What is CVE-2023-47471?

CVE-2023-47471 is a medium-severity vulnerability in Struktur Libde265, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2023-11-16.

How severe is CVE-2023-47471?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Struktur Libde265

CVE-2023-47471

Buffer Overflow vulnerability in strukturag libde265 v1.10.12 allows a local attacker to cause a denial of service via the slice_segment_header function in the slice.cc component.

Vulnerability class: Buffer Overflow

Published 2023-11-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.2th percentile), scored 2026-10-27.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Struktur Libde265 — versions 1.0.12

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

github.com/strukturag/libde265/issues/426 (Issue Tracking, Vendor Advisory)
github.com/strukturag/libde265/commit/e36b4a1b0bafa53df47514c419d5be3e8916ebc7 (Patch, Vendor Advisory)
lists.debian.org/debian-lts-announce/2023/11/msg00032.html (mailing-list)

Frequently asked questions

What is CVE-2023-47471?: CVE-2023-47471 is a medium-severity vulnerability in Struktur Libde265, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2023-11-16.
How severe is CVE-2023-47471?: Medium severity. CVSS v3 base score is 6.5 out of 10.