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Fencer Vulns
low 2.1

CVE-2003-0367 json

znew in the gzip package allows local users to overwrite arbitrary files via a symlink attack on temporary files.

published 2003-06-10 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0362

cvss
2.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits
0
none known

Summary

znew in the gzip package allows local users to overwrite arbitrary files via a symlink attack on temporary files.

Patch / fix

  • gzip Debian 14, Debian 13, Debian 12 1.3.5-6

debian advisories DEBIAN-CVE-2003-0367

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-2003-0367 updated cvss 6.2

gzip: symlink attack on temporary files leads to arbitrary file overwrite

  • Red Hat Enterprise Linux 5 gzip Red Hat Enterprise Linux 6 gzip Red Hat Enterprise Linux 7 gzip Red Hat Enterprise Linux 8 gzip
    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

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation

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.