An update of the curl package has been released.

The remote Windows host is missing security update 5044281. It is, therefore, affected by multiple vulnerabilities

  - libcurl's ASN1 parser has this utf8asn1str() function used for parsing an ASN.1 UTF-8 string. Itcan detect     an invalid field and return error. Unfortunately, when doing so it also invokes `free()` on a 4 byte     localstack buffer. Most modern malloc implementations detect this error and immediately abort. Some     however accept the input pointer and add that memory to its list of available chunks. This leads to the     overwriting of nearby stack memory. The content of the overwrite is decided by the `free()`     implementation; likely to be memory pointers and a set of flags. The most likely outcome of exploting this     flaw is a crash, although it cannot be ruled out that more serious results can be had in special     circumstances. (CVE-2024-6197)

  - Remote Desktop Client Remote Code Execution Vulnerability (CVE-2024-43599)

  - An attacker could exploit a use after free vulnerability within the OS SAPI component to execute     arbitrary code in the context of the compromised user to disclose sensitive information, compromise     system integrity or impact the availability of the victim's system. (CVE-2024-43574)

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

The remote Windows host is missing security update 5044285. It is, therefore, affected by multiple vulnerabilities

  - libcurl's ASN1 parser has this utf8asn1str() function used for parsing an ASN.1 UTF-8 string. Itcan detect     an invalid field and return error. Unfortunately, when doing so it also invokes `free()` on a 4 byte     localstack buffer. Most modern malloc implementations detect this error and immediately abort. Some     however accept the input pointer and add that memory to its list of available chunks. This leads to the     overwriting of nearby stack memory. The content of the overwrite is decided by the `free()`     implementation; likely to be memory pointers and a set of flags. The most likely outcome of exploting this     flaw is a crash, although it cannot be ruled out that more serious results can be had in special     circumstances. (CVE-2024-6197)   
  - Remote Desktop Client Remote Code Execution Vulnerability (CVE-2024-43599)

  - An attacker could exploit a use after free vulnerability within the OS SAPI component to execute     arbitrary code in the context of the compromised user to disclose sensitive information, compromise     system integrity or impact the availability of the victim's system. (CVE-2024-43574)

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

According to its self-reported version, the Tenable Security Center running on the remote host is version 6.3.0, 6.4.0, 6.4.5, or 6.5.1. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2025-04 advisory.

  - When curl is asked to use HSTS, the expiry time for a subdomain might overwrite a parent domain's cache     entry, making it end sooner or later than otherwise intended. This affects curl using applications that     enable HSTS and use URLs with the insecure `HTTP://` scheme and perform transfers with hosts like     `x.example.com` as well as `example.com` where the first host is a subdomain of the second host. (The HSTS     cache either needs to have been populated manually or there needs to have been previous HTTPS accesses     done as the cache needs to have entries for the domains involved to trigger this problem.) When     `x.example.com` responds with `Strict-Transport-Security:` headers, this bug can make the subdomain's     expiry timeout *bleed over* and get set for the parent domain `example.com` in curl's HSTS cache. The     result of a triggered bug is that HTTP accesses to `example.com` get converted to HTTPS for a different     period of time than what was asked for by the origin server. If `example.com` for example stops supporting     HTTPS at its expiry time, curl might then fail to access `http://example.com` until the (wrongly set)     timeout expires. This bug can also expire the parent's entry *earlier*, thus making curl inadvertently     switch back to insecure HTTP earlier than otherwise intended. (CVE-2024-9681)

  - Use of the low-level GF(2^m) elliptic curve APIs with untrusted explicit values for the field polynomial     can lead to out-of-bounds memory reads or writes. (CVE-2024-9143)

