Low severity3.3NVD Advisory· Published Dec 19, 2025· Updated Apr 29, 2026
CVE-2025-14957
CVE-2025-14957
Description
A vulnerability was identified in WebAssembly Binaryen up to 125. This affects the function IRBuilder::makeLocalGet/IRBuilder::makeLocalSet/IRBuilder::makeLocalTee of the file src/wasm/wasm-ir-builder.cpp of the component IRBuilder. Such manipulation of the argument Index leads to null pointer dereference. Local access is required to approach this attack. The exploit is publicly available and might be used. The name of the patch is 6fb2b917a79578ab44cf3b900a6da4c27251e0d4. Applying a patch is advised to resolve this issue.
Affected products
1Patches
16fb2b917a795Vulnerability mechanics
Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
8- github.com/WebAssembly/binaryen/commit/6fb2b917a79578ab44cf3b900a6da4c27251e0d4nvdPatch
- github.com/WebAssembly/binaryen/issues/8090nvdExploitIssue TrackingThird Party Advisory
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- github.com/WebAssembly/binaryen/pull/8099nvdIssue Tracking
- github.com/oneafter/1204/blob/main/af1nvdNot Applicable
- vuldb.comnvdPermissions RequiredVDB Entry
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