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 products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GNU | cflow | 1.7 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | cflow | No fix yet | — |
| Debian 13 | cflow | No fix yet | — |
| Debian 12 | cflow | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | cflow | No fix yet | — |
| Ubuntu 26.04 LTS | cflow | No fix yet | — |
| Ubuntu 25.10 | cflow | No fix yet | — |
| Ubuntu 24.04 LTS | cflow | No fix yet | — |
| Ubuntu 22.04 LTS | cflow | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | cflow | No fix yet | — |
| Ubuntu Pro 18.04 LTS | cflow | No fix yet | — |
| Ubuntu Pro 16.04 LTS | cflow | No fix yet | — |
References
- https://vuldb.com/?id.229373 vdb-entry technical-description
- https://vuldb.com/?ctiid.229373 signature permissions-required
- https://github.com/DaisyPo/fuzzing-vulncollect/blob/main/cflow/stack-overflow/parser.c/README.md related
- https://github.com/DaisyPo/fuzzing-vulncollect/files/11343936/poc-file.zip exploit