Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
A heap buffer overflow vulnerability (CVE-2026-15767) was found in the libyuv component used in Red Hat Hardened Images RPMs. This flaw can lead to memory corruption, potentially allowing an attacker to execute unauthorized code or cause a denial of service by crashing the affected product. Red Hat has issued a security advisory and updated RPM packages to address this issue. The vulnerability is rated as high severity by Red Hat Product Security based on the Google Chrome Security Advisory. No explicit patch version is provided in the advisory, but updated RPMs are available.
AI Analysis
Technical Summary
CVE-2026-15767 is a heap buffer overflow vulnerability in the libyuv component of the Chromium browser, which is included in Red Hat Hardened Images RPMs. The flaw involves out-of-bounds write operations (CWE-787) that can corrupt memory, potentially allowing attackers to modify control data such as return addresses, leading to execution of arbitrary code or denial of service conditions. Red Hat has released updated libyuv RPM packages (version 0-0.63.20260714gitafff0cf.1.hum1) for architectures aarch64 and x86_64 to address this vulnerability. The advisory references upstream Chromium bug reports and rates the severity as high with a CVSS v3 base score of 8.8.
Potential Impact
The vulnerability can lead to high impact including unauthorized code execution, memory corruption, and denial of service (crash or restart) of affected systems running Red Hat Hardened Images that include the vulnerable libyuv component. Confidentiality, integrity, and availability are all rated as highly impacted by this flaw. There are no known exploits in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released updated libyuv RPM packages to fix this vulnerability. Users of Red Hat Hardened Images should apply the security update as provided by Red Hat to remediate the issue. The advisory does not mention any alternative mitigations or workarounds. Patch status is confirmed by the vendor advisory indicating that updated packages are available.
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Description
A heap buffer overflow vulnerability (CVE-2026-15767) was found in the libyuv component used in Red Hat Hardened Images RPMs. This flaw can lead to memory corruption, potentially allowing an attacker to execute unauthorized code or cause a denial of service by crashing the affected product. Red Hat has issued a security advisory and updated RPM packages to address this issue. The vulnerability is rated as high severity by Red Hat Product Security based on the Google Chrome Security Advisory. No explicit patch version is provided in the advisory, but updated RPMs are available.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-15767 is a heap buffer overflow vulnerability in the libyuv component of the Chromium browser, which is included in Red Hat Hardened Images RPMs. The flaw involves out-of-bounds write operations (CWE-787) that can corrupt memory, potentially allowing attackers to modify control data such as return addresses, leading to execution of arbitrary code or denial of service conditions. Red Hat has released updated libyuv RPM packages (version 0-0.63.20260714gitafff0cf.1.hum1) for architectures aarch64 and x86_64 to address this vulnerability. The advisory references upstream Chromium bug reports and rates the severity as high with a CVSS v3 base score of 8.8.
Potential Impact
The vulnerability can lead to high impact including unauthorized code execution, memory corruption, and denial of service (crash or restart) of affected systems running Red Hat Hardened Images that include the vulnerable libyuv component. Confidentiality, integrity, and availability are all rated as highly impacted by this flaw. There are no known exploits in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released updated libyuv RPM packages to fix this vulnerability. Users of Red Hat Hardened Images should apply the security update as provided by Red Hat to remediate the issue. The advisory does not mention any alternative mitigations or workarounds. Patch status is confirmed by the vendor advisory indicating that updated packages are available.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:42081
- Cve Count
- 1
- State
- PUBLISHED
Threat ID: 6a6fb62dbf32cb7a346e736a
Added to database: 08/02/2026, 21:27:09 UTC
Last enriched: 09/08/2026, 14:09:31 UTC
Last updated: 09/16/2026, 10:01:30 UTC
Views: 33
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