# CVE-2022-2476: wavpack: A null pointer dereference bug was found in wavpack-5.4.0 The results from the ASAN log: AddressSanitizer:DEADLYSIGNA...

CVE-2022-2476 is fixed in wavpack on 1 platform, first by DEBIAN-CVE-2022-2476, released July 19, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-2476
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0038
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 19, 2022

## 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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | wavpack Debian 12.15 (bookworm) | 5.5.0-1 | [DEBIAN-CVE-2022-2476](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2476.md) | Jul 19, 2022 |
| Linux | wavpack Debian 13.5 (trixie) | 5.5.0-1 | [DEBIAN-CVE-2022-2476](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2476.md) | Jul 19, 2022 |
| Linux | wavpack Debian 14 | 5.5.0-1 | [DEBIAN-CVE-2022-2476](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2476.md) | Jul 19, 2022 |

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