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Vulnerability · Published May 18, 2023 · Assigned by VulDB

CVE-2023-2789GNU cflow parser.c parse_variable_declaration denial of service

Low 3.5

In plain English

A low-severity security flaw in cflow from GNU. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low
Exploit odds (30 days)1.2%top 30.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12cflowno fix listedDEBIAN-CVE-2023-2789
Debian:13cflowno fix listedDEBIAN-CVE-2023-2789
Debian:14cflowno fix listedDEBIAN-CVE-2023-2789
Ubuntu:22.04:LTScflowno fix listedUBUNTU-CVE-2023-2789
Ubuntu:24.04:LTScflowno fix listedUBUNTU-CVE-2023-2789
Ubuntu:25.10cflowno fix listedUBUNTU-CVE-2023-2789
Ubuntu:26.04:LTScflowno fix listedUBUNTU-CVE-2023-2789
Ubuntu:26.10cflowno fix listedUBUNTU-CVE-2023-2789

Affected products (as reported)

VendorProductVersions
GNU cflow 1.7

Weakness: CWE-404 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References