Red Hat Security Advisory: python-pillow security update
Multiple denial of service vulnerabilities have been identified in the python-pillow library, specifically involving crafted font and image files. These issues allow denial of service via crafted BDF font files, GD 2.x image files, PCF font data, and excessive memory allocation when processing font files. Red Hat has issued a security advisory with updates for Red Hat Enterprise Linux 8 to address these vulnerabilities.
AI Analysis
Technical Summary
The Red Hat security advisory RHSA-2026:39127 addresses four denial of service vulnerabilities in the python-pillow library. The vulnerabilities include denial of service via crafted BDF font files (CVE-2026-55379), crafted GD 2.x image files (CVE-2026-55380), crafted PCF font data (CVE-2026-54059), and excessive memory allocation when processing font files (CVE-2026-54060). These vulnerabilities could cause the affected software to crash or consume excessive resources when processing maliciously crafted files. The advisory provides updated python-pillow packages for Red Hat Enterprise Linux 8 on multiple architectures to mitigate these issues.
Potential Impact
Successful exploitation of these vulnerabilities can cause denial of service conditions by crashing applications or consuming excessive memory when processing specially crafted font or image files. This can disrupt normal operations of applications relying on python-pillow for image and font processing.
Mitigation Recommendations
Red Hat has released updated python-pillow packages for Red Hat Enterprise Linux 8 that address these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2026:39127 to remediate these issues. For detailed update instructions, refer to https://access.redhat.com/articles/11258. No indication of exploits in the wild has been reported.
Red Hat Security Advisory: python-pillow security update
Description
Multiple denial of service vulnerabilities have been identified in the python-pillow library, specifically involving crafted font and image files. These issues allow denial of service via crafted BDF font files, GD 2.x image files, PCF font data, and excessive memory allocation when processing font files. Red Hat has issued a security advisory with updates for Red Hat Enterprise Linux 8 to address these vulnerabilities.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Red Hat security advisory RHSA-2026:39127 addresses four denial of service vulnerabilities in the python-pillow library. The vulnerabilities include denial of service via crafted BDF font files (CVE-2026-55379), crafted GD 2.x image files (CVE-2026-55380), crafted PCF font data (CVE-2026-54059), and excessive memory allocation when processing font files (CVE-2026-54060). These vulnerabilities could cause the affected software to crash or consume excessive resources when processing maliciously crafted files. The advisory provides updated python-pillow packages for Red Hat Enterprise Linux 8 on multiple architectures to mitigate these issues.
Potential Impact
Successful exploitation of these vulnerabilities can cause denial of service conditions by crashing applications or consuming excessive memory when processing specially crafted font or image files. This can disrupt normal operations of applications relying on python-pillow for image and font processing.
Mitigation Recommendations
Red Hat has released updated python-pillow packages for Red Hat Enterprise Linux 8 that address these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2026:39127 to remediate these issues. For detailed update instructions, refer to https://access.redhat.com/articles/11258. No indication of exploits in the wild has been reported.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:39127
- Cve Count
- 4
- Additional Cves
- ["CVE-2026-54060","CVE-2026-55379","CVE-2026-55380"]
- Cvss Version
- null
Threat ID: 6a58ff2268715ace43492ed7
Added to database: 07/16/2026, 15:56:18 UTC
Last enriched: 07/16/2026, 16:03:30 UTC
Last updated: 07/17/2026, 07:47:31 UTC
Views: 13
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.