CVE-2023-2789
CVE-2023-2789 is a low-severity vulnerability in Gnu Cflow with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-404.
Key facts
- Severity: Low (CVSS 3.x base score 3.5)
- CVSS v2: 2.7
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-404
- Affected product: Gnu Cflow
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-2789?
- 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.
- How severe is CVE-2023-2789?
- CVE-2023-2789 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2023-2789 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-2789?
- CVE-2023-2789 affects Gnu Cflow. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-2789?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-2789 published?
- CVE-2023-2789 was published on 2023-05-18 and last updated on 2026-06-17.
References
- https://github.com/DaisyPo/fuzzing-vulncollect/blob/main/cflow/stack-overflow/parser.c/README.md
- https://github.com/DaisyPo/fuzzing-vulncollect/files/11343936/poc-file.zip
- https://vuldb.com/?ctiid.229373
- https://vuldb.com/?id.229373
Affected products (1)
- cpe:2.3:a:gnu:cflow:1.7:*:*:*:*:*:*:*
More vulnerabilities in Gnu Cflow
- CVE-2019-16166 — Medium (CVSS 6.5): GNU cflow through 1.6 has a heap-based buffer over-read in the nexttoken function in parser.c.
- CVE-2019-16165 — Medium (CVSS 6.5): GNU cflow through 1.6 has a use-after-free in the reference function in parser.c.
- CVE-2020-23856 — Medium (CVSS 5.5): Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could…
All CVEs affecting Gnu Cflow →
Other CWE-404 vulnerabilities
- CVE-2023-24444 — Critical (CVSS 9.8): Jenkins OpenID Plugin 2.4 and earlier does not invalidate the previous session on login.
- CVE-2024-31611 — Critical (CVSS 9.1): SeaCMS 12.9 has a file deletion vulnerability via admin_template.php.
- CVE-2018-8450 — High (CVSS 8.8): A remote code execution vulnerability exists when Windows Search handles objects in memory, aka "Windows Search Remote…
- CVE-2026-11317 — High (CVSS 8.7): A denial of service security issue exists in the affected product. The security issue stems from a fault occurring when…
- CVE-2022-25762 — High (CVSS 8.6): If a web application sends a WebSocket message concurrently with the WebSocket connection closing when running on…
- CVE-2020-26070 — High (CVSS 8.6): A vulnerability in the ingress packet processing function of Cisco IOS XR Software for Cisco ASR 9000 Series…