What is CVE-2023-24757?

CVE-2023-24757 is a medium-severity vulnerability in Struktur Libde265, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2023-03-01.

How severe is CVE-2023-24757?

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

NULL pointer dereference in Struktur Libde265

CVE-2023-24757

libde265 v1.0.10 was discovered to contain a NULL pointer dereference in the put_unweighted_pred_16_fallback function at fallback-motion.cc. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input file.

Published 2023-03-01 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.003 (19.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Struktur Libde265 — versions 1.0.10
Debian Linux — versions 10.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/strukturag/libde265/issues/385 (Exploit, Patch, Issue Tracking)
lists.debian.org/debian-lts-announce/2023/03/msg00004.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2023-24757?: CVE-2023-24757 is a medium-severity vulnerability in Struktur Libde265, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2023-03-01.
How severe is CVE-2023-24757?: Medium severity. CVSS v3 base score is 5.5 out of 10.