Integer overflow in the Png_datainfo_callback function in Dillo 2.1 and earlier allows remote attackers to cause a denial of service (crash…

published 2009-07-05 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2290

cvss: 7.5; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.5%; EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits: 0; none known

Integer overflow in the Png_datainfo_callback function in Dillo 2.1 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a PNG image with crafted (1) width or (2) height values.

Patch / fix

distros 1

dillo Debian 14, Debian 13, Debian 12 3.0-1

debian advisories DEBIAN-CVE-2009-2294

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-2009-2294 updated 2025-11-21

dillo: PNG-related integer overflow

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

2.50% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

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

Classification

Weakness

CWE-189 Numeric Errors

References

ocert.org /advisories/ocert-2009-008.html
securityfocus.com /archive/1/504727/100/0/threaded
mailing-list
secunia.com /advisories/35647
third-party-advisory
osvdb.org /55656
vdb-entry

Sources

CVE List CVE-2009-2294
NVD CVE-2009-2294

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.

Summary