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Vulnerability · Published Jul 19, 2022 · Assigned by redhat

CVE-2022-2476

Medium 5.5

In plain English

A medium-severity null pointer dereference in Wavpack. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.4%top 68.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12wavpack5.5.0-1DEBIAN-CVE-2022-2476
Debian:13wavpack5.5.0-1DEBIAN-CVE-2022-2476
Debian:14wavpack5.5.0-1DEBIAN-CVE-2022-2476
Ubuntu:22.04:LTSwavpackno fix listedUBUNTU-CVE-2022-2476
Ubuntu:25.10wavpackno fix listedUBUNTU-CVE-2022-2476
Ubuntu:26.04:LTSwavpackno fix listedUBUNTU-CVE-2022-2476
Ubuntu:26.10wavpackno fix listedUBUNTU-CVE-2022-2476

Affected products (as reported)

VendorProductVersions
n/a Wavpack 5.5.0

Weakness: CWE-476

References