CVE catalog
CVE-2025-6273
wabt: CVE-2025-6273
- Severity
- Low · CVSS 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.24% · Oct 25, 2026
A vulnerability was found in WebAssembly wabt up to 1.0.37 and classified as problematic. This issue affects the function LogOpcode of the file src/binary-reader-objdump.cc. The manipulation leads to reachable assertion. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The code maintainer explains that this issue might not affect "real world wasm programs".
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 | wabt | sid | 1.0.42+dfsg+~cs1.0.39-2 | vulnerable |
| Debian | wabt | forky | 1.0.42+dfsg+~cs1.0.39-2 | vulnerable |
| Debian | wabt | trixie | 1.0.36+dfsg+~cs1.0.36-2 | vulnerable |
| Debian | wabt | bookworm | 1.0.32-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | wabt | source | sid | (unfixed) | unimportant | Not reported | Not reported |
| Debian | wabt | source | forky | (unfixed) | unimportant | Not reported | Not reported |
| Debian | wabt | source | trixie | (unfixed) | unimportant | Not reported | Not reported |
| Debian | wabt | source | bookworm | (unfixed) | unimportant | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [wabt]Affected
Details (2)
1.0.32-1· amd64 · bookwormAffected
dsa · wabt · debian · bookworm; dsa · wabt · debian · 12
1.0.32-1· arm64 · bookwormAffected
dsa · wabt · debian · bookworm; dsa · wabt · debian · 12
[Debian 13 (Trixie)]
- [wabt]Affected
Details (2)
1.0.36+dfsg+~cs1.0.36-2· amd64 · trixieAffected
dsa · wabt · debian · 13
1.0.36+dfsg+~cs1.0.36-2· arm64 · trixieAffected
dsa · wabt · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-6273]
- [https://security-tracker.debian.org/tracker/CVE-2025-6273]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-6273.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]