Buffer overflow in Struktur Libde265
CVE-2022-43240
Libde265 v1.0.8 was discovered to contain a heap-buffer-overflow vulnerability via ff_hevc_put_hevc_qpel_h_2_v_1_sse in sse-motion.cc. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted video file.
Vulnerability class: Buffer Overflow
Published · last modified .
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: 0.009 (58.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Struktur Libde265 — versions 1.0.8
- Debian Linux — versions 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/strukturag/libde265/issues/335 (Exploit, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2023/01/msg00020.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2023/dsa-5346 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-43240?
- CVE-2022-43240 is a medium-severity vulnerability in Struktur Libde265, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2022-11-02.
- How severe is CVE-2022-43240?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2022-43240 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.