Description
It was discovered the fix for CVE-2018-19758 (libsndfile) was not complete and still allows a read beyond the limits of a buffer in wav_write_header() function in wav.c. A local attacker may use this flaw to make the application crash.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| [UNKNOWN] | libsndfile | NA | — |
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 | 1.0.28-6 | — |
| Debian 13 | libsndfile | 1.0.28-6 | — |
| Debian 12 | libsndfile | 1.0.28-6 | — |
| Debian 9 | libsndfile | 1.0.27-3+deb9u1 | DLA-2418-1 |
| Debian 8 | libsndfile | 1.0.25-9.1+deb8u4 | DLA-1712-1 |
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 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.23 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.22 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.21 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.20 | libsndfile | 1.0.28-r8 | — |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.18 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.17 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.16 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.15 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.14 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.13 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.12 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.11 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.10 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.9 | libsndfile | 1.0.28-r8 | — |
| Alpine v3.8 | libsndfile | 1.0.28-r6 | — |
| Alpine v3.7 | libsndfile | 1.0.28-r5 | — |
Advisories 4
- 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-1712-1 libsndfile - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2418-1 libsndfile - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3832
- https://github.com/erikd/libsndfile/issues/456
- https://github.com/erikd/libsndfile/pull/460
- USN-4013-1 vendor-advisory
- GLSA-202007-65 vendor-advisory
- [debian-lts-announce] 20201029 [SECURITY] [DLA 2418-1] libsndfile security update mailing-list