CVE-2017-5448

Name	CVE-2017-5448
Description	An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-906-1, DSA-3831-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
firefox (PTS)	sid	132.0.2-1	fixed
firefox-esr (PTS)	jessie, jessie (lts)	68.9.0esr-1~deb8u2	fixed
	stretch (security), stretch (lts), stretch	91.11.0esr-1~deb9u1	fixed
	buster (security), buster, buster (lts)	115.12.0esr-1~deb10u1	fixed
	bullseye	115.14.0esr-1~deb11u1	fixed
	bullseye (security)	128.4.0esr-1~deb11u1	fixed
	bookworm	128.3.1esr-1~deb12u1	fixed
	bookworm (security)	128.4.0esr-1~deb12u1	fixed
	sid, trixie	128.4.0esr-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
firefox	source	(unstable)	52.0.1-1
firefox-esr	source	wheezy	45.9.0esr-1~deb7u1		DLA-906-1
firefox-esr	source	jessie	45.9.0esr-1~deb8u1		DSA-3831-1
firefox-esr	source	(unstable)	45.9.0esr-1