| Name | CVE-2025-6273 |
| Description | 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". |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| wabt (PTS) | bullseye | 1.0.20-1 | vulnerable |
| bookworm | 1.0.32-1 | vulnerable |
| sid, trixie | 1.0.36+dfsg+~cs1.0.36-2 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| wabt | source | (unstable) | (unfixed) | unimportant | | |
Notes
Crash in CLI tool, no security impact
https://github.com/WebAssembly/wabt/issues/2574