DSA-6468-1 emacs - security update
Two security issues were discovered in GNU Emacs, which could result in the execution of arbitrary code when opening a malformed file and denial of service when processing malformed PBM/PPM/PGM images. https://security-tracker.debian.org/tracker/DSA-6468-1
CSIRTS triage
- What
- GNU Emacs contains vulnerabilities allowing arbitrary code execution from malformed files and denial of service from malformed PBM/PPM/PGM images.
- Who is affected
- Systems running GNU Emacs and processing untrusted files are affected.
- Urgency
- High urgency; arbitrary code execution is possible when opening crafted files.
- Action
- Apply Debian security update DSA-6468-1 for GNU Emacs.
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Details
Original advisory: https://lists.debian.org/debian-security-announce/2026/msg00379.html
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-68610.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-6861 | coverage & exploitation status | NVD · CVE.org |
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