
CVE catalog
CVE-2023-31973
yasm: CVE-2023-31973
- Severity
- Low
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.31% · Oct 25, 2026
yasm v1.3.0 was discovered to contain a use after free via the function expand_mmac_params at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.
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 | yasm | sid | 1.3.0-8 | vulnerable |
| Debian | yasm | forky | 1.3.0-8 | vulnerable |
| Debian | yasm | trixie | 1.3.0-7 | vulnerable |
| Debian | yasm | bookworm | 1.3.0-4 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | yasm | source | sid | (unfixed) | unimportant | Not reported | Not reported |
| Debian | yasm | source | forky | (unfixed) | unimportant | Not reported | Not reported |
| Debian | yasm | source | trixie | (unfixed) | unimportant | Not reported | Not reported |
| Debian | yasm | source | bookworm | (unfixed) | unimportant | Not reported | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.