What is CVE-2023-27102?

CVE-2023-27102 is a medium-severity vulnerability in Struktur Libde265, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2023-03-15.

How severe is CVE-2023-27102?

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

NULL pointer dereference in Struktur Libde265

CVE-2023-27102

Libde265 v1.0.11 was discovered to contain a segmentation violation via the function decoder_context::process_slice_segment_header at decctx.cc.

Published 2023-03-15 · 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: 0.007 (51.7th percentile), scored 2026-10-27.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Struktur Libde265 — versions 1.0.11

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/strukturag/libde265/issues/393 (Exploit, Third Party Advisory, Issue Tracking)
lists.debian.org/debian-lts-announce/2023/11/msg00032.html (mailing-list)

Frequently asked questions

What is CVE-2023-27102?: CVE-2023-27102 is a medium-severity vulnerability in Struktur Libde265, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2023-03-15.
How severe is CVE-2023-27102?: Medium severity. CVSS v3 base score is 6.5 out of 10.