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CVE-2009-3978

Date: November 18, 2009

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.

Severity Score

Related Resources (7)

https://wiki.mozilla.org/Releases/Firefox_3.5.5/Test_Plan
https://nvd.nist.gov/vuln/detail/CVE-2009-3978
http://www.h-online.com/open/news/item/Mozilla-fixes-critical-bugs-with-Firefox-3-5-5-852070.html
http://hg.mozilla.org/releases/mozilla-1.9.1/rev/edf189567edc
https://bugzilla.mozilla.org/show_bug.cgi?id=525326
http://www.mozilla.com/en-US/firefox/3.5.5/releasenotes/
https://www.mend.io/vulnerability-database/CVE-2009-3978

Severity Score

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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