CVE-2026-8257
5.5 MoyenneDescription
A vulnerability was detected in WebAssembly Binaryen up to 117. This issue affects the function IRBuilder::makeBrOn of the file src/wasm/wasm-ir-builder.cpp of the component BrOn Parser. Performing a manipulation results in reachable assertion. The attack needs to be approached locally. The exploit is now public and may be used. The patch is named 1251efbc1ea471c1311d2726b2bbe061ff2a291c. It is suggested to install a patch to address this issue.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 4.0 | 1.9 Faible | cna@vuldb.com | 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 |
| 3.1 | 3.3 Faible | cna@vuldb.com | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| 3.1 | 5.5 Moyenne | nvd@nist.gov (NVD) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | 1.7 Faible | cna@vuldb.com | AV:L/AC:L/Au:S/C:N/I:N/A:P |
Faiblesses (CWE)
Références
- https://github.com/HackC0der/CVE-Repos/blob/main/wasm-binaryen/Assertion_Failure_isRef_wasm_Type_getHeapType_commit_3ef8d19 Exploit
- https://github.com/WebAssembly/binaryen/ Product
- https://github.com/WebAssembly/binaryen/commit/1251efbc1ea471c1311d2726b2bbe061ff2a291c Patch
- https://github.com/WebAssembly/binaryen/issues/8633 ExploitIssue TrackingThird Party Advisory
- https://github.com/WebAssembly/binaryen/pull/8635 MitigationPatch
- https://vuldb.com/submit/809552 Third Party AdvisoryVDB Entry
- https://vuldb.com/vuln/362554 Third Party AdvisoryVDB Entry
- https://vuldb.com/vuln/362554/cti Permissions RequiredVDB Entry