| 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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, 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 | 1.3.2-3+deb10u2 | fixed |
| buster (security) | 1.3.2-3+deb10u3 | fixed |
| bullseye (security), bullseye | 1.3.3-2+deb11u2 | fixed |
| bookworm | 1.4.2+ds-2 | fixed |
| sid, trixie | 1.4.3+ds-2.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | 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