Buffer overflow in Libexe Project

CVE-2020-18900

A heap-based buffer overflow in the libexe_io_handle_read_coff_optional_header function of libyal libexe before 20181128. NOTE: the vendor has disputed this as described in libyal/libexe issue 1 on GitHub

Vulnerability class: Buffer Overflow

EPSS: 0.003 (24.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-18900?
CVE-2020-18900 is a low-severity vulnerability in Libexe Project, classified under Out-of-bounds Write. CVSS score: 3.3/10. Published 2021-08-19.
How severe is CVE-2020-18900?
Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2020-18900 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.