CVE-2009-3978

MediumCVSS 4.3/10Last modified Jun 16, 2026

Description

The nsGIFDecoder2::GifWrite function in decoders/gif/nsGIFDecoder2.cpp in libpr0n in Mozilla Firefox before 3.5.5 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an animated GIF file with a large image size, a different vulnerability than CVE-2009-3373.

Metrics

CVSS 2.0 4.3/10AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected software

No affected versions have been published.

Timeline

Published
Nov 19, 2009
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2009

CVE-2009-39799.3Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, SeaMonkey before 2.0.1, CVE-2009-39809.3Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.5.x before 3.5.6, SeaMonkey before 2.0.1, and Thunderbird alCVE-2009-39819.3Unspecified vulnerability in the browser engine in Mozilla Firefox before 3.0.16, SeaMonkey before 2.0.1, and Thunderbird allows remote attaCVE-2009-39829.3Multiple unspecified vulnerabilities in the JavaScript engine in Mozilla Firefox 3.5.x before 3.5.6, SeaMonkey before 2.0.1, and ThunderbirdCVE-2009-39836.8Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to send authenticated requests to CVE-2009-39846.8Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to spoof an SSL indicator for an hCVE-2009-39856.8Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to associate spoofed content with CVE-2009-39867.6Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to execute arbitrary JavaScript wiCVE-2009-39877.8The GeckoActiveXObject function in Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, generates different excCVE-2009-39885.0Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, and SeaMonkey before 2.0.3, does not properly restrict read access to object proCVE-2009-39894.3Bugzilla before 3.0.11, 3.2.x before 3.2.6, 3.4.x before 3.4.5, and 3.5.x before 3.5.3 does not block access to files and directories that aCVE-2009-39949.3Stack-based buffer overflow in the GetUID function in src-IL/src/il_dicom.c in DevIL 1.7.8 allows remote attackers to cause a denial of serv
CVE-2009-3978: Medium severity, CVSS 4.3 | Vulnix