Buffer overflow in Struktur Libde265
CVE-2020-21599
libde265 v1.0.4 contains a heap buffer overflow in the de265_image::available_zscan function, which can be exploited via a crafted a 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: 0.014 (72.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Struktur Libde265 — versions 1.0.4
- Debian Linux — versions 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/strukturag/libde265/issues/235 (Exploit, Issue Tracking)
- lists.debian.org/debian-lts-announce/2022/12/msg00027.html (mailing-list, Mailing List, Issue Tracking)
- www.debian.org/security/2023/dsa-5346 (vendor-advisory, Mailing List, Issue Tracking)
Frequently asked questions
- What is CVE-2020-21599?
- CVE-2020-21599 is a medium-severity vulnerability in Struktur Libde265, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-09-16.
- How severe is CVE-2020-21599?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-21599 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.