VIR Vulnerability Intelligence Relay

CVE-2009-5018

medium
Published 2011-01-14 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
7.8

Description

Stack-based buffer overflow in gif2png.c in gif2png 2.5.3 and earlier might allow context-dependent attackers to execute arbitrary code via a long command-line argument, as demonstrated by a CGI program that launches gif2png.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-34356 dos linux verified
Razuel Akaharnath · 2009-12-12

gif2png 2.5.2 - Remote Buffer Overflow

Source code queued for fetch — refresh in a moment.

Application impact
VendorProductVersionsFixed
catbgif2png{"endIncluding":"2.5.3"}
catbgif2png0.99
catbgif2png1.0.0
catbgif2png1.1.0
catbgif2png1.1.1
catbgif2png1.2.0
catbgif2png1.2.1
catbgif2png1.2.2
catbgif2png2.0.0
catbgif2png2.0.1
catbgif2png2.0.2
catbgif2png2.0.3
catbgif2png2.1.1
catbgif2png2.1.2
catbgif2png2.1.3
catbgif2png2.2.0
catbgif2png2.2.1
catbgif2png2.2.2
catbgif2png2.2.3
catbgif2png2.2.4
catbgif2png2.2.5
catbgif2png2.3.0
catbgif2png2.3.1
catbgif2png2.3.2
catbgif2png2.3.3
catbgif2png2.4.0
catbgif2png2.4.1
catbgif2png2.4.2
catbgif2png2.4.3
catbgif2png2.4.4
catbgif2png2.4.5
catbgif2png2.4.6
catbgif2png2.4.7
catbgif2png2.5.0
catbgif2png2.5.1
catbgif2png2.5.2

References

CWEs

CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.