Libde265 1.0.9 is vulnerable to Buffer Overflow in function void put_qpel_fallback<unsigned short>

published 2023-01-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-50414

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 34%
public exploits: 0; none known

Patch / fix

distros 2

debian alpine

libde265 Debian 14, Debian 13, Debian 12 1.0.9-1.1

debian advisories DEBIAN-CVE-2022-47655

libde265 Alpine 3.24, Alpine 3.23, Alpine 3.22 +8 more 1.0.11-r0

alpine advisories ALPINE-CVE-2022-47655

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-47655 updated 2025-11-21

libde265: 1.0.9 is vulnerable to Buffer Overflow in function void put_qpel_fallback

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 18 mo ago (2025-04-10)

Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/strukturag/libde265/issues/367 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

Weakness

CWE-787 Out-of-bounds Write

References

github.com /strukturag/libde265/issues/367
exploit, issue-tracking, third-party-advisory
debian.org /security/2023/dsa-5346
vendor-advisory
lists.debian.org /debian-lts-announce/2023/01/msg00020.html
mailing-list, third-party-advisory

Sources

CVE List CVE-2022-47655
NVD CVE-2022-47655

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary