CVE-2026-77219
A remote, anonymous attacker can exploit a vulnerability in GNU Emacs to disclose information or cause denial-of-service conditions.
CSIRTS triage
- What
- Remote attacker can disclose information or cause denial of service in GNU Emacs.
- Who is affected
- Remote users connecting to systems running vulnerable Emacs instances.
- Urgency
- Medium; remote exploitation possible but no active attacks reported.
- Action
- Update GNU Emacs to patched version addressing CVE-2026-77219.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Advisory coverage (3)
- medium[NEW] [medium] GNU Emacs: Vulnerability allows information disclosure and DoScert-bund · 2026-08-24
- highCVE-2026-77219: GNU Emacs before 31.0.91 contains an integer overflow in the PBM/PPM/PGM image loader that all…nvd · 2026-08-21
- highCVE-2026-77219: GNU Emacs < 31.0.91 Heap Over-Read via PBM/PPM/PGM Image Loadermsrc · 2026-08-11
External references
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[](https://www.csirts.com/cve/CVE-2026-77219)