CVE-2026-55380

highCVSS 7.5covered by 2 sourcesfirst seen 2026-07-06

A remote, anonymous attacker can exploit multiple vulnerabilities in Red Hat Enterprise Linux regarding python-pillow to perform a denial of service attack.

CSIRTS triage

What: Multiple vulnerabilities allow denial of service attacks.
Who is affected: Remote, anonymous attackers targeting installations of python-pillow on Red Hat Enterprise Linux.
Urgency: Remediation is medium urgency as the vulnerabilities can lead to service disruption.
Action: Update python-pillow to the latest version to mitigate the vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.42% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 35% of all EPSS-scored CVEs.

Advisory coverage (2)

medium[NEW] [medium] Red Hat Enterprise Linux (python-pillow): Multiple vulnerabilities allow denial of servicecert-bund · 2026-08-12
highCVE-2026-55380: Pillow is a Python imaging library. Prior to 12.3.0, PIL/GdImageFile.py GdImageFile._open() re…nvd · 2026-07-06

External references

NVD record for CVE-2026-55380

CVE.org record

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