The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0619 advisory.

    Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:

    CVE-2026-45447:
    Issue summary: A specially crafted PKCS#7 or S/MIME signed message could     trigger a use-after-free during PKCS#7 signature verification.

    Impact summary: A use-after-free may result in process crashes, heap     corruption, or potentially remote code execution.

    When processing a PKCS#7 or S/MIME signed message, if the SignedData     digestAlgorithms field is present as an empty ASN.1 SET, OpenSSL may     incorrectly free a caller-owned BIO during PKCS7_verify(). A subsequent     use of the BIO by the calling application results in a use-after-free     condition.

    In the common case this occurs when the application later calls     BIO_free() on the BIO originally passed to PKCS7_verify(). Depending     on allocator behavior and application-specific BIO usage patterns, this     may result in a crash or other memory corruption. In some application     contexts this may potentially be exploitable for remote code execution.

    Applications that process PKCS#7 or S/MIME signed messages using OpenSSL     PKCS#7 APIs may be affected. Applications using the CMS APIs for this     processing are not affected.

    The FIPS modules in 4.0, 3.6, 3.5, 3.4, and 3.0 are not affected by this     issue, as the affected code is outside the OpenSSL FIPS module boundary.

Tenable has extracted the preceding description block directly from the Tencent 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 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-2026:0503 advisory.

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

    CVE-2026-45447:
    Issue summary: A specially crafted PKCS#7 or S/MIME signed message could     trigger a use-after-free during PKCS#7 signature verification.

    Impact summary: A use-after-free may result in process crashes, heap     corruption, or potentially remote code execution.

    When processing a PKCS#7 or S/MIME signed message, if the SignedData     digestAlgorithms field is present as an empty ASN.1 SET, OpenSSL may     incorrectly free a caller-owned BIO during PKCS7_verify(). A subsequent     use of the BIO by the calling application results in a use-after-free     condition.

    In the common case this occurs when the application later calls     BIO_free() on the BIO originally passed to PKCS7_verify(). Depending     on allocator behavior and application-specific BIO usage patterns, this     may result in a crash or other memory corruption. In some application     contexts this may potentially be exploitable for remote code execution.

    Applications that process PKCS#7 or S/MIME signed messages using OpenSSL     PKCS#7 APIs may be affected. Applications using the CMS APIs for this     processing are not affected.

    The FIPS modules in 4.0, 3.6, 3.5, 3.4, and 3.0 are not affected by this     issue, as the affected code is outside the OpenSSL FIPS module boundary.

    CVE-2026-34182:
    Issue Summary: Cryptographic Message Services (CMS) processing fails to perform     sufficient input validation on the cipher and tag length fields of     AuthEnvelopedData containers, leading to various potential compromises.

    Impact Summary: Attackers making use of these vulnerabilities may achieve     key-equivalent functionality for a given CMS recipient and/or bypass integrity     validation for a given message.

    In one use case, an attacker may send a CMS message containing     AuthEnvelopedData with the cipher specified as a non-AEAD cipher.  OpenSSL     erroneously allows this selection, and attempts to decrypt and validate the     message.

    An on-path attacker who captures one legitimate AES-GCM AuthEnvelopedData     addressed to the victim can re-emit it with the recipientInfos set left     byte-for-byte intact, so the victim's private key still unwraps the genuine CEK     (the content-encryption key), but with the inner OID rewritten to AES-256-OFB     (Output Feedback Mode, an unauthenticated keystream mode) and with an     attacker-chosen IV and ciphertext. The victim initializes AES-256-OFB under the     real CEK, never consults the MAC field, and CMS_decrypt() returns success.

    If the application under attack responds to the attacker with any indicator     showing success or failure of the decryption effort, it is possible for the     attacker to use this as an oracle to obtain key equivalent functionality for the     CEK used for the chosen recipient of the message.

    In another use case, an attacker can reduce the tag length of the chosen AEAD     cipher for a given AuthEnvelopedData container to be a single byte long,     allowing an attacker to brute force CMS decryption, producing an integrity     bypass for applications that trust CMS_decrypt() to reject modified content.

