What is CVE-2022-2476?

CVE-2022-2476 is a medium-severity vulnerability in Wavpack, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2022-07-19.

How severe is CVE-2022-2476?

Medium severity. CVSS v3 base score is 5.5 out of 10.

NULL pointer dereference in Wavpack

CVE-2022-2476

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

EPSS: 0.004 (29.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Wavpack — versions 5.4.0
Fedoraproject Fedora — versions 35, 36
N/a Wavpack — versions 5.5.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

secalert@redhat.com (Exploit, Third Party Advisory, Issue Tracking)
secalert@redhat.com (vendor-advisory)
secalert@redhat.com (vendor-advisory)

Frequently asked questions

What is CVE-2022-2476?: CVE-2022-2476 is a medium-severity vulnerability in Wavpack, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2022-07-19.
How severe is CVE-2022-2476?: Medium severity. CVSS v3 base score is 5.5 out of 10.