Buffer overflow in Wavpack
CVE-2020-35738
WavPack 5.3.0 has an out-of-bounds write in WavpackPackSamples in pack_utils.c because of an integer overflow in a malloc argument. NOTE: some third-parties claim that there are later "unofficial" releases through 5.3.2, which are also affected.
Vulnerability class: Integer Overflow
EPSS: 0.012 (64.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H.
Affected products
- Wavpack — versions 5.3.0
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 32, 33
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2020-35738?
- CVE-2020-35738 is a medium-severity vulnerability in Wavpack, classified under Integer Overflow or Wraparound. CVSS score: 6.1/10. Published 2020-12-28.
- How severe is CVE-2020-35738?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2020-35738 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.