Red Hat Security Advisory: libpng security update
Multiple security vulnerabilities have been identified in the libpng library used by Red Hat Enterprise Linux 9. 6 Extended Update Support and related variants. These include a buffer overflow (CVE-2025-64720), a heap buffer overflow (CVE-2025-65018), and an out-of-bounds read in the png_image_read_composite function (CVE-2025-66293). Red Hat has issued an important security advisory (RHSA-2026:0210) addressing these issues with updated libpng packages. The vulnerabilities relate to improper memory handling in libpng functions. No known exploits in the wild have been reported at this time. Red Hat provides updated packages to remediate these vulnerabilities and recommends applying the update as described in their advisory.
AI Analysis
Technical Summary
The libpng library, which provides functions for creating and manipulating PNG image files, contains multiple memory safety vulnerabilities: a buffer overflow (CVE-2025-64720), a heap buffer overflow (CVE-2025-65018), and an out-of-bounds read (CVE-2025-66293). These issues can lead to memory corruption when processing specially crafted PNG images. Red Hat has released updated libpng packages for Red Hat Enterprise Linux 9.6 Extended Update Support and related architectures to fix these vulnerabilities. The advisory RHSA-2026:0210 details the fixes and affected packages. The vulnerabilities are categorized under CWE-125 (out-of-bounds read) and CWE-787 (out-of-bounds write).
Potential Impact
Successful exploitation of these vulnerabilities could result in memory corruption, potentially leading to application crashes or other unintended behavior when processing PNG images. The advisory rates the security impact as Important (high severity). There are no reports of active exploitation in the wild. The vulnerabilities affect multiple Red Hat Enterprise Linux 9.6 variants across several architectures including x86_64 and s390x.
Mitigation Recommendations
Red Hat has released updated libpng packages that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 9.6 Extended Update Support and related variants should apply the security update as described in Red Hat advisory RHSA-2026:0210. Detailed instructions for applying the update are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
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. 6 Extended Update Support and related variants. These include a buffer overflow (CVE-2025-64720), a heap buffer overflow (CVE-2025-65018), and an out-of-bounds read in the png_image_read_composite function (CVE-2025-66293). Red Hat has issued an important security advisory (RHSA-2026:0210) addressing these issues with updated libpng packages. The vulnerabilities relate to improper memory handling in libpng functions. No known exploits in the wild have been reported at this time. Red Hat provides updated packages to remediate these vulnerabilities and recommends applying the update as described in their advisory.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The libpng library, which provides functions for creating and manipulating PNG image files, contains multiple memory safety vulnerabilities: a buffer overflow (CVE-2025-64720), a heap buffer overflow (CVE-2025-65018), and an out-of-bounds read (CVE-2025-66293). These issues can lead to memory corruption when processing specially crafted PNG images. Red Hat has released updated libpng packages for Red Hat Enterprise Linux 9.6 Extended Update Support and related architectures to fix these vulnerabilities. The advisory RHSA-2026:0210 details the fixes and affected packages. The vulnerabilities are categorized under CWE-125 (out-of-bounds read) and CWE-787 (out-of-bounds write).
Potential Impact
Successful exploitation of these vulnerabilities could result in memory corruption, potentially leading to application crashes or other unintended behavior when processing PNG images. The advisory rates the security impact as Important (high severity). There are no reports of active exploitation in the wild. The vulnerabilities affect multiple Red Hat Enterprise Linux 9.6 variants across several architectures including x86_64 and s390x.
Mitigation Recommendations
Red Hat has released updated libpng packages that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 9.6 Extended Update Support and related variants should apply the security update as described in Red Hat advisory RHSA-2026:0210. Detailed instructions for applying the update are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:0210
- Cve Count
- 3
- Additional Cves
- ["CVE-2025-65018","CVE-2025-66293"]
- Cvss Version
- null
Threat ID: 6a1f4e86e29bf47b5007f8bd
Added to database: 6/2/2026, 9:43:34 PM
Last enriched: 6/2/2026, 10:01:23 PM
Last updated: 6/3/2026, 4:34:19 AM
Views: 2
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