Red Hat Security Advisory: libpng security update
Multiple security vulnerabilities have been identified in the libpng library used in Red Hat Enterprise Linux 8. 4. These include information disclosure and denial of service due to 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 specific Red Hat Enterprise Linux 8. 4 variants on x86_64 architecture. The advisory provides updated packages to remediate these flaws.
AI Analysis
Technical Summary
The libpng library in Red Hat Enterprise Linux 8.4 contains three notable security vulnerabilities: CVE-2026-22801 involves integer truncation in the simplified write API leading to information disclosure and denial of service; CVE-2026-22695 involves a heap buffer over-read in png_image_finish_read causing denial of service and information disclosure; CVE-2026-25646 is a heap buffer overflow in png_set_quantize. These vulnerabilities can impact the security of applications processing PNG images. Red Hat Product Security has released updated libpng packages to fix these issues as detailed in advisory RHSA-2026:4731.
Potential Impact
The vulnerabilities can lead to information disclosure and denial of service conditions when processing PNG images using the affected libpng functions. The heap buffer overflow may also pose a risk of memory corruption. These issues affect Red Hat Enterprise Linux 8.4 variants on x86_64. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated libpng packages addressing these vulnerabilities as part of advisory RHSA-2026:4731. Users of affected Red Hat Enterprise Linux 8.4 systems should apply these official updates promptly. For detailed update instructions, refer to https://access.redhat.com/articles/11258. Patch status is confirmed as available via these vendor-provided updates.
Red Hat Security Advisory: libpng security update
Description
Multiple security vulnerabilities have been identified in the libpng library used in Red Hat Enterprise Linux 8. 4. These include information disclosure and denial of service due to 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 specific Red Hat Enterprise Linux 8. 4 variants on x86_64 architecture. The advisory provides updated packages to remediate these flaws.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The libpng library in Red Hat Enterprise Linux 8.4 contains three notable security vulnerabilities: CVE-2026-22801 involves integer truncation in the simplified write API leading to information disclosure and denial of service; CVE-2026-22695 involves a heap buffer over-read in png_image_finish_read causing denial of service and information disclosure; CVE-2026-25646 is a heap buffer overflow in png_set_quantize. These vulnerabilities can impact the security of applications processing PNG images. Red Hat Product Security has released updated libpng packages to fix these issues as detailed in advisory RHSA-2026:4731.
Potential Impact
The vulnerabilities can lead to information disclosure and denial of service conditions when processing PNG images using the affected libpng functions. The heap buffer overflow may also pose a risk of memory corruption. These issues affect Red Hat Enterprise Linux 8.4 variants on x86_64. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated libpng packages addressing these vulnerabilities as part of advisory RHSA-2026:4731. Users of affected Red Hat Enterprise Linux 8.4 systems should apply these official updates promptly. For detailed update instructions, refer to https://access.redhat.com/articles/11258. Patch status is confirmed as available via these vendor-provided updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:4731
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-22801","CVE-2026-25646"]
- Cvss Version
- null
Threat ID: 6a1f4e86e29bf47b5007e87d
Added to database: 6/2/2026, 9:43:34 PM
Last enriched: 6/2/2026, 9:56:07 PM
Last updated: 6/3/2026, 5:03:44 AM
Views: 2
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