CVE-2023-45931

HIGHNVD 7.57.5—

7.5

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 v3: 7.5
EG Score: 7.5(medium)
EPSS: 43.7%
KEV: Not listed

Published

March 27, 2024

Last Modified

November 4, 2025

References (7)

cve@mitrehttps://gitlab.freedesktop.org/mesa/mesa/-/issues/9859
cve@mitrehttps://seclists.org/fulldisclosure/2024/Jan/71
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/176813/Mesa-23.0.4-Null-Pointer.html
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jan/59
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jan/71
af854a3a-2127-422b-91ae-364da2661108https://gitlab.freedesktop.org/mesa/mesa/-/issues/9859
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/fulldisclosure/2024/Jan/71

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 18× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2023-45931?

CVE-2023-45931 is a high vulnerability published on March 27, 2024. Mesa 23.0.4 was discovered to contain a NULL pointer dereference in checkxshm() for the haserror state. NOTE: this is disputed because there is no scenario in which the vulnerability was demonstrated.

When was CVE-2023-45931 disclosed?

CVE-2023-45931 was first published in the National Vulnerability Database on March 27, 2024, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-45931 actively exploited?

CVE-2023-45931 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-45931?

CVE-2023-45931 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-45931?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-45931, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2023-45931

📅 Published

🔄 Last Modified

🔗 References (7)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-45931?

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References (7)

Frequently asked(5)

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