Security update for openssl-1_0_0

This update for openssl-100 fixes the following issues: CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo...

SUSE-SU-2026:1291-1 Security update for openssl-1_0_0

This update for openssl-100 fixes the following issues: - CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. - CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientIn...

Security update for openssl-1_1

This update for openssl-11 fixes the following issues: CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo...

SUSE-SU-2026:1290-1 Security update for openssl-1_1

This update for openssl-11 fixes the following issues: - CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. - CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInf...

Amazon Linux 2023 : openssl, openssl-devel, openssl-fips-provider-latest (ALAS2023-2026-1586)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1586 advisory. Potential use-after-free in DANE client code CVE-2026-28387 NULL Pointer Dereference When Processing a Delta CRL NOTE: https://openssl-library.org/news/secadv/20260407.txt CVE-2026-28388...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : OpenSSL vulnerabilities (USN-8155-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8155-1 advisory. Viktor Dukhovni discovered that OpenSSL incorrectly negotiated the expected preferred key exchange group when used as a TLS 1.3 serve...

Important: openssl

Issue Overview: Potential use-after-free in DANE client code CVE-2026-28387 NULL Pointer Dereference When Processing a Delta CRL NOTE: https://openssl-library.org/news/secadv/20260407.txt CVE-2026-28388 Possible NULL dereference when processing CMS KeyAgreeRecipientInfo CVE-2026-28389 Possible NU...

SUSE SLES12: libopenssl-1_1-devel / libopenssl-1_1-devel-32bit / libopenssl1_1 / etc (SUSE-SU-2026:1255-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1255-1 advisory. - CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta C...

SUSE SLES12: libopenssl-1_0_0-devel / libopenssl-1_0_0-devel-32bit / etc (SUSE-SU-2026:1256-1)

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 bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta C...

MGASA-2026-0091 Updated openssl packages fix security vulnerabilities

Incorrect Failure Handling in RSA KEM RSASVE Encapsulation. CVE-2026-31790 Potential Use-after-free in DANE Client Code. CVE-2026-28387 NULL Pointer Dereference When Processing a Delta CRL. CVE-2026-28388 Possible NULL Dereference When Processing CMS KeyAgreeRecipientInfo. CVE-2026-28389 Possible...

Updated openssl packages fix security vulnerabilities

Incorrect Failure Handling in RSA KEM RSASVE Encapsulation. CVE-2026-31790 Potential Use-after-free in DANE Client Code. CVE-2026-28387 NULL Pointer Dereference When Processing a Delta CRL. CVE-2026-28388 Possible NULL Dereference When Processing CMS KeyAgreeRecipientInfo. CVE-2026-28389 Possible...

Security update for openssl-1_1

This update for openssl-11 fixes the following issues: CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo...

SUSE-SU-2026:1257-1 Security update for openssl-1_1

This update for openssl-11 fixes the following issues: - CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. - CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInf...

Security update for openssl-1_0_0

This update for openssl-100 fixes the following issues: CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo...

SUSE-SU-2026:1256-1 Security update for openssl-1_0_0

This update for openssl-100 fixes the following issues: - CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. - CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientIn...

Security update for openssl-1_1

This update for openssl-11 fixes the following issues: CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo...

SUSE-SU-2026:1255-1 Security update for openssl-1_1

This update for openssl-11 fixes the following issues: - CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. - CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInf...

CVE-2026-28388

A flaw was found in OpenSSL. When processing a malformed delta Certificate Revocation List CRL that lacks a required CRL Number extension, a NULL pointer dereference can occur. This vulnerability can be exploited by a remote attacker who provides a specially crafted delta CRL to an application th...

USN-8155-2: OpenSSL vulnerabilities

USN-8155-1 fixed vulnerabilities in OpenSSL. This update provides the corresponding updates for CVE-2026-28387 for openssl in Ubuntu 20.04 LTS. CVE-2026-28388 for openssl and openssl1.0 in Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS, and CVE-2026-28389 and...

USN-8155-2 openssl, openssl1.0 vulnerabilities

USN-8155-1 fixed vulnerabilities in OpenSSL. This update provides the corresponding updates for CVE-2026-28387 for openssl in Ubuntu 20.04 LTS. CVE-2026-28388 for openssl and openssl1.0 in Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS, and CVE-2026-28389 and...