Description
The flac_buffer_copy function in flac.c in libsndfile 1.0.28 allows remote attackers to cause a denial of service (invalid read and application crash) via a crafted audio file.
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 | libsndfile | 1.0.27-3 | — |
| Debian 13 | libsndfile | 1.0.27-3 | — |
| Debian 12 | libsndfile | 1.0.27-3 | — |
| Debian 8 | libsndfile | 1.0.25-9.1+deb8u2 | DLA-1618-1 |
| Debian 7 | libsndfile | 1.0.25-9.1+deb7u2 | DLA-956-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | libsndfile | 1.0.25-10ubuntu0.16.04.1 | USN-3306-1 |
| Ubuntu 14.04 LTS | libsndfile | 1.0.25-7ubuntu2.2 | USN-3306-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | libsndfile | 1.0.25-35.1 | SUSE-SU-2017:1367-1 |
| SLES 12 SP1 | libsndfile | 1.0.25-35.1 | SUSE-SU-2017:1367-1 |
| SLES 11 SP4 | libsndfile | 1.0.20-2.18.1 | SUSE-SU-2017:1236-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | libsndfile | 1.0.25-35.1 | SUSE-SU-2017:1367-1 |
| SLES for SAP 12 SP1 | libsndfile | 1.0.25-35.1 | SUSE-SU-2017:1367-1 |
| SLES for SAP 11 SP4 | libsndfile | 1.0.20-2.18.1 | SUSE-SU-2017:1236-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.23 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.22 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.21 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.20 | libsndfile | 1.0.28-r1 | — |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.18 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.17 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.16 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.15 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.14 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.13 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.12 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.11 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.10 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.9 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.8 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.7 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.6 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.5 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.4 | libsndfile | 1.0.28-r1 | — |
| Alpine v3.3 | libsndfile | 1.0.28-r1 | — |
Advisories 5
- USN-3306-1 libsndfile vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-956-1 libsndfile - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1618-1 libsndfile - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:1367-1 Security update for libsndfile SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1236-1 Security update for libsndfile SUSE / openSUSE Security Updates · Feb 4, 2026