CVE-2023-2789

Name: CVE-2023-2789
Creator: NVD / NIST
Published: 2023-05-18T13:15:09.507+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.23%

Last modified Jun 17, 2026

CVE-2023-2789 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability was found in GNU cflow 1.7. It has been rated as problematic. EPSS estimates a 1.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.23%

65.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-404

Affected Software

Vendor	Product	Versions
Gnu	Cflow	1.7

References

https://github.com/DaisyPo/fuzzing-vulncollect/blob/main/cflow/stack-overflow/parser.c/README.mdExploit, Third Party Advisory
https://github.com/DaisyPo/fuzzing-vulncollect/files/11343936/poc-file.zipExploit
https://vuldb.com/?ctiid.229373Permissions Required, Third Party Advisory
https://vuldb.com/?id.229373Permissions Required, Third Party Advisory
https://github.com/DaisyPo/fuzzing-vulncollect/blob/main/cflow/stack-overflow/parser.c/README.mdExploit, Third Party Advisory
https://github.com/DaisyPo/fuzzing-vulncollect/files/11343936/poc-file.zipExploit
https://vuldb.com/?ctiid.229373Permissions Required, Third Party Advisory
https://vuldb.com/?id.229373Permissions Required, Third Party Advisory

Timeline

Published: May 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2789?

How severe is CVE-2023-2789?

CVE-2023-2789 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2789?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2789?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST