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Fencer Vulns
medium 4.6

CVE-2008-4639 json

jhead.c in Matthias Wandel jhead 2.84 and earlier allows local users to overwrite arbitrary files via a symlink attack on a temporary file.

published 2008-10-21 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4619

cvss
4.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits
0
none known

Summary

jhead.c in Matthias Wandel jhead 2.84 and earlier allows local users to overwrite arbitrary files via a symlink attack on a temporary file.

Patch / fix

  • jhead Debian 14, Debian 13, Debian 12 2.84-1

debian advisories DEBIAN-CVE-2008-4639

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2008-4639 updated

jhead: insecure temporary file usage

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-59 Improper Link Resolution Before File Access

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.