CVE catalog
CVE-2020-23856
cflow: CVE-2020-23856
- Severity
- Low
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.42% · Oct 25, 2026
Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | cflow | sid | 1:1.8-1 | fixed |
| Debian | cflow | forky | 1:1.8-1 | fixed |
| Debian | cflow | trixie | 1:1.7-5 | fixed |
| Debian | cflow | bookworm | 1:1.7-4 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | cflow | source | sid | 1:1.6-6 | unimportant | Not reported | [988985] |
| Debian | cflow | source | forky | 1:1.6-6 | unimportant | Not reported | [988985] |
| Debian | cflow | source | trixie | 1:1.6-6 | unimportant | Not reported | [988985] |
| Debian | cflow | source | bookworm | 1:1.6-6 | unimportant | Not reported | [988985] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [cflow]Fixed
Details (2)
1:1.7-4· amd64 · bookwormFixed · Fixed:
1:1.6-6dsa · cflow · debian · bookworm; dsa · cflow · debian · 12
1:1.7-4· arm64 · bookwormFixed · Fixed:
1:1.6-6dsa · cflow · debian · bookworm; dsa · cflow · debian · 12
- [cflow-doc]Fixed
Source package: [cflow]
Details (2)
1:1.7-4· all · bookwormFixed · Fixed:
1:1.6-6dsa · cflow · debian · bookworm; dsa · cflow · debian · 12
1:1.7-4· all · bookwormFixed · Fixed:
1:1.6-6dsa · cflow · debian · bookworm; dsa · cflow · debian · 12
- [cflow-l10n]Fixed
Source package: [cflow]
Details (2)
1:1.7-4· all · bookwormFixed · Fixed:
1:1.6-6dsa · cflow · debian · bookworm; dsa · cflow · debian · 12
1:1.7-4· all · bookwormFixed · Fixed:
1:1.6-6dsa · cflow · debian · bookworm; dsa · cflow · debian · 12
[Debian 13 (Trixie)]
- [cflow]Fixed
Source package: [cflow]
Details (2)
1:1.7-5· amd64 · trixieFixed · Fixed:
1:1.6-6dsa · cflow · debian · 13
1:1.7-5+b1· arm64 · trixieFixed · Fixed:
1:1.6-6dsa · cflow · debian · 13
- [cflow-doc]Fixed
Source package: [cflow]
Details (2)
1:1.7-5· all · trixieFixed · Fixed:
1:1.6-6dsa · cflow · debian · 13
1:1.7-5· all · trixieFixed · Fixed:
1:1.6-6dsa · cflow · debian · 13
- [cflow-l10n]Fixed
Source package: [cflow]
Details (2)
1:1.7-5· all · trixieFixed · Fixed:
1:1.6-6dsa · cflow · debian · 13
1:1.7-5· all · trixieFixed · Fixed:
1:1.6-6dsa · cflow · debian · 13
Observed: