Buffer overflow in Struktur Libde265

CVE-2023-25221

Libde265 v1.0.10 was discovered to contain a heap-buffer-overflow vulnerability in the derive_spatial_luma_vector_prediction function in motion.cc.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (25.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Struktur Libde265 — versions 1.0.10
Debian Debian_linux — versions 10.0
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

DiRaltvein/memory-corruption-examples

References

cve@mitre.org (Exploit, Patch, Issue Tracking)
cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2023-25221?: CVE-2023-25221 is a high-severity vulnerability in Struktur Libde265, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-03-01.
How severe is CVE-2023-25221?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-25221 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.