← All advisories

Medium severity5.5NVD Advisory· Published Dec 21, 2021· Updated Jun 17, 2026

CVE-2021-45293

CVE-2021-45293

Description

A Denial of Service vulnerability exists in Binaryen 103 due to an Invalid memory address dereference in wasm::WasmBinaryBuilder::visitLet.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

5

Webassembly/Binaryen2 versions
cpe:2.3:a:webassembly:binaryen:103:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:webassembly:binaryen:103:*:*:*:*:*:*:*
- (no CPE)range: <103
Fedoraproject/Fedora2 versions
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Binaryen/Binaryendescription

Patches

Vulnerability mechanics

References

3

github.com/WebAssembly/binaