7.5

CVE-2023-45931: mesa3d mesa NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
AliasesDEBIAN-CVE-2023-45931
Published 27-03-2024Last modified 04-11-2025

Vulnerability summary

CVE-2023-45931 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in mesa3d mesa. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.03%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 27-03-2024
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

Description

Mesa 23.0.4 was discovered to contain a NULL pointer dereference in check_xshm() for the has_error state. NOTE: this is disputed because there is no scenario in which the vulnerability was demonstrated.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.03%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

0.00 pp

From 1.03% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.03%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.freedesktop.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • mesaAll versions (No fix recorded)
Mesa3d1 product

2 vendors · 2 products

References

6 links