What is RHSA-2026:81540?

RHSA-2026:81540 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Which CVE IDs does RHSA-2026:81540 cover?

RHSA-2026:81540 covers the following CVE IDs: CVE-2026-49263, CVE-2026-49282. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:81540?

RHSA-2026:81540 has a CVSS v3 base score of 6.8, published by Red Hat Product Security.

Which products are affected by RHSA-2026:81540?

RHSA-2026:81540 affects 17 products, including: Red Hat Hardened Images; capstone-0:5.0.8-0.5.hum1@aarch64 as a component of Red Hat Hardened Images; capstone-0:5.0.8-0.5.hum1@s390x as a component of Red Hat Hardened Images; capstone-0:5.0.8-0.5.hum1@src as a component of Red Hat Hardened Images; capstone-0:5.0.8-0.5.hum1@x86_64 as a component of Red Hat Hardened Images; and others — see the full list on the advisory page.

RHSA-2026:81540MediumCVSS 6.8

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Vendor

Red Hat Product Security

Published

October 12, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (2)

CVE-2026-49263 →CVE-2026-49282 →

📋 Description

CVE-2026-49263 — capstone: Capstone: Denial of Service and parser desynchronization via WebAssembly br_table instruction-size truncation CVE-2026-49282 — capstone: Capstone: Denial of service via out-of-bounds read in M68K and RISCV backends

🎯 Affected products17

Red Hat Hardened Images
capstone-0:5.0.8-0.5.hum1@aarch64 as a component of Red Hat Hardened Images
capstone-0:5.0.8-0.5.hum1@s390x as a component of Red Hat Hardened Images
capstone-0:5.0.8-0.5.hum1@src as a component of Red Hat Hardened Images
capstone-0:5.0.8-0.5.hum1@x86_64 as a component of Red Hat Hardened Images
capstone-devel-0:5.0.8-0.5.hum1@aarch64 as a component of Red Hat Hardened Images
capstone-devel-0:5.0.8-0.5.hum1@s390x as a component of Red Hat Hardened Images
capstone-devel-0:5.0.8-0.5.hum1@x86_64 as a component of Red Hat Hardened Images
capstone-java-0:5.0.8-0.5.hum1@noarch@public-hummingbird-aarch64-rpms as a component of Red Hat Hardened Images
capstone-java-0:5.0.8-0.5.hum1@noarch@public-hummingbird-s390x-rpms as a component of Red Hat Hardened Images
capstone-java-0:5.0.8-0.5.hum1@noarch@public-hummingbird-x86_64-rpms as a component of Red Hat Hardened Images
capstone-static-0:5.0.8-0.5.hum1@aarch64 as a component of Red Hat Hardened Images
capstone-static-0:5.0.8-0.5.hum1@s390x as a component of Red Hat Hardened Images
capstone-static-0:5.0.8-0.5.hum1@x86_64 as a component of Red Hat Hardened Images
python3-capstone-0:5.0.8-0.5.hum1@noarch@public-hummingbird-aarch64-rpms as a component of Red Hat Hardened Images
python3-capstone-0:5.0.8-0.5.hum1@noarch@public-hummingbird-s390x-rpms as a component of Red Hat Hardened Images
python3-capstone-0:5.0.8-0.5.hum1@noarch@public-hummingbird-x86_64-rpms as a component of Red Hat Hardened Images

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/

🔗 CVE IDs covered (2)

📋 Description

🎯 Affected products17

✅ Remediation

🔗 References (6)