Libde265 v1.0.11 was discovered to contain a heap buffer overflow via the function derive_collocated_motion_vectors at motion.cc.
Conclusion & alert: CVE-2023-27103 is rated High Exploit Risk (73.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.51%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-22 | 0.62% | 0.51% | -0.11% |
| 2 | 2026-01-09 | 0.55% | 0.62% | +0.07% |
| 3 | 2025-11-21 | — | 0.55% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2023-27103: 1 source package rows (libde265); 15 state rows across 7 repos (3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 9, open 6. | https://security.alpinelinux.org/vuln/CVE-2023-27103 |
debian
|
not yet assigned | CVE-2023-27103 not yet assigned priority: Debian including 1 source packages (libde265), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2023-27103 |
ubuntu
|
medium | CVE-2023-27103 medium priority: Ubuntu including 1 source packages (libde265), 10 status rows across 10 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, trusty, upstream, xenial): released 4, ignored 3, not-affected 2, needs-triage 1. | https://ubuntu.com/security/CVE-2023-27103 |
| URL | Tags |
|---|---|
| https://github.com/strukturag/libde265/issues/394 | Exploit Issue Tracking Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2023/11/msg00032.html |