    The FIPS modules are not affected by this issue.

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.

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0499 advisory.

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

    CVE-2026-45447:
    Issue summary: A specially crafted PKCS#7 or S/MIME signed message could     trigger a use-after-free during PKCS#7 signature verification.

    Impact summary: A use-after-free may result in process crashes, heap     corruption, or potentially remote code execution.

    When processing a PKCS#7 or S/MIME signed message, if the SignedData     digestAlgorithms field is present as an empty ASN.1 SET, OpenSSL may     incorrectly free a caller-owned BIO during PKCS7_verify(). A subsequent     use of the BIO by the calling application results in a use-after-free     condition.

    In the common case this occurs when the application later calls     BIO_free() on the BIO originally passed to PKCS7_verify(). Depending     on allocator behavior and application-specific BIO usage patterns, this     may result in a crash or other memory corruption. In some application     contexts this may potentially be exploitable for remote code execution.

    Applications that process PKCS#7 or S/MIME signed messages using OpenSSL     PKCS#7 APIs may be affected. Applications using the CMS APIs for this     processing are not affected.

    The FIPS modules in 4.0, 3.6, 3.5, 3.4, and 3.0 are not affected by this     issue, as the affected code is outside the OpenSSL FIPS module boundary.

Tenable has extracted the preceding description block directly from the Tencent 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 AlmaLinux 8 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2026:36215 advisory.

    * openssl: Heap Use-After-Free in OpenSSL PKCS7_verify() (CVE-2026-45447)

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.

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2396-1 advisory.

    This update for openssl-1_0_0 fixes the following issues

    - CVE-2026-7383: Possible Heap Buffer Overflow in ASN.1 Multibyte String Conversion (bsc#1266340).
    - CVE-2026-9076: Out-of-Bounds Read in CMS Password-Based Decryption (bsc#1266341).
    - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL (bsc#1260442).
    - CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo (bsc#1260443).
    - CVE-2026-34180: Heap Buffer Over-read in ASN.1 Content Parsing (bsc#1266342).
    - CVE-2026-42766: Possible NULL Dereference in Password-Based CMS Decryption (bsc#1266349).
    - CVE-2026-45447: Heap Use-After-Free in OpenSSL PKCS7_verify() (bsc#1266357).
    - NULL pointer dereference when processing an OCSP response (bsc#1260446).

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 SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2411-1 advisory.

    - CVE-2025-11187: Improper validation of PBMAC1 parameters in PKCS#12 MAC verification (bsc#1256878).
    - CVE-2025-15467: Stack buffer overflow in CMS AuthEnvelopedData parsing (bsc#1256876).
    - CVE-2025-15468: NULL dereference in SSL_CIPHER_find() function on unknown cipher ID (bsc#1256880).
    - CVE-2026-45447: Heap Use-After-Free in OpenSSL PKCS7_verify() (bsc#1266389, bsc#1266357).

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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
328391	TencentOS Server 3: compat-openssl10 (TSSA-2026:0619)	Nessus	Tencent Local Security Checks	2026/7/20	2026/7/20	high
325856	TencentOS Server 4: openssl (TSSA-2026:0503)	Nessus	Tencent Local Security Checks	2026/7/9	2026/7/9	critical
325857	TencentOS Server 4: shim (TSSA-2026:0499)	Nessus	Tencent Local Security Checks	2026/7/9	2026/7/9	high
325757	AlmaLinux 8 : compat-openssl10 (ALSA-2026:36215)	Nessus	Alma Linux Local Security Checks	2026/7/9	2026/7/9	high
321598	SUSE SLES12 Security Update : openssl-1_0_0 (SUSE-SU-2026:2396-1)	Nessus	SuSE Local Security Checks	2026/6/20	2026/6/20	high
321582	SUSE SLES15 Security Update : openssl-3-livepatches (SUSE-SU-2026:2411-1)	Nessus	SuSE Local Security Checks	2026/6/20	2026/7/3	critical

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