Description
The ParseCaffHeaderConfig function of the cli/caff.c file of WavPack 5.1.0 allows a remote attacker to cause a denial-of-service (global buffer over-read), or possibly trigger a buffer overflow or incorrect memory allocation, via a maliciously crafted CAF 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 | 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+deb9u1 | DSA-4125-1 |
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 Tumbleweed | wavpack | 5.4.0-1.6 | openSUSE-SU-2024:11505-1 |
| 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-r3 | — |
| Alpine v3.23 | wavpack | 5.1.0-r3 | — |
| Alpine v3.22 | wavpack | 5.1.0-r3 | — |
| Alpine v3.21 | wavpack | 5.1.0-r3 | — |
| Alpine v3.20 | wavpack | 5.1.0-r3 | — |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wavpack | 5.1.0-r3 | — |
| Alpine v3.18 | wavpack | 5.1.0-r3 | — |
| Alpine v3.17 | wavpack | 5.1.0-r3 | — |
| Alpine v3.16 | wavpack | 5.1.0-r3 | — |
| Alpine v3.15 | wavpack | 5.1.0-r3 | — |
| Alpine v3.14 | wavpack | 5.1.0-r3 | — |
| Alpine v3.13 | wavpack | 5.1.0-r3 | — |
| Alpine v3.12 | wavpack | 5.1.0-r3 | — |
| Alpine v3.11 | wavpack | 5.1.0-r3 | — |
| Alpine v3.10 | wavpack | 5.1.0-r3 | — |
| Alpine v3.9 | wavpack | 5.1.0-r3 | — |
| Alpine v3.8 | wavpack | 5.1.0-r3 | — |
| Alpine v3.7 | wavpack | 5.1.0-r1 | — |
| Alpine v3.6 | wavpack | 5.1.0-r1 | — |
| Alpine v3.5 | wavpack | 5.1.0-r1 | — |
| Alpine v3.4 | wavpack | 5.1.0-r1 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Wavpack 5.1.0 - Denial of Service EDB-44154 · dos · Feb 21, 2018
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 5
- DSA-4125-1 wavpack - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:11505-1 libwavpack1-32bit-5.4.0-1.6 on GA media SUSE / openSUSE Security Updates · Feb 4, 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/commit/8e3fe45a7bac31d9a3b558ae0079e2d92a04799e
- USN-3578-1 vendor-advisory
- DSA-4125 vendor-advisory
- https://github.com/dbry/WavPack/issues/26
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=889274
- 44154 exploit
- 20191219 [slackware-security] wavpack (SSA:2019-353-01) mailing-list
- http://packetstormsecurity.com/files/155743/Slackware-Security-Advisory-wavpack-Updates.html