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

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In     versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building     filter option strings from job attribute. At time of publication, there are no publicly available     patches.(CVE-2026-34979)

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In     versions 2.4.16 and prior, a local unprivileged user can coerce cupsd into authenticating to an attacker-     controlled localhost IPP service with a reusable Authorization: Local ... token. That token is enough to     drive /admin/ requests on localhost, and the attacker can combine CUPS-Create-Local-Printer with printer-     is-shared=true to persist a file:///... queue even though the normal FileDevice policy rejects such URIs.
    Printing to that queue gives an arbitrary root file overwrite; the PoC below uses that primitive to drop a     sudoers fragment and demonstrate root command execution. At time of publication, there are no publicly     available patches.(CVE-2026-34990)

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In     versions 2.4.16 and prior, the RSS notifier allows .. path traversal in notify-recipient-uri (e.g.,     rss:///../job.cache), letting a remote IPP client write RSS XML bytes outside CacheDir/rss (anywhere that     is lp-writable). In particular, because CacheDir is group-writable by default (typically root:lp and mode     0770), the notifier (running as lp) can replace root-managed state files via temp-file + rename(). This     PoC clobbers CacheDir/job.cache with RSS XML, and after restarting cupsd the scheduler fails to parse the     job cache and previously queued jobs disappear. At time of publication, there are no publicly available     patches.(CVE-2026-34978)

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In     versions 2.4.16 and prior, a use-after-free vulnerability exists in the CUPS scheduler (cupsd) when     temporary printers are automatically deleted. cupsdDeleteTemporaryPrinters() in scheduler/printers.c calls     cupsdDeletePrinter() without first expiring subscriptions that reference the printer, leaving     cupsd_subscription_t.dest as a dangling pointer to freed heap memory. The dangling pointer is subsequently     dereferenced at multiple code sites, causing a crash (denial of service) of the cupsd daemon. With heap     grooming, this can be leveraged for code execution.(CVE-2026-39316)

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In     versions 2.4.16 and prior, in a network-exposed cupsd with a shared target queue, an unauthorized client     can send a Print-Job to that shared PostScript queue without authentication. The server accepts a page-     border value supplied as textWithoutLanguage, preserves an embedded newline through option escaping and     reparse, and then reparses the resulting second-line PPD: text as a trusted scheduler control record. A     follow-up raw print job can therefore make the server execute an attacker-chosen existing binary such as     /usr/bin/vim as lp. At time of publication, there are no publicly available patches.(CVE-2026-34980)

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In     versions 2.4.16 and prior, an integer underflow vulnerability in _ppdCreateFromIPP() (cups/ppd-cache.c)     allows any unprivileged local user to crash the cupsd root process by supplying a negative job-password-     supported IPP attribute. The bounds check only caps the upper bound, so a negative value passes     validation, is cast to size_t (wrapping to ~2^64), and is used as the length argument to memset() on a     33-byte stack buffer. This causes an immediate SIGSEGV in the cupsd root process. Combined with systemd's     Restart=on-failure, an attacker can repeat the crash for sustained denial of service.(CVE-2026-39314)

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In     versions 2.4.16 and prior, CUPS daemon (cupsd) contains an authorization bypass vulnerability due to case-     insensitive username comparison during authorization checks. The vulnerability allows an unprivileged user     to gain unauthorized access to restricted operations by using a user with a username that differs only in     case from an authorized user. At time of publication, there are no publicly available     patches.(CVE-2026-27447)

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior     to 2.4.17, a network-adjacent attacker can send a crafted SNMP response to the CUPS SNMP backend that     causes an out-of-bounds read of up to 176 bytes past a stack buffer. The leaked memory is converted from     UTF-16 to UTF-8 and stored as printer supply description strings, which are subsequently visible to     authenticated users via IPP Get-Printer-Attributes responses and the CUPS web interface. This     vulnerability is fixed in 2.4.17.(CVE-2026-41079)

Tenable has extracted the preceding description block directly from the EulerOS cups 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 cups packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In     versions 2.4.16 and prior, in a network-exposed cupsd with a shared target queue, an unauthorized client     can send a Print-Job to that shared PostScript queue without authentication. The server accepts a page-     border value supplied as textWithoutLanguage, preserves an embedded newline through option escaping and     reparse, and then reparses the resulting second-line PPD: text as a trusted scheduler control record. A     follow-up raw print job can therefore make the server execute an attacker-chosen existing binary such as     /usr/bin/vim as lp. At time of publication, there are no publicly available patches.(CVE-2026-34980)

