CVE-2023-2789: gnu cflow Improper Resource Shutdown or Release
Vulnerability summary
CVE-2023-2789 is a high (CVSS 7.5) Improper Resource Shutdown or Release vulnerability in gnu cflow. EPSS estimates a 1.23% chance of exploitation in the next 30 days, higher than 68.6% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 18-05-2023PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
7 scores · 4 sources · 3 versions- CVE.orgCNA3.5LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST2.7LowAV:A/AC:L/Au:S/C:N/I:N/A:P
EPSS trend
Probability
1.23%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.23% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundFuzzing Vulncollect
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- cflowAll versions (No fix recorded)
Gnu1 product
- cflow1.7
Ubuntu1 product
- cflowAll versions (No fix recorded)
3 vendors · 3 products
References
7 links- github.com/DaisyPo/fuzzing-vulncollect/blob/main/cflow/stack-overflow/parser.c/README.mdRelatedREPORTExploitThird Party Advisory
