CVE-2009-2463

Name	CVE-2009-2463
Description	Multiple integer overflows in the (1) PL_Base64Decode and (2) PL_Base64Encode functions in nsprpub/lib/libc/src/base64.c in Mozilla Firefox before 3.0.12, Thunderbird before 2.0.0.24, and SeaMonkey before 1.1.19 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors that trigger buffer overflows.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DSA-1931-1, DSA-2025-1
NVD severity	high (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
icedove (PTS)	jessie	1:52.3.0-4~deb8u2	fixed
nspr (PTS)	jessie (security), jessie	2:4.12-1+debu8u1	fixed
	stretch	2:4.12-6	fixed
	buster	2:4.20-1	fixed
	bullseye, sid	2:4.21-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin
icedove	source	(unstable)	3.0~rc2-2	high
icedove	source	lenny	2.0.0.24-0lenny1	high	DSA-2025-1
nspr	source	(unstable)	4.8.2-1	high
nspr	source	etch	(unfixed)	end-of-life
nspr	source	lenny	4.7.1-5	high	DSA-1931-1

[etch] - nspr <end-of-life> (Mozilla packages from oldstable no longer covered by security support)