Important: edk2

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 SLES15 Security Update : openssl-1_1 (SUSE-SU-2026:1577-1)

The remote SUSE Linux SLES15 / SLESSAP15 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 bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processi...

SUSE SLED15 / SLES15 Security Update : openssl-3 (SUSE-SU-2026:1375-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 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 bsc1260441. -...

SUSE-SU-2026:21107-1 Security update for openssl-3

This update for openssl-3 fixes the following issues: Security issues fixed: - CVE-2026-2673: TLS 1.3 servers may choose unexpected key agreement group bsc1259652. - CVE-2026-28387: potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL pointer dereference when processing...

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...

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...

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...

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...

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...

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...

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...

Potential Use-after-free in DANE Client Code

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Security update for openssl-3

This update for openssl-3 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...

USN-8155-1: OpenSSL vulnerabilities

Viktor Dukhovni discovered that OpenSSL incorrectly negotiated the expected preferred key exchange group when used as a TLS 1.3 server. This could result in a less preferred key exchange being used, contrary to expectations. This issue only affected Ubuntu 25.10. CVE-2026-2673 Igor Morgenstern...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free in the DANE client authentication process. An attacker can cause memory corruption, application crashes, or potentially execute arbitrary code by manipulating TLSA records with both PKIX-TA/PKIX-EE and DANE-TA certificate...

CVE-2026-28387

Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of potential consequenc...