Description
A null pointer dereference bug was found in wavpack-5.4.0 The results from the ASAN log: AddressSanitizer:DEADLYSIGNAL ===================================================================84257==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x561b47a970c6 bp 0x7fff13952fb0 sp 0x7fff1394fca0 T0) ==84257==The signal is caused by a WRITE memory access. ==84257==Hint: address points to the zero page. #0 0x561b47a970c5 in main cli/wvunpack.c:834 #1 0x7efc4f5c0082 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24082) #2 0x561b47a945ed in _start (/usr/local/bin/wvunpack+0xa5ed) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV cli/wvunpack.c:834 in main ==84257==ABORTING
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Wavpack | 5.5.0 | — |
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 | 5.5.0-1 | — |
| Debian 13 | wavpack | 5.5.0-1 | — |
| Debian 12 | wavpack | 5.5.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | wavpack | No fix yet | — |
| Ubuntu 26.04 LTS | wavpack | No fix yet | — |
| Ubuntu 25.10 | wavpack | No fix yet | — |
| Ubuntu 22.04 LTS | wavpack | No fix yet | — |
| Ubuntu 20.04 LTS | wavpack | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | wavpack | No fix yet | — |
| Ubuntu Pro 16.04 LTS | wavpack | 4.75.2-2ubuntu0.2+esm1 | USN-5721-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | wavpack | 5.4.0-150000.4.15.1 | SUSE-SU-2022:2681-1 |
| SLES 15 SP3 | wavpack | 5.4.0-150000.4.15.1 | SUSE-SU-2022:2681-1 |
| SLES 12 SP5 | wavpack | 4.60.99-5.12.1 | SUSE-SU-2022:2682-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | wavpack | 4.60.99-5.12.1 | SUSE-SU-2022:2682-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | wavpack | 5.4.0-150000.4.15.1 | SUSE-SU-2022:2681-1 |
| openSUSE Leap 15.3 | wavpack | 5.4.0-150000.4.15.1 | SUSE-SU-2022:2681-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | wavpack +1 | 4.60.1-9.amzn2.0.3 | ALAS2-2023-2213 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | wavpack | 5.6.0-1 | — |
Advisories 4
- USN-5721-1 wavpack vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026
- SUSE-SU-2022:2682-1 Security update for wavpack SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2681-1 Security update for wavpack SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2023-2213 Low: wavpack security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 23, 2023
References
- https://github.com/dbry/WavPack/issues/121
- FEDORA-2022-ca2f721916 vendor-advisory
- FEDORA-2022-c9c086b06f vendor-advisory