Description
Heap-based buffer overflow in the flac_buffer_copy function in libsndfile 1.0.17 and earlier might allow remote attackers to execute arbitrary code via a FLAC file with crafted PCM data containing a block with a size that exceeds the previous block size.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ardour | 1:2.1-1.1 | — |
| Debian 14 | libsndfile | 1.0.17-4 | — |
| Debian 13 | ardour | 1:2.1-1.1 | — |
| Debian 13 | libsndfile | 1.0.17-4 | — |
| Debian 12 | ardour | 1:2.1-1.1 | — |
| Debian 12 | libsndfile | 1.0.17-4 | — |
| Debian 4.0 | libsndfile | 1.0.16-2 | DSA-1442-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ardour | 6.9.0-1.1 | openSUSE-SU-2024:12411-1 |
| openSUSE Tumbleweed | libsndfile | 1.0.31-2.2 | openSUSE-SU-2024:10992-1 |
Advisories 3
- DSA-1442-1 libsndfile Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:12411-1 ardour-6.9.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10992-1 libsndfile-devel-1.0.31-2.2 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- 28412 third-party-advisory
- GLSA-200710-04 vendor-advisory
- 27100 third-party-advisory
- 25758 vdb-entry
- FEDORA-2007-2236 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=296221
- https://bugs.gentoo.org/show_bug.cgi?id=192834
- ADV-2007-3241 vdb-entry
- 28265 third-party-advisory
- MDKSA-2007:191 vendor-advisory
- USN-525-1 vendor-advisory
- 27018 third-party-advisory
- DSA-1442 vendor-advisory
- 27071 third-party-advisory
- 26921 third-party-advisory
- SUSE-SR:2008:001 vendor-advisory
- 26932 third-party-advisory