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CVE-2007-2833

Emacs 21 allows user-assisted attackers to cause a denial of service (crash) via certain crafted...

7.8 HighFix available

Emacs 21 allows user-assisted attackers to cause a denial of service (crash) via certain crafted images, as demonstrated via a GIF image in vm mode, related to image size calculation.

Exploit likelihood

1.96%Up 0.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

Emacs 21 allows user-assisted attackers to cause a denial of service (crash) via certain crafted images, as demonstrated via a GIF image in vm mode, related to image size calculation.

Record
CVE-2007-2833
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Updated
2026-11-02
CVE List No score

Emacs 21 allows user-assisted attackers to cause a denial of service (crash) via certain crafted images, as demonstrated via a GIF image in vm mode, related to image size calculation.

Record
CVE-2007-2833
Updated
2026-11-02
EUVDEUVD-2007-2825 No score

Emacs 21 allows user-assisted attackers to cause a denial of service (crash) via certain crafted images, as demonstrated via a GIF image in vm mode, related to image size calculation.

Record
EUVD-2007-2825
Updated
2026-11-03
GitHub AdvisoriesGHSA-87rf-xcxq-w82r No score

Emacs 21 allows user-assisted attackers to cause a denial of service (crash) via certain crafted...

Emacs 21 allows user-assisted attackers to cause a denial of service (crash) via certain crafted images, as demonstrated via a GIF image in vm mode, related to image size calculation.

Record
GHSA-87rf-xcxq-w82r
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
emacs21
Debian:4.0
before 21.4a+1-3etch1, plus listed versions
21.4a+1-3
21.4a+1-3etch1

History

History
RecordedChangedSources
aliasesEUVD
affected, aliases, facts, published, references, titleGitHub Advisories, OSV
first indexedCVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-2833 is a high vulnerability (CVSS 7.8) in Gnu Emacs, published June 21, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.96%, the 80th percentile. Fixed in emacs21 21.4a+1-3etch1.

References

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