RHSA-2026:1496 - Security Advisory

Topic

An update for openssl is now available for Red Hat Enterprise Linux 10.0 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.

Security Fix(es):

• openssl: OpenSSL: Arbitrary code execution or denial of service through crafted PKCS#12 file (CVE-2025-11187)
• openssl: OpenSSL: Remote code execution or Denial of Service via oversized Initialization Vector in CMS parsing (CVE-2025-15467)
• openssl: OpenSSL: Arbitrary code execution due to out-of-bounds write in PKCS#12 processing (CVE-2025-69419)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x
• Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le
• Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64

Fixes

• BZ - 2430375 - CVE-2025-11187 openssl: OpenSSL: Arbitrary code execution or denial of service through crafted PKCS#12 file
• BZ - 2430376 - CVE-2025-15467 openssl: OpenSSL: Remote code execution or Denial of Service via oversized Initialization Vector in CMS parsing
• BZ - 2430386 - CVE-2025-69419 openssl: OpenSSL: Arbitrary code execution due to out-of-bounds write in PKCS#12 processing

CVEs

• CVE-2025-11187
• CVE-2025-15467
• CVE-2025-69419

References

• https://access.redhat.com/security/updates/classification/#important