CVE-2025-6273
Last modified
CVE-2025-6273 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. 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. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
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".
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Webassembly | Wabt | <= 1.0.37 |
References
- https://github.com/WebAssembly/wabt/issues/2574Exploit, Issue Tracking, Vendor Advisory
- https://vuldb.com/?ctiid.313277Permissions Required, VDB Entry
- https://vuldb.com/?id.313277Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.593010Third Party Advisory, VDB Entry
- https://github.com/WebAssembly/wabt/issues/2574Exploit, Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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