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CVE-2025-6274
WebAssembly wabt binary-reader-interp.cc OnDataCount resource consumption
Medium4.8EPSS 0.24%
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been classified as problematic. Affected is the function OnDataCount of the file src/interp/binary-reader-interp.cc. The manipulation leads to resource consumption. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. A similar issue reported during the same timeframe was disputed by the code maintainer because it might not affect "real world wasm programs". Therefore, this entry might get disputed as well in the future.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium4.8 | 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 |
| VulDBCNA (assigner) | 3.1 | Low3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 3.0 | Low3.3 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 2.0 | Low1.7 | AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR |
| NVDNVD · Analyzed | 4.0 | Low1.9 | 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 |
- EPSS (exploitation in 30 days)
- 0.24% · top 85% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.
Weakness
Affected products
- affected 1.0.0
- affected 1.0.1
- affected 1.0.2
- affected 1.0.3
- affected 1.0.4
- affected 1.0.5
- affected 1.0.6
- affected 1.0.7
- affected 1.0.8
- affected 1.0.9
- affected 1.0.10
- affected 1.0.11
- affected 1.0.12
- affected 1.0.13
- affected 1.0.14
- affected 1.0.15
- affected 1.0.16
- affected 1.0.17
- affected 1.0.18
- affected 1.0.19
- affected 1.0.20
- affected 1.0.21
- affected 1.0.22
- affected 1.0.23
- affected 1.0.24
- affected 1.0.25
- affected 1.0.26
- affected 1.0.27
- affected 1.0.28
- affected 1.0.29
- affected 1.0.30
- affected 1.0.31
- affected 1.0.32
- affected 1.0.33
- affected 1.0.34
- affected 1.0.35
- affected 1.0.36
- affected 1.0.37
References (5)
- VDB-313278 | WebAssembly wabt binary-reader-interp.cc OnDataCount resource consumption (opens in a new tab)vdb-entrytechnical-description
- VDB-313278 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- Submit #593016 | WebAssembly wabt wabt 1.0.37 (commit a60eb26) Uncontrolled Memory Allocation (opens in a new tab)third-party-advisory
- https://github.com/WebAssembly/wabt/issues/2598 (opens in a new tab)issue-trackingexploit
- https://github.com/user-attachments/files/20191325/wabt_crash_4.txt (opens in a new tab)exploit
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-6274)Record last updated .