CVE-2021-0561

Name	CVE-2021-0561
Description	In append_to_verify_fifo_interleaved_ of stream_encoder.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174302683
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-2951-1, DLA-3094-1
Debian Bugs	1006339

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
flac (PTS)	buster, buster (security)	1.3.2-3+deb10u2	fixed
	bullseye	1.3.3-2+deb11u1	fixed
	bookworm, sid	1.4.2+ds-2	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
flac	source	stretch	1.3.2-2+deb9u2	DLA-2951-1
flac	source	buster	1.3.2-3+deb10u2
flac	source	bullseye	1.3.3-2+deb11u1
flac	source	(unstable)	1.3.4-1		1006339

Notes

https://github.com/xiph/flac/commit/e1575e4a7c5157cbf4e4a16dbd39b74f7174c7be (1.3.4)
https://xiph.org/flac/changelog.html#flac_1.3.4
https://android.googlesource.com/platform/external/flac/+/368eb3f5bec249a197c95a95583ff8153aa6a87f
https://source.android.com/security/bulletin/pixel/2021-06-01