Red Hat Security Advisory: libpng security update
Multiple security vulnerabilities have been identified in the libpng library used in Red Hat Enterprise Linux 10. 0 Extended Update Support. These include information disclosure and denial of service via integer truncation in the simplified write API (CVE-2026-22801), denial of service and information disclosure via heap buffer over-read in png_image_finish_read (CVE-2026-22695), and a heap buffer overflow in png_set_quantize (CVE-2026-25646). Red Hat has issued an important security advisory with updates to address these issues. The vulnerabilities affect various architectures including x86_64, s390x, ppc64le, and aarch64. The advisory rates the impact as important and provides updated package versions to remediate the vulnerabilities.
AI Analysis
Technical Summary
The libpng library in Red Hat Enterprise Linux 10.0 Extended Update Support contains three security vulnerabilities: CVE-2026-22801 involves information disclosure and denial of service due to integer truncation in the simplified write API; CVE-2026-22695 involves denial of service and information disclosure via a heap buffer over-read in the png_image_finish_read function; CVE-2026-25646 is a heap buffer overflow in the png_set_quantize function. These vulnerabilities can lead to denial of service and potential information leakage. Red Hat has released updated libpng packages to fix these issues across multiple supported architectures.
Potential Impact
The vulnerabilities can cause denial of service conditions and information disclosure when processing PNG images using the affected libpng functions. The heap buffer over-read and overflow issues may allow attackers to read or corrupt memory, potentially leading to application crashes or leakage of sensitive data. The advisory rates the security impact as important, indicating a high severity level but without a formal CVSS score provided.
Mitigation Recommendations
Red Hat has released updated libpng packages for Red Hat Enterprise Linux 10.0 Extended Update Support to address these vulnerabilities. Administrators should apply the security updates as described in the Red Hat advisory RHSA-2026:3577 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patches.
Red Hat Security Advisory: libpng security update
Description
Multiple security vulnerabilities have been identified in the libpng library used in Red Hat Enterprise Linux 10. 0 Extended Update Support. These include information disclosure and denial of service via integer truncation in the simplified write API (CVE-2026-22801), denial of service and information disclosure via heap buffer over-read in png_image_finish_read (CVE-2026-22695), and a heap buffer overflow in png_set_quantize (CVE-2026-25646). Red Hat has issued an important security advisory with updates to address these issues. The vulnerabilities affect various architectures including x86_64, s390x, ppc64le, and aarch64. The advisory rates the impact as important and provides updated package versions to remediate the vulnerabilities.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The libpng library in Red Hat Enterprise Linux 10.0 Extended Update Support contains three security vulnerabilities: CVE-2026-22801 involves information disclosure and denial of service due to integer truncation in the simplified write API; CVE-2026-22695 involves denial of service and information disclosure via a heap buffer over-read in the png_image_finish_read function; CVE-2026-25646 is a heap buffer overflow in the png_set_quantize function. These vulnerabilities can lead to denial of service and potential information leakage. Red Hat has released updated libpng packages to fix these issues across multiple supported architectures.
Potential Impact
The vulnerabilities can cause denial of service conditions and information disclosure when processing PNG images using the affected libpng functions. The heap buffer over-read and overflow issues may allow attackers to read or corrupt memory, potentially leading to application crashes or leakage of sensitive data. The advisory rates the security impact as important, indicating a high severity level but without a formal CVSS score provided.
Mitigation Recommendations
Red Hat has released updated libpng packages for Red Hat Enterprise Linux 10.0 Extended Update Support to address these vulnerabilities. Administrators should apply the security updates as described in the Red Hat advisory RHSA-2026:3577 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:3577
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-22801","CVE-2026-25646"]
- Cvss Version
- null
Threat ID: 6a1f4e86e29bf47b5007ec82
Added to database: 6/2/2026, 9:43:34 PM
Last enriched: 6/2/2026, 9:57:21 PM
Last updated: 6/3/2026, 5:07:41 AM
Views: 3
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