  - Issue summary: Use of the low-level GF(2^m) elliptic curve APIs with untrusted explicit values for the     field polynomial can lead to out-of-bounds memory reads or writes. Impact summary: Out of bound memory     writes can lead to an application crash or even a possibility of a remote code execution, however, in all     the protocols involving Elliptic Curve Cryptography that we're aware of, either only named curves are     supported, or, if explicit curve parameters are supported, they specify an X9.62 encoding of binary     (GF(2^m)) curves that can't represent problematic input values. Thus the likelihood of existence of a     vulnerable application is low. In particular, the X9.62 encoding is used for ECC keys in X.509     certificates, so problematic inputs cannot occur in the context of processing X.509 certificates. Any     problematic use-cases would have to be using an exotic curve encoding. The affected APIs include:
    EC_GROUP_new_curve_GF2m(), EC_GROUP_new_from_params(), and various supporting BN_GF2m_*() functions.
    Applications working with exotic explicit binary (GF(2^m)) curve parameters, that make it possible to     represent invalid field polynomials with a zero constant term, via the above or similar APIs, may     terminate abruptly as a result of reading or writing outside of array bounds. Remote code execution cannot     easily be ruled out. The FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue.
    (CVE-2024-9143)

  - When asked to both use a `.netrc` file for credentials and to follow HTTP redirects, curl could leak the     password used for the first host to the followed-to host under certain circumstances. This flaw only     manifests itself if the netrc file has an entry that matches the redirect target hostname but the entry     either omits just the password or omits both login and password. (CVE-2024-11053)

  - Issue summary: A timing side-channel which could potentially allow recovering the private key exists in     the ECDSA signature computation. Impact summary: A timing side-channel in ECDSA signature computations     could allow recovering the private key by an attacker. However, measuring the timing would require either     local access to the signing application or a very fast network connection with low latency. There is a     timing signal of around 300 nanoseconds when the top word of the inverted ECDSA nonce value is zero. This     can happen with significant probability only for some of the supported elliptic curves. In particular the     NIST P-521 curve is affected. To be able to measure this leak, the attacker process must either be located     in the same physical computer or must have a very fast network connection with low latency. For that     reason the severity of this vulnerability is Low. The FIPS modules in 3.4, 3.3, 3.2, 3.1 and 3.0 are     affected by this issue. (CVE-2024-13176)

  - libcurl's ASN1 parser has this utf8asn1str() function used for parsing an ASN.1 UTF-8 string. Itcan detect     an invalid field and return error. Unfortunately, when doing so it also invokes `free()` on a 4 byte     localstack buffer. Most modern malloc implementations detect this error and immediately abort. Some     however accept the input pointer and add that memory to its list of available chunks. This leads to the     overwriting of nearby stack memory. The content of the overwrite is decided by the `free()`     implementation; likely to be memory pointers and a set of flags. The most likely outcome of exploting this     flaw is a crash, although it cannot be ruled out that more serious results can be had in special     circumstances. (CVE-2024-6197)

  - libcurl's URL API function [curl_url_get()](https://curl.se/libcurl/c/curl_url_get.html) offers punycode     conversions, to and from IDN. Asking to convert a name that is exactly 256 bytes, libcurl ends up reading     outside of a stack based buffer when built to use the *macidn* IDN backend. The conversion function then     fills up the provided buffer exactly - but does not null terminate the string. This flaw can lead to stack     contents accidently getting returned as part of the converted string. (CVE-2024-6874)

  - libcurl's ASN1 parser code has the `GTime2str()` function, used for parsing an ASN.1 Generalized Time     field. If given an syntactically incorrect field, the parser might end up using -1 for the length of the
    *time fraction*, leading to a `strlen()` getting performed on a pointer to a heap buffer area that is not     (purposely) null terminated. This flaw most likely leads to a crash, but can also lead to heap contents     getting returned to the application when     [CURLINFO_CERTINFO](https://curl.se/libcurl/c/CURLINFO_CERTINFO.html) is used. (CVE-2024-7264)

  - When curl is told to use the Certificate Status Request TLS extension, often referred to as OCSP stapling,     to verify that the server certificate is valid, it might fail to detect some OCSP problems and instead     wrongly consider the response as fine. If the returned status reports another error than 'revoked' (like     for example 'unauthorized') it is not treated as a bad certficate. (CVE-2024-8096)

  - When asked to use a `.netrc` file for credentials **and** to follow HTTP redirects, curl could leak the     password used for the first host to the followed-to host under certain circumstances. This flaw only     manifests itself if the netrc file has a `default` entry that omits both login and password. A rare     circumstance. (CVE-2025-0167)

