What is CVE-2025-61147?

CVE-2025-61147 is a medium-severity vulnerability in Struktur Libde265, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2026-02-23.

How severe is CVE-2025-61147?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Buffer overflow in Struktur Libde265

CVE-2025-61147

strukturag libde265 commit d9fea9d wa discovered to contain a segmentation fault via the component decoder_context::compute_framedrop_table().

Vulnerability class: Buffer Overflow

Published 2026-02-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Struktur Libde265

Weakness classification (CWE)

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

References

github.com/strukturag/libde265/issues/484 (Exploit, Issue Tracking)
github.com/strukturag/libde265/commit/8b17e0930f77db07f55e0b89399a8f054ddbecf7 (Patch)
gist.github.com/optionGo/e6567a1c2bc4e0c9fee4e1e8be8d6af9 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-61147?: CVE-2025-61147 is a medium-severity vulnerability in Struktur Libde265, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2026-02-23.
How severe is CVE-2025-61147?: Medium severity. CVSS v3 base score is 6.2 out of 10.