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Fencer Vulns
high 7.5

CVE-2003-0107 in the critical feed json

Buffer overflow in the gzprintf function in zlib 1.1.4, when zlib is compiled without vsnprintf or when long inputs are truncated using vsn…

published 2003-03-07 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0103

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
26.0%
EPSS 26.0% chance of exploitation in 30 days, percentile 97%
public exploits
2
Exploit-DB

Summary

Buffer overflow in the gzprintf function in zlib 1.1.4, when zlib is compiled without vsnprintf or when long inputs are truncated using vsnprintf, allows attackers to cause a denial of service or possibly execute arbitrary code.

Patch / fix

  • zlib Debian 14, Debian 13, Debian 12 1:1.1.4-10

debian advisories DEBIAN-CVE-2003-0107

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-2003-0107 updated

security flaw

  • Red Hat Enterprise Linux ES version 2.1 Red Hat Enterprise Linux WS version 2.1
    fixed: vendor fix RHSA-2003:081
  • Red Hat Linux 7.1 Red Hat Linux 7.2 Red Hat Linux 7.3 Red Hat Linux 8.0
    fixed: vendor fix RHSA-2003:079
  • Red Hat Linux Advanced Workstation 2.1
    fixed: vendor fix RHSA-2003:081

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

Timeline

  1. First public exploit (EDB-22274)
  2. Published

Exploit prediction

25.99% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-22274 Zlib 1.1.4 - Compression Library 'gzprintf()' Buffer Overrun (2) remote, 2003-02-23
  • EDB-22273 Zlib 1.1.4 - Compression Library 'gzprintf()' Buffer Overrun (1) dos, 2003-02-23
  • online.securityfocus.com http://online.securityfocus.com/archive/1/312869 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

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.