CVE-2021-0561

NameCVE-2021-0561
DescriptionIn 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
SourceCVE (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)
ReferencesDLA-2951-1
Debian Bugs1006339

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
flac (PTS)buster1.3.2-3+deb10u1vulnerable
bullseye1.3.3-2+deb11u1fixed
bookworm, sid1.3.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
flacsourcestretch1.3.2-2+deb9u2DLA-2951-1
flacsourcebullseye1.3.3-2+deb11u1
flacsource(unstable)1.3.4-11006339

Notes

[buster] - flac <no-dsa> (Minor issue)
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

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