libsndfile: libsndfile is a C library for reading and writing files containing sampled sound, such as AIFF, AU, or WAV
CVE-2021-4156 is fixed in 8 products on 1 platform, first by DEBIAN-CVE-2021-4156, released March 23, 2022. It is not reported as exploited. Patch Radar priority: High.
libsndfile is a C library for reading and writing files containing sampled sound, such as AIFF, AU, or WAV. Security Fix(es): * libsndfile: heap out-of-bounds read in src/flac.c in flac_buffer_copy (CVE-2021-4156) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libsndfile · Debian 11.6 (bullseye) | 1.0.31-2+deb11u2 | DLA-4402-1 | Dec 11, 2025 |
| libsndfile · Debian 12.15 (bookworm) | 1.1.0-1 | DEBIAN-CVE-2021-4156 | Mar 23, 2022 |
| libsndfile · Debian 13.5 (trixie) | 1.1.0-1 | DEBIAN-CVE-2021-4156 | Mar 23, 2022 |
| libsndfile · Debian 14 | 1.1.0-1 | DEBIAN-CVE-2021-4156 | Mar 23, 2022 |
| libsndfile · RHEL 8 | 0:1.0.28-12.el8 | RHSA-2022:1968 | May 10, 2022 |
| libsndfile · almalinux 8 | 1.0.28-12.el8 | ALSA-2022:1968 | May 10, 2022 |
| libsndfile · amzn 2023 | 1.0.31-6.amzn2023.0.2 | ALAS2023-2023-028 | Feb 17, 2023 |
| libsndfile · ol 8 | 0:1.0.28-12.el8 | ELSA-2022-1968 | May 17, 2022 |
| libsndfile · rocky 8 | 0:1.0.28-12.el8 | RLSA-2022:1968 | May 10, 2022 |
| libsndfile-debuginfo · amzn 2023 | 1.0.31-6.amzn2023.0.2 | ALAS2023-2023-028 | Feb 17, 2023 |
| libsndfile-debugsource · amzn 2023 | 1.0.31-6.amzn2023.0.2 | ALAS2023-2023-028 | Feb 17, 2023 |
| libsndfile-devel · RHEL 8 | 0:1.0.28-12.el8 | RHSA-2022:1968 | May 10, 2022 |
| libsndfile-devel · almalinux 8 | 1.0.28-12.el8 | ALSA-2022:1968 | May 10, 2022 |
| libsndfile-devel · amzn 2023 | 1.0.31-6.amzn2023.0.2 | ALAS2023-2023-028 | Feb 17, 2023 |
| libsndfile-devel · ol 8 | 0:1.0.28-12.el8 | ELSA-2022-1968 | May 17, 2022 |
| libsndfile-utils · amzn 2023 | 1.0.31-6.amzn2023.0.2 | ALAS2023-2023-028 | Feb 17, 2023 |
| libsndfile-utils-debuginfo · amzn 2023 | 1.0.31-6.amzn2023.0.2 | ALAS2023-2023-028 | Feb 17, 2023 |
| libsndfile1 · Ubuntu 18.04.6 LTS (bionic) | 1.0.28-4ubuntu0.18.04.2+esm2 | libsndfile1 1.0.28-4ubuntu0.18.04.2+esm2 | Oct 27, 2024 |
| libsndfile1 · Ubuntu 20.04 LTS (focal) | 1.0.28-7ubuntu0.3 | libsndfile1 1.0.28-7ubuntu0.3 | Oct 27, 2024 |
| libsndfile1 · Ubuntu 22.04.1 LTS (jammy) | 1.0.31-2ubuntu0.2 | libsndfile1 1.0.31-2ubuntu0.2 | Oct 27, 2024 |
| sndfile-programs · Ubuntu 18.04.6 LTS (bionic) | 1.0.28-4ubuntu0.18.04.2+esm2 | sndfile-programs 1.0.28-4ubuntu0.18.04.2+esm2 | Oct 27, 2024 |
| sndfile-programs · Ubuntu 20.04 LTS (focal) | 1.0.28-7ubuntu0.3 | sndfile-programs 1.0.28-7ubuntu0.3 | Oct 27, 2024 |
| sndfile-programs · Ubuntu 22.04.1 LTS (jammy) | 1.0.31-2ubuntu0.2 | sndfile-programs 1.0.31-2ubuntu0.2 | Oct 27, 2024 |
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