Description
An issue was discovered in libsndfile 1.0.28. There is a NULL pointer dereference in the function sf_write_int in sndfile.c, which will lead to a denial of service.
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 | 1.0.28-5 | — |
| Debian 13 | libsndfile | 1.0.28-5 | — |
| Debian 12 | libsndfile | 1.0.28-5 | — |
| Debian 8 | libsndfile | 1.0.25-9.1+deb8u2 | DLA-1618-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | libsndfile | 1.0.28-4ubuntu0.18.04.1 | USN-4013-1 |
| Ubuntu 16.04 LTS | libsndfile | 1.0.25-10ubuntu0.16.04.2 | USN-4704-1, USN-4013-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | libsndfile | 1.0.25-7ubuntu2.2+esm1 | USN-4704-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | libsndfile | 1.0.28-5.12.1 | SUSE-SU-2021:2764-1 |
| SLES 15 SP2 | libsndfile | 1.0.28-5.12.1 | SUSE-SU-2021:2764-1 |
| SLES 15 SP1 | libsndfile | 1.0.28-5.12.1 | SUSE-SU-2021:2764-1 |
| SLES 15 | libsndfile | 1.0.28-5.12.1 | SUSE-SU-2021:2764-1 |
| SLES 12 SP5 | libsndfile | 1.0.25-36.23.1 | SUSE-SU-2021:2615-1 |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | libsndfile | 1.0.25-36.23.1 | SUSE-SU-2021:2615-1 |
| SLES 12 SP3 | libsndfile | 1.0.25-36.23.1 | SUSE-SU-2021:2615-1 |
| SLES 12 SP2 | libsndfile | 1.0.25-36.23.1 | SUSE-SU-2021:2615-1 |
| SLES for SAP 15 SP1 | libsndfile | 1.0.28-5.12.1 | SUSE-SU-2021:2764-1 |
| SLES for SAP 15 | libsndfile | 1.0.28-5.12.1 | SUSE-SU-2021:2764-1 |
| SLES for SAP 12 SP5 | libsndfile | 1.0.25-36.23.1 | SUSE-SU-2021:2615-1 |
| SLES for SAP 12 SP4 | libsndfile | 1.0.25-36.23.1 | SUSE-SU-2021:2615-1 |
| SLES for SAP 12 SP3 | libsndfile | 1.0.25-36.23.1 | SUSE-SU-2021:2615-1 |
| SLE HPC 15 SP1 | libsndfile | 1.0.28-5.12.1 | SUSE-SU-2021:2764-1 |
| SLE HPC 15 | libsndfile | 1.0.28-5.12.1 | SUSE-SU-2021:2764-1 |
| SUSE OpenStack Cloud Crowbar 9 | libsndfile | 1.0.25-36.23.1 | SUSE-SU-2021:2615-1 |
| SUSE OpenStack Cloud 9 | libsndfile | 1.0.25-36.23.1 | SUSE-SU-2021:2615-1 |
| SUSE OpenStack Cloud 8 | libsndfile | 1.0.25-36.23.1 | SUSE-SU-2021:2615-1 |
| SUSE Manager Server 4.0 | libsndfile | 1.0.28-5.12.1 | SUSE-SU-2021:2764-1 |
| SUSE Manager Retail Branch Server 4.0 | libsndfile | 1.0.28-5.12.1 | SUSE-SU-2021:2764-1 |
| SUSE Manager Proxy 4.0 | libsndfile | 1.0.28-5.12.1 | SUSE-SU-2021:2764-1 |
| SUSE Enterprise Storage 6 | libsndfile | 1.0.28-5.12.1 | SUSE-SU-2021:2764-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libsndfile | 1.0.31-2.2 | openSUSE-SU-2024:10992-1 |
| openSUSE Leap 15.3 | libsndfile +1 | 1.0.28-5.12.1 | openSUSE-SU-2021:2764-1 |
| openSUSE Leap 15.2 | libsndfile +1 | 1.0.28-lp152.6.3.1 | openSUSE-SU-2021:1166-1 |
Advisories 8
- USN-4704-1 libsndfile vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- USN-4013-1 libsndfile vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-1618-1 libsndfile - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2021:2615-1 Security update for libsndfile SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:2764-1 Security update for libsndfile SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1166-1 Security update for libsndfile SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:2764-1 Security update for libsndfile 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
- https://github.com/erikd/libsndfile/issues/427
- [debian-lts-announce] 20181226 [SECURITY] [DLA 1618-1] libsndfile security update mailing-list
- 105996 vdb-entry
- USN-4013-1 vendor-advisory