RHSA-2026:5124 - Security Advisory

Topic

An update for capstone is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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

Capstone is a disassembly framework with the target of becoming the ultimate disasm engine for binary analysis and reversing in the security community.

Security Fix(es):

• capstone: Capstone: Memory corruption via unchecked vsnprintf return (CVE-2025-68114)
• capstone: Capstone: Heap buffer overflow via skipdata callback allows denial of service or arbitrary code execution. (CVE-2025-67873)

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 9.6 x86_64
• Red Hat Enterprise Linux Server - AUS 9.6 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x

Fixes

• BZ - 2423416 - CVE-2025-68114 capstone: Capstone: Memory corruption via unchecked vsnprintf return
• BZ - 2423419 - CVE-2025-67873 capstone: Capstone: Heap buffer overflow via skipdata callback allows denial of service or arbitrary code execution.

CVEs

• CVE-2025-67873
• CVE-2025-68114

References

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