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TI-2023-02612 Aliases CVE-2023-2789GHSA-h6vj-vg8j-jfqp

GNU cflow parser.c parse_variable_declaration denial of service

Priority LOW 35CWE-404Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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-404.

Summary

A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. This issue affects the function func_body/parse_variable_declaration of the file parser.c. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. The identifier VDB-229373 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

EPSS 0.01234 69th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
GNUcflow1.7—No fix listedCNA
  • cflow VendorGNU Affected 1.7 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnu:cflow:1.7:*:*:*:*:*:*:*1.7VulnerableGNU
  • cpe:2.3:a:gnu:cflow:1.7:*:*:*:*:*:*:* Versions 1.7 Vulnerable ·GNU

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-2789
  2. 2026-10-03 Alias added: GHSA-h6vj-vg8j-jfqp

References

Exploit 2

  • TI-2019-12152 GNU cflow through 1.6 has a heap-based buffer over-read in the nexttoken function in parser.c. CVSS 3.1MEDIUM 6.5
  • TI-2019-12151 GNU cflow through 1.6 has a use-after-free in the reference function in parser.c. CVSS 3.1MEDIUM 6.5
  • TI-2020-14693 Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function… CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences