The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the c7a52cee-32ab-11f1-9839-8447094a420f advisory.

    The OpenSSL project reports:
    Seven vulnerabilities in OpenSSL library. Highest classification Moderate.

Tenable has extracted the preceding description block directly from the FreeBSD 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 SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1256-1 advisory.

    - CVE-2026-28387: Potential use-after-free in DANE client code (bsc#1260441).
    - 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-2026-31789: Heap buffer overflow in hexadecimal conversion (bsc#1260444).
    - CVE-2026-31790: Incorrect failure handling in RSA KEM RSASVE encapsulation (bsc#1260445).

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.

An update of the openssl package has been released.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1257-1 advisory.

    - CVE-2026-28387: Potential use-after-free in DANE client code (bsc#1260441).
    - 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-2026-31789: Heap buffer overflow in hexadecimal conversion (bsc#1260444).
    - CVE-2026-31790: Incorrect failure handling in RSA KEM RSASVE encapsulation (bsc#1260445).

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 Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6201 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6201-1                   security@debian.org     https://www.debian.org/security/                     Salvatore Bonaccorso     April 07, 2026                        https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : openssl     CVE ID         : CVE-2026-2673 CVE-2026-28387 CVE-2026-28388 CVE-2026-28389                      CVE-2026-28390 CVE-2026-31789 CVE-2026-31790     Debian Bug     : 1130650

    Multiple vulnerabilities have been discovered in OpenSSL, a Secure     Sockets Layer toolkit, which may result in denial of service,     information leaks, or potentially remote code execution.

    Additional details can be found in the upstream advisory:
    https://openssl-library.org/news/secadv/20260407.txt

    For the oldstable distribution (bookworm), these problems have been fixed     in version 3.0.19-1~deb12u2.

    For the stable distribution (trixie), these problems have been fixed in     version 3.5.5-1~deb13u2.

    We recommend that you upgrade your openssl packages.

    For the detailed security status of openssl please refer to its security     tracker page at:
    https://security-tracker.debian.org/tracker/openssl

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian 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 OpenSSL installed on the remote host is prior to 3.3.7. It is, therefore, affected by multiple vulnerabilities as referenced in the 3.3.7 advisory.

  - Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap     buffer overflow on 32 bit platforms.  Impact summary: A heap buffer overflow may lead to a crash or     possibly an attacker controlled code execution or other undefined behavior.  If an attacker can supply a     crafted X.509 certificate with an excessively large OCTET STRING value in extensions such as the Subject     Key Identifier (SKID) or Authority Key Identifier (AKID) which are being converted to hex, the size of the     buffer needed for the result is calculated as multiplication of the input length by 3. On 32 bit     platforms, this multiplication may overflow resulting in the allocation of a smaller buffer and a heap     buffer overflow.  Applications and services that print or log contents of untrusted X.509 certificates are     vulnerable to this issue. As the certificates would have to have sizes of over 1 Gigabyte, printing or     logging such certificates is a fairly unlikely operation and only 32 bit platforms are affected, this     issue was assigned Low severity.  The FIPS modules in 3.6, 3.5, 3.4, 3.3 and 3.0 are not affected by this     issue, as the affected code is outside the OpenSSL FIPS module boundary. Fixed in OpenSSL 3.0.20 (Affected     since 3.0.0). (CVE-2026-31789)

  - Issue summary: Applications using RSASVE key encapsulation to establish a secret encryption key can send     contents of an uninitialized memory buffer to a malicious peer.  Impact summary: The uninitialized buffer     might contain sensitive data from the previous execution of the application process which leads to     sensitive data leakage to an attacker.  RSA_public_encrypt() returns the number of bytes written on     success and -1 on error. The affected code tests only whether the return value is non-zero. As a result,     if RSA encryption fails, encapsulation can still return success to the caller, set the output lengths, and     leave the caller to use the contents of the ciphertext buffer as if a valid KEM ciphertext had been     produced.  If applications use EVP_PKEY_encapsulate() with RSA/RSASVE on an attacker-supplied invalid RSA     public key without first validating that key, then this may cause stale or uninitialized contents of the     caller-provided ciphertext buffer to be disclosed to the attacker in place of the KEM ciphertext.  As a     workaround calling EVP_PKEY_public_check() or EVP_PKEY_public_check_quick() before EVP_PKEY_encapsulate()     will mitigate the issue.  The FIPS modules in 3.6, 3.5, 3.4, 3.3, 3.1 and 3.0 are affected by this issue.
    Fixed in OpenSSL 3.0.20 (Affected since 3.0.0). (CVE-2026-31790)

  - Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a     NULL pointer dereference can happen.  Impact summary: Applications that process attacker-controlled CMS     data may crash before authentication or cryptographic operations occur resulting in Denial of Service.
    When a CMS EnvelopedData message that uses KeyTransportRecipientInfo with RSA-OAEP encryption is     processed, the optional parameters field of RSA-OAEP SourceFunc algorithm identifier is examined without     checking for its presence. This results in a NULL pointer dereference if the field is missing.
    Applications and services that call CMS_decrypt() on untrusted input (e.g., S/MIME processing or CMS-based     protocols) are vulnerable.  The FIPS modules in 3.6, 3.5, 3.4, 3.3 and 3.0 are not affected by this issue,     as the affected code is outside the OpenSSL FIPS module boundary. Fixed in OpenSSL 1.1.1zg (Affected since     1.1.1). (CVE-2026-28390)

  - Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL     pointer dereference can happen.  Impact summary: Applications that process attacker-controlled CMS data     may crash before authentication or cryptographic operations occur resulting in Denial of Service.  When a     CMS EnvelopedData message that uses KeyAgreeRecipientInfo is processed, the optional parameters field of     KeyEncryptionAlgorithmIdentifier is examined without checking for its presence. This results in a NULL     pointer dereference if the field is missing.  Applications and services that call CMS_decrypt() on     untrusted input (e.g., S/MIME processing or CMS-based protocols) are vulnerable.  The FIPS modules in 3.6,     3.5, 3.4, 3.3 and 3.0 are not affected by this issue, as the affected code is outside the OpenSSL FIPS     module boundary. Fixed in OpenSSL 1.1.1zg (Affected since 1.1.1). (CVE-2026-28389)

  - Issue summary: When a delta CRL that contains a Delta CRL Indicator extension is processed a NULL pointer     dereference might happen if the required CRL Number extension is missing.  Impact summary: A NULL pointer     dereference can trigger a crash which leads to a Denial of Service for an application.  When CRL     processing and delta CRL processing is enabled during X.509 certificate verification, the delta CRL     processing does not check whether the CRL Number extension is NULL before dereferencing it. When a     malformed delta CRL file is being processed, this parameter can be NULL, causing a NULL pointer     dereference.  Exploiting this issue requires the X509_V_FLAG_USE_DELTAS flag to be enabled in the     verification context, the certificate being verified to contain a freshestCRL extension or the base CRL to     have the EXFLAG_FRESHEST flag set, and an attacker to provide a malformed CRL to an application that     processes it.  The vulnerability is limited to Denial of Service and cannot be escalated to achieve code     execution or memory disclosure. For that reason the issue was assessed as Low severity according to our     Security Policy.  The FIPS modules in 3.6, 3.5, 3.4, 3.3 and 3.0 are not affected by this issue, as the     affected code is outside the OpenSSL FIPS module boundary. Fixed in OpenSSL 1.1.1zg (Affected since     1.1.1). (CVE-2026-28388)

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-2026:1375-1 advisory.

    Security issues fixed:

    - CVE-2026-28387: Potential use-after-free in DANE client code (bsc#1260441).
    - 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-2026-31789: Heap buffer overflow in hexadecimal conversion (bsc#1260444).
    - CVE-2026-31790: Incorrect failure handling in RSA KEM RSASVE encapsulation (bsc#1260445).
    - CVE-2026-28390: NULL pointer dereference during processing of a crafted CMS EnvelopedData message with       KeyTransportRecipientInfo (bsc#1261678).

    Other updates and bugfixes:

    - Enable MD2 in legacy provider (jsc#PED-15724).

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 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1577-1 advisory.

    - CVE-2026-28387: Potential use-after-free in DANE client code (bsc#1260441).
    - 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-2026-28390: NULL pointer dereference during processing of a crafted CMS EnvelopedData message with       KeyTransportRecipientInfo (bsc#1261678).
    - CVE-2026-31789: Heap buffer overflow in hexadecimal conversion (bsc#1260444).

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
305290	FreeBSD : OpenSSL -- Multiple vulnerabilities (c7a52cee-32ab-11f1-9839-8447094a420f)	Nessus	FreeBSD Local Security Checks	2026/4/8	2026/4/27	high
306003	SUSE SLES12 Security Update : openssl-1_0_0 (SUSE-SU-2026:1256-1)	Nessus	SuSE Local Security Checks	2026/4/11	2026/4/27	critical
306004	Photon OS 5.0: Openssl PHSA-2026-5.0-0810	Nessus	PhotonOS Local Security Checks	2026/4/11	2026/4/27	critical
306012	SUSE SLES15 Security Update : openssl-1_1 (SUSE-SU-2026:1257-1)	Nessus	SuSE Local Security Checks	2026/4/11	2026/4/27	critical
307675	Debian dsa-6201 : libcrypto3-udeb - security update	Nessus	Debian Local Security Checks	2026/4/21	2026/4/27	critical
305200	OpenSSL 3.3.0 < 3.3.7 Multiple Vulnerabilities	Nessus	Web Servers	2026/4/7	2026/4/27	critical
306876	SUSE SLED15 / SLES15 Security Update : openssl-3 (SUSE-SU-2026:1375-1)	Nessus	SuSE Local Security Checks	2026/4/17	2026/4/27	critical
310064	SUSE SLES15 Security Update : openssl-1_1 (SUSE-SU-2026:1577-1)	Nessus	SuSE Local Security Checks	2026/4/24	2026/4/24	critical

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