Description
An issue was discovered in WavPack 5.1.0 and earlier. The W64 parser component contains a vulnerability that allows writing to memory because ParseWave64HeaderConfig in wave64.c does not reject multiple format chunks.
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 | wavpack | 5.1.0-3 | — |
| Debian 13 | wavpack | 5.1.0-3 | — |
| Debian 12 | wavpack | 5.1.0-3 | — |
| Debian 9 | wavpack | 5.0.0-2+deb9u2 | DSA-4197-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | wavpack | 5.1.0-2ubuntu1.1 | USN-3637-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | wavpack | 5.4.0-4.9.1 | SUSE-SU-2021:0186-1 |
| SLES 15 SP1 | wavpack | 5.4.0-4.9.1 | SUSE-SU-2021:0186-1 |
| SLES 15 | wavpack | 5.4.0-4.9.1 | SUSE-SU-2021:0186-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP1 | wavpack | 5.4.0-4.9.1 | SUSE-SU-2021:0186-1 |
| SLES for SAP 15 | wavpack | 5.4.0-4.9.1 | SUSE-SU-2021:0186-1 |
| SLE HPC 15 SP1 | wavpack | 5.4.0-4.9.1 | SUSE-SU-2021:0186-1 |
| SLE HPC 15 | wavpack | 5.4.0-4.9.1 | SUSE-SU-2021:0186-1 |
| SUSE Manager Server 4.0 | wavpack | 5.4.0-4.9.1 | SUSE-SU-2021:0186-1 |
| SUSE Manager Retail Branch Server 4.0 | wavpack | 5.4.0-4.9.1 | SUSE-SU-2021:0186-1 |
| SUSE Manager Proxy 4.0 | wavpack | 5.4.0-4.9.1 | SUSE-SU-2021:0186-1 |
| SUSE Enterprise Storage 6 | wavpack | 5.4.0-4.9.1 | SUSE-SU-2021:0186-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | wavpack | 5.4.0-lp152.7.3.1 | openSUSE-SU-2021:0153-1 |
| openSUSE Leap 15.1 | wavpack | 5.4.0-lp151.5.6.1 | openSUSE-SU-2021:0154-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | wavpack | 5.1.0-r6 | — |
| Alpine v3.23 | wavpack | 5.1.0-r6 | — |
| Alpine v3.22 | wavpack | 5.1.0-r6 | — |
| Alpine v3.21 | wavpack | 5.1.0-r6 | — |
| Alpine v3.20 | wavpack | 5.1.0-r6 | — |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wavpack | 5.1.0-r6 | — |
| Alpine v3.18 | wavpack | 5.1.0-r6 | — |
| Alpine v3.17 | wavpack | 5.1.0-r6 | — |
| Alpine v3.16 | wavpack | 5.1.0-r6 | — |
| Alpine v3.15 | wavpack | 5.1.0-r6 | — |
| Alpine v3.14 | wavpack | 5.1.0-r6 | — |
| Alpine v3.13 | wavpack | 5.1.0-r6 | — |
| Alpine v3.12 | wavpack | 5.1.0-r6 | — |
| Alpine v3.11 | wavpack | 5.1.0-r6 | — |
| Alpine v3.10 | wavpack | 5.1.0-r6 | — |
| Alpine v3.9 | wavpack | 5.1.0-r6 | — |
| Alpine v3.8 | wavpack | 5.1.0-r6 | — |
| Alpine v3.7 | wavpack | 5.1.0-r2 | — |
| Alpine v3.6 | wavpack | 5.1.0-r2 | — |
| Alpine v3.5 | wavpack | 5.1.0-r2 | — |
| Alpine v3.4 | wavpack | 5.1.0-r2 | — |
Advisories 5
- USN-3637-1 wavpack vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4197-1 wavpack - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2021:0186-1 Security update for wavpack SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0154-1 Security update for wavpack SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0153-1 Security update for wavpack SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/dbry/WavPack/issues/32
- DSA-4197 vendor-advisory
- https://github.com/dbry/WavPack/issues/31
- USN-3637-1 vendor-advisory
- https://github.com/dbry/WavPack/issues/30
- https://github.com/dbry/WavPack/commit/26cb47f99d481ad9b93eeff80d26e6b63bbd7e15
- 20191219 [slackware-security] wavpack (SSA:2019-353-01) mailing-list
- http://packetstormsecurity.com/files/155743/Slackware-Security-Advisory-wavpack-Updates.html
- FEDORA-2020-e55567b6be vendor-advisory
- FEDORA-2020-73274c9df4 vendor-advisory