7.8

CVE-2023-25221: debian debian_linux Out-of-bounds Write

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2023-25221DEBIAN-CVE-2023-25221
Published 01-03-2023Last modified 07-03-2025
Open JSON

Vulnerability summary

CVE-2023-25221 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.33%
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 4 · Related 1
DLA-3352-1DSA-5346-1MGASA-2023-0093USN-6659-1

Timeline

  1. 01-03-2023
    PublishedVulnerability first disclosed.
  2. 07-03-2025
    Last modifiedVulnerability information updated.

Description

Libde265 v1.0.10 was discovered to contain a heap-buffer-overflow vulnerability in the derive_spatial_luma_vector_prediction function in motion.cc.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

0.00 pp

From 0.33% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.33%

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

Debian2 products
Struktur1 product
Ubuntu1 product
  • libde265< 1.0.2-2ubuntu0.16.04.1~esm3 | < 1.0.2-2ubuntu0.18.04.1~esm3 | < 1.0.4-1ubuntu0.3 | < 1.0.8-1ubuntu0.2

3 vendors · 4 products

References

6 links