in     the storeAtts() function in xmlparse.c. (bsc#1275736)
    - CVE-2026-72522: libexpat: Out-of-bounds read and resultant infinite loop in the Unicode processing     functions in libexpat allowed attackers to cause denial of service. (bsc#1275605)
    - CVE-2026-76641: libexpat: Out-of-bounds read vulnerability caused by a struct size mismatch in libexpat     allowed attackers to trigger memory corruption or a crash. (bsc#1275736)
    - CVE-2026-76956: libexpat: Insufficient entropy caused by misinterpretation of getentropy's return code     in libexpat allowed attackers to cause a denial of service via hash flooding attacks. (bsc#1275736)
    - CVE-2026-76957: libexpat: Use-after-free vulnerability due to lack of handler call depth tracking with     custom encoding callbacks in libexpat could lead to memory corruption. (bsc#1275736)
    - CVE-2026-93990: libexpat: Improper handling of lone high surrogates in UTF-16 encoded XML in libexpat     allowed attackers to pass unpaired surrogates or silently replace input characters. (bsc#1282347)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:1196 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2026-93990:
    Expat through 2.8.4 fails to validate low surrogates following high surrogates in UTF-16 input, allowing     malformed UTF-16 sequences to be accepted. Attackers can craft UTF-16 encoded XML with lone high     surrogates that consume following code units, hiding markup characters from the parser and enabling XML     injection attacks.

    CVE-2026-77214:
    libexpat before commit 13c5f63 contains a heap buffer over-read vulnerability in xmlparse.c.
    XML_ParseBuffer advances the parse buffer end with parser->m_bufferEnd += len using a caller-supplied     length that is not validated against the allocated buffer size, so repeated XML_ParseBuffer calls move     m_bufferEnd past the end of the heap allocation and subsequent parsing reads out of bounds. Reaching this     path requires a parse buffer to already be present; otherwise XML_ParseBuffer returns XML_ERROR_NO_BUFFER.
    A buffer is present after a prior call to XML_GetBuffer, either directly (the common case) or indirectly     through a prior XML_Parse call that allocates the buffer internally. The over-read discloses adjacent heap     memory to the calling application, recovering heap pointers, libc function pointers, and code pointers     sufficient to defeat ASLR and build further exploitation primitives.

    CVE-2026-76957:
    libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-     free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the expat packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity     in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized     values triggers an O(N^2) linear scan of elementType-defaultAtts to determine CDATA status. A remote     unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application     parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring     authentication, external entity resolution, or non-default parser options.(CVE-2026-66046)

    Expat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory     corruption by processing XML with external entity parsers created via XML_ExternalEntityParserCreate. A     struct size mismatch between ELEMENT_TYPE members causes storeAtts to read the attIndex member past     allocated memory boundaries, resulting in failure to normalize whitespace in non-CDATA attributes or a     wild pointer dereference causing a segfault. This vulnerability was introduced by the fix for     CVE-2026-66046.(CVE-2026-76641)

    libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are     treated the same as high surrogates during Unicode processing in the *_toUtf16 functions.(CVE-2026-72522)

    libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-     free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and     CVE-2026-56412.(CVE-2026-76957)

Tenable has extracted the preceding description block directly from the EulerOS expat security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
371085	SUSE SLES16: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2026:24260-1)	Nessus	SuSE Local Security Checks	2026/10/23	2026/10/23	high
371091	SUSE SLED15: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2026:4834-1)	Nessus	SuSE Local Security Checks	2026/10/23	2026/10/23	high
372240	TencentOS Server 4: expat (TSSA-2026:1196)	Nessus	Tencent Local Security Checks	2026/10/27	2026/10/27	high
376736	EulerOS 2.0 SP12 : expat (EulerOS-SA-2026-4402)	Nessus	Huawei Local Security Checks	2026/11/6	2026/11/6	high

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