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TI-2023-11827 Aliases CVE-2023-26924GHSA-472h-pprq-pg3p

LLVM a0dab4950 has a segmentation fault in mlir::outlineSingleBlockRegion.

Priority LOW 25CWE-120Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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."

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00328 26th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:llvm:llvm:2023-01-22:*:*:*:*:*:*:*2023-01-22Vulnerablellvm
  • cpe:2.3:a:llvm:llvm:2023-01-22:*:*:*:*:*:*:* Versions 2023-01-22 Vulnerable ·llvm

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Not affected: 2 products
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-26924
  2. 2026-10-03 Alias added: GHSA-472h-pprq-pg3p

References

  • TI-2023-14087 llvm-project commit a0138390 was discovered to contain a segmentation fault via the… CVSS 3.1MEDIUM 5.5
  • TI-2023-14085 llvm-project commit a0138390 was discovered to contain an assertion failure at… CVSS 3.1MEDIUM 5.5
  • TI-2023-14084 llvm-project commit 6c01b5c was discovered to contain a segmentation fault via the component mlir::Type::getDialect(). CVSS 3.1MEDIUM 5.5
  • TI-2023-14083 llvm-project commit bd456297 was discovered to contain a segmentation fault via the component mlir::Block::getArgument. CVSS 3.1MEDIUM 5.5
  • TI-2023-14082 llvm-project commit fdbc55a5 was discovered to contain a segmentation fault via the… CVSS 3.1MEDIUM 5.5
  • TI-2023-14088 llvm-project commit a0138390 was discovered to contain a segmentation fault via the… CVSS 3.1MEDIUM 5.5
See all 7 →

Sources