  - libcurl would wrongly close the same eventfd file descriptor twice when taking down a connection channel     after having completed a threaded name resolve. (CVE-2025-0665)

  - When libcurl is asked to perform automatic gzip decompression of content-encoded HTTP responses with the     `CURLOPT_ACCEPT_ENCODING` option, **using zlib 1.2.0.3 or older**, an attacker-controlled integer overflow     would make libcurl perform a buffer overflow. (CVE-2025-0725)

  - In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before     8.4.5, when http request module parses HTTP response obtained from a server, folded headers are parsed     incorrectly, which may lead to misinterpreting the response and using incorrect headers, MIME types, etc.
    (CVE-2025-1217)

  - In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before     8.4.5, when requesting a HTTP resource using the DOM or SimpleXML extensions, the wrong content-type     header is used to determine the charset when the requested resource performs a redirect. This may cause     the resulting document to be parsed incorrectly or bypass validations. (CVE-2025-1219)

  - In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before     8.4.5, when receiving headers from HTTP server, the headers missing a colon (:) are treated as valid     headers even though they are not. This may confuse applications into accepting invalid headers.
    (CVE-2025-1734)

  - In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before     8.4.5, when user-supplied headers are sent, the insufficient validation of the end-of-line characters may     prevent certain headers from being sent or lead to certain headers be misinterpreted. (CVE-2025-1736)

  - In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before     8.4.5, when parsing HTTP redirect in the response to an HTTP request, there is currently limit on the     location value size caused by limited size of the location buffer to 1024. However as per RFC9110, the     limit is recommended to be 8000. This may lead to incorrect URL truncation and redirecting to a wrong     location. (CVE-2025-1861)

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

The remote Windows host is missing security update 5044273. It is, therefore, affected by multiple vulnerabilities

  - libcurl's ASN1 parser has this utf8asn1str() function used for parsing an ASN.1 UTF-8 string. Itcan detect     an invalid field and return error. Unfortunately, when doing so it also invokes `free()` on a 4 byte     localstack buffer. Most modern malloc implementations detect this error and immediately abort. Some     however accept the input pointer and add that memory to its list of available chunks. This leads to the     overwriting of nearby stack memory. The content of the overwrite is decided by the `free()`     implementation; likely to be memory pointers and a set of flags. The most likely outcome of exploting this     flaw is a crash, although it cannot be ruled out that more serious results can be had in special     circumstances. (CVE-2024-6197)

  - Remote Desktop Client Remote Code Execution Vulnerability (CVE-2024-43599)

  - An attacker could exploit a use after free vulnerability within the OS SAPI component to execute     arbitrary code in the context of the compromised user to disclose sensitive information, compromise     system integrity or impact the availability of the victim's system. (CVE-2024-43574)

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

According to its self-reported version, the Nessus Network Monitor running on the remote host is prior to 6.5.0. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2024-17 advisory.

  - Nessus Network Monitor leverages third-party software to help provide underlying functionality. Several of     the third-party components (OpenSSL, expat, curl, and libxml2)were found to contain vulnerabilities,     and updated versions have been made available by the providers.Out of caution and in line with best     practice, Tenable has opted to upgrade these components to address the potential impact of the issues.
    Nessus Network Monitor 6.5.0 updates OpenSSL to version 3.0.15, expat to version 2.6.3, curl to version     8.10.0, and libxml2 to to version 2.13.1 to address the identified vulnerabilities.Additionally, one     separate vulnerability was discovered, reported and fixed:A stored cross site scripting vulnerability     exists in Nessus Network Monitor where an authenticated, privileged local attacker could inject arbitrary     code into the NNM UI via the local CLI. - CVE-2024-9158 Tenable has released Nessus Network Monitor 6.5.0     to address these issues. The installation files can be obtained from the Tenable Downloads Portal     (https://www.tenable.com/downloads/nessus-network-monitor). (CVE-2024-34459, CVE-2024-45491,     CVE-2024-45492, CVE-2024-6119, CVE-2024-6197, CVE-2024-7264, CVE-2024-8096, CVE-2024-9158)

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

The remote Fedora 40 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-a7976ba89f advisory.