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In     versions 2.4.16 and prior, a local unprivileged user can coerce cupsd into authenticating to an attacker-     controlled localhost IPP service with a reusable Authorization: Local ... token. That token is enough to     drive /admin/ requests on localhost, and the attacker can combine CUPS-Create-Local-Printer with printer-     is-shared=true to persist a file:///... queue even though the normal FileDevice policy rejects such URIs.
    Printing to that queue gives an arbitrary root file overwrite; the PoC below uses that primitive to drop a     sudoers fragment and demonstrate root command execution. At time of publication, there are no publicly     available patches.(CVE-2026-34990)

Tenable has extracted the preceding description block directly from the EulerOS cups 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 AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:39302 advisory.

    * cups: OpenPrinting CUPS: Shared PostScript queue lets anonymous Print-Job requests reach `lp` code     execution over the network (CVE-2026-34980)

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

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

According to the versions of the cups package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In     versions 2.4.16 and prior, in a network-exposed cupsd with a shared target queue, an unauthorized client     can send a Print-Job to that shared PostScript queue without authentication. The server accepts a page-     border value supplied as textWithoutLanguage, preserves an embedded newline through option escaping and     reparse, and then reparses the resulting second-line PPD: text as a trusted scheduler control record. A     follow-up raw print job can therefore make the server execute an attacker-chosen existing binary such as     /usr/bin/vim as lp. At time of publication, there are no publicly available patches.(CVE-2026-34980)

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In     versions 2.4.16 and prior, a local unprivileged user can coerce cupsd into authenticating to an attacker-     controlled localhost IPP service with a reusable Authorization: Local ... token. That token is enough to     drive /admin/ requests on localhost, and the attacker can combine CUPS-Create-Local-Printer with printer-     is-shared=true to persist a file:///... queue even though the normal FileDevice policy rejects such URIs.
    Printing to that queue gives an arbitrary root file overwrite; the PoC below uses that primitive to drop a     sudoers fragment and demonstrate root command execution. At time of publication, there are no publicly     available patches.(CVE-2026-34990)

Tenable has extracted the preceding description block directly from the EulerOS Virtualization cups 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 Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-39302 advisory.

    [1:2.4.10-18]
    - RHEL-177945 CVE-2026-34980 cups: control character injection in option values

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

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

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1504:10 advisory.

    * cups: OpenPrinting CUPS: Shared PostScript queue lets anonymous Print-Job requests reach `lp` code     execution over the network (CVE-2026-34980)

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

Note that Nessus has not tested for this issue 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
326172	EulerOS 2.0 SP12 : cups (EulerOS-SA-2026-2582)	Nessus	Huawei Local Security Checks	2026/7/10	2026/7/13	medium
326220	EulerOS 2.0 SP12 : cups (EulerOS-SA-2026-2522)	Nessus	Huawei Local Security Checks	2026/7/10	2026/7/13	medium
326615	EulerOS 2.0 SP10 : cups (EulerOS-SA-2026-2643)	Nessus	Huawei Local Security Checks	2026/7/14	2026/7/15	medium
326641	EulerOS 2.0 SP10 : cups (EulerOS-SA-2026-2683)	Nessus	Huawei Local Security Checks	2026/7/14	2026/7/15	medium
327093	AlmaLinux 10 : cups (ALSA-2026:39302)	Nessus	Alma Linux Local Security Checks	2026/7/15	2026/7/17	medium
328549	EulerOS Virtualization 2.10.1 : cups (EulerOS-SA-2026-2815)	Nessus	Huawei Local Security Checks	2026/7/21	2026/7/22	medium
328558	EulerOS Virtualization 2.10.0 : cups (EulerOS-SA-2026-2846)	Nessus	Huawei Local Security Checks	2026/7/21	2026/7/22	medium
328741	Oracle Linux 10 : cups (ELSA-2026-39302)	Nessus	Oracle Linux Local Security Checks	2026/7/21	2026/7/22	medium
333610	MiracleLinux 9 : cups-2.3.3op2-39.el9_8 (AXSA:2026-1504:10)	Nessus	Miracle Linux Local Security Checks	2026/8/10	2026/8/11	medium

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