Red Hat Security Advisory: libpng security update
Multiple security vulnerabilities have been identified in the libpng library used by Red Hat Enterprise Linux 9. 4 Extended Update Support and related versions. These include information disclosure and denial of service issues due to integer truncation and heap buffer over-read, as well as a heap buffer overflow. Red Hat has issued an important security advisory with updates addressing these vulnerabilities. The vulnerabilities affect various architectures including x86_64 and s390x. No known exploits are reported in the wild at this time. A security update is available from Red Hat to remediate these issues.
AI Analysis
Technical Summary
The libpng library in Red Hat Enterprise Linux 9.4 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 png_image_finish_read; CVE-2026-25646 is a heap buffer overflow in png_set_quantize. These vulnerabilities can lead to denial of service and potential information leakage. Red Hat has released updated libpng packages to address these issues as detailed in advisory RHSA-2026:3574.
Potential Impact
Successful exploitation of these vulnerabilities could result in denial of service conditions and information disclosure on affected systems running vulnerable versions of libpng. The issues stem from memory handling errors such as integer truncation, heap buffer over-read, and heap buffer overflow. No known active exploits have been reported. The impact is rated as high by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released security updates for libpng in Red Hat Enterprise Linux 9.4 Extended Update Support and related variants. Users should apply these official patches as described in Red Hat advisory RHSA-2026:3574 and the referenced article https://access.redhat.com/articles/11258 to remediate the vulnerabilities. Patch status is confirmed as available. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: libpng security update
Description
Multiple security vulnerabilities have been identified in the libpng library used by Red Hat Enterprise Linux 9. 4 Extended Update Support and related versions. These include information disclosure and denial of service issues due to integer truncation and heap buffer over-read, as well as a heap buffer overflow. Red Hat has issued an important security advisory with updates addressing these vulnerabilities. The vulnerabilities affect various architectures including x86_64 and s390x. No known exploits are reported in the wild at this time. A security update is available from Red Hat to remediate these issues.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The libpng library in Red Hat Enterprise Linux 9.4 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 png_image_finish_read; CVE-2026-25646 is a heap buffer overflow in png_set_quantize. These vulnerabilities can lead to denial of service and potential information leakage. Red Hat has released updated libpng packages to address these issues as detailed in advisory RHSA-2026:3574.
Potential Impact
Successful exploitation of these vulnerabilities could result in denial of service conditions and information disclosure on affected systems running vulnerable versions of libpng. The issues stem from memory handling errors such as integer truncation, heap buffer over-read, and heap buffer overflow. No known active exploits have been reported. The impact is rated as high by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released security updates for libpng in Red Hat Enterprise Linux 9.4 Extended Update Support and related variants. Users should apply these official patches as described in Red Hat advisory RHSA-2026:3574 and the referenced article https://access.redhat.com/articles/11258 to remediate the vulnerabilities. Patch status is confirmed as available. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:3574
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-22801","CVE-2026-25646"]
- Cvss Version
- null
Threat ID: 6a1f4e86e29bf47b5007ec9a
Added to database: 6/2/2026, 9:43:34 PM
Last enriched: 6/2/2026, 9:57:51 PM
Last updated: 6/3/2026, 5:06:38 AM
Views: 2
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