What is CVE-2023-26924?

CVE-2023-26924 is a medium-severity vulnerability in Llvm, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2023-03-27.

How severe is CVE-2023-26924?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2023-26924 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Llvm

CVE-2023-26924

LLVM a0dab4950 has a segmentation fault in mlir::outlineSingleBlockRegion. NOTE: third parties dispute this because the LLVM security policy excludes "Language front-ends ... for which a malicious input file can cause undesirable behavior."

Vulnerability class: Buffer Overflow

EPSS: 0.003 (25.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Llvm — versions 2023-01-22
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
cve@mitre.org (Third Party Advisory)
cve@mitre.org

Frequently asked questions

What is CVE-2023-26924?: CVE-2023-26924 is a medium-severity vulnerability in Llvm, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2023-03-27.
How severe is CVE-2023-26924?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-26924 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.