    - fix freeing stack buffer in utf8asn1str (CVE-2024-6197)

Tenable has extracted the preceding description block directly from the Fedora 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 Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-2026_1401 advisory.

    This advisory aggregates security fixes for the curl SRPM in CIQ LTS 9.6. It addresses 148 CVEs:
    CVE-2023-32001, CVE-2022-27775, CVE-2018-1000005, CVE-2022-27774, CVE-2022-32221, and 143 more.

Tenable has extracted the preceding description block directly from the CIQ 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 curl installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-6197 advisory.

  - libcurl's ASN1 parser has this utf8asn1str() function used for parsing an ASN.1 UTF-8 string. Itcan detect     an invalid field and return error. Unfortunately, when doing so it also invokes `free()` on a 4 byte     localstack buffer. Most modern malloc implementations detect this error and immediately abort. Some     however accept the input pointer and add that memory to its list of available chunks. This leads to the     overwriting of nearby stack memory. The content of the overwrite is decided by the `free()`     implementation; likely to be memory pointers and a set of flags. The most likely outcome of exploting this     flaw is a crash, although it cannot be ruled out that more serious results can be had in special     circumstances. (CVE-2024-6197)

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

The remote Windows host is missing security update 5044280. It is, therefore, affected by multiple vulnerabilities

  - libcurl's ASN1 parser has this utf8asn1str() function used for parsing an ASN.1 UTF-8 string. Itcan detect     an invalid field and return error. Unfortunately, when doing so it also invokes `free()` on a 4 byte     localstack buffer. Most modern malloc implementations detect this error and immediately abort. Some     however accept the input pointer and add that memory to its list of available chunks. This leads to the     overwriting of nearby stack memory. The content of the overwrite is decided by the `free()`     implementation; likely to be memory pointers and a set of flags. The most likely outcome of exploting this     flaw is a crash, although it cannot be ruled out that more serious results can be had in special     circumstances. (CVE-2024-6197)

  - Remote Desktop Client Remote Code Execution Vulnerability (CVE-2024-43599)

  - An attacker could exploit a use after free vulnerability within the OS SAPI component to execute     arbitrary code in the context of the compromised user to disclose sensitive information, compromise     system integrity or impact the availability of the victim's system. (CVE-2024-43574)

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
204659	Photon OS 4.0: Curl PHSA-2024-4.0-0658	Nessus	PhotonOS Local Security Checks	2024/7/24	2024/8/27	high
208295	KB5044281: Windows Server 2022 / Azure Stack HCI 22H2 Security Update (October 2024)	Nessus	Windows : Microsoft Bulletins	2024/10/8	2024/11/18	critical
208304	KB5044285: Windows 11 version 22H2 / 23H2 Security Update (October 2024)	Nessus	Windows : Microsoft Bulletins	2024/10/8	2024/11/18	high
234507	Tenable Security Center Multiple Vulnerabilities (TNS-2025-04)	Nessus	Misc.	2025/4/16	2025/4/16	high
208292	KB5044273: Windows 10 version 21H2 / Windows 10 Version 22H2 Security Update (October 2024)	Nessus	Windows : Microsoft Bulletins	2024/10/8	2024/11/18	high
207713	Nessus Network Monitor < 6.5.0 Multiple Vulnerabilities (TNS-2024-17)	Nessus	Misc.	2024/9/25	2025/5/29	critical
204845	Fedora 40 : curl (2024-a7976ba89f)	Nessus	Fedora Local Security Checks	2024/7/30	2024/8/27	high
332606	Photon OS 5.0: Curl PHSA-2024-5.0-91-0328	Nessus	PhotonOS Local Security Checks	2026/8/5	2026/8/5	high
353701	Rocky Linux 9.6 [CIQ] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (ciqsa-2026_1401)	Nessus	Rocky Linux Local Security Checks	2026/10/1	2026/10/13	critical
207263	CBL Mariner 2.0 Security Update: curl (CVE-2024-6197)	Nessus	MarinerOS Local Security Checks	2024/9/14	2025/2/10	high
208296	KB5044280: Windows 11 version 21H2 Security Update (October 2024)	Nessus	Windows : Microsoft Bulletins	2024/10/8	2024/11/18	high

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