8.8

CVE-2023-49467: struktur libde265 Out-of-bounds Write

CVSS: 8.8v3.1HighModified
AliasesALPINE-CVE-2023-49467UBUNTU-CVE-2023-49467DEBIAN-CVE-2023-49467
Published 07-12-2023Last modified 02-08-2024
Open JSON

Vulnerability summary

CVE-2023-49467 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in struktur libde265. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 54.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.77%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
DLA-3699-1USN-6677-1

Timeline

  1. 07-12-2023
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

Libde265 v1.0.14 was discovered to contain a heap-buffer-overflow vulnerability in the derive_combined_bipredictive_merging_candidates function at motion.cc.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.77%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

0.00 pp

From 0.77% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.77%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Libde265

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • libde265< 1.0.15-r0
Debian1 product
  • libde265< 1.0.11-1+deb12u2 | < 1.0.15-1
Struktur1 product
Ubuntu1 product
  • libde265< 1.0.2-2ubuntu0.16.04.1~esm4 | < 1.0.2-2ubuntu0.18.04.1~esm4 | < 1.0.4-1ubuntu0.4 | < 1.0.8-1ubuntu0.3

4 vendors · 4 products

References

7 links