Red Hat Security Advisory: libpng security update
The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics (PNG) image format files. Security Fix(es): * libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API (CVE-2026-22801) * libpng: libpng: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read (CVE-2026-22695) * libpng: LIBPNG has a heap buffer overflow in png_set_quantize (CVE-2026-25646) 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.
AI Analysis
Technical Summary
The libpng library in Red Hat Enterprise Linux 9.6 Extended Update Support contains three security vulnerabilities: CVE-2026-22801 involves information disclosure and denial of service via 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 when processing PNG images. Red Hat has released updated libpng packages to address these issues.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to cause denial of service conditions or disclose sensitive information by triggering integer truncation, heap buffer over-read, or heap buffer overflow in libpng functions. This affects systems running Red Hat Enterprise Linux 9.6 Extended Update Support with vulnerable libpng versions.
Mitigation Recommendations
Red Hat has released updated libpng packages that fix these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2026:3576 and the referenced article https://access.redhat.com/articles/11258. The update is available for Red Hat Enterprise Linux 9.6 Extended Update Support across multiple architectures. Applying this update mitigates the vulnerabilities.
Red Hat Security Advisory: libpng security update
Description
The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics (PNG) image format files. Security Fix(es): * libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API (CVE-2026-22801) * libpng: libpng: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read (CVE-2026-22695) * libpng: LIBPNG has a heap buffer overflow in png_set_quantize (CVE-2026-25646) 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.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The libpng library in Red Hat Enterprise Linux 9.6 Extended Update Support contains three security vulnerabilities: CVE-2026-22801 involves information disclosure and denial of service via 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 when processing PNG images. Red Hat has released updated libpng packages to address these issues.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to cause denial of service conditions or disclose sensitive information by triggering integer truncation, heap buffer over-read, or heap buffer overflow in libpng functions. This affects systems running Red Hat Enterprise Linux 9.6 Extended Update Support with vulnerable libpng versions.
Mitigation Recommendations
Red Hat has released updated libpng packages that fix these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2026:3576 and the referenced article https://access.redhat.com/articles/11258. The update is available for Red Hat Enterprise Linux 9.6 Extended Update Support across multiple architectures. Applying this update mitigates the vulnerabilities.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:3576
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-22801","CVE-2026-25646"]
- State
- PUBLISHED
Threat ID: 6a1f4e86e29bf47b5007ec8a
Added to database: 06/02/2026, 21:43:34 UTC
Last enriched: 08/03/2026, 22:35:21 UTC
Last updated: 09/13/2026, 22:01:32 UTC
Views: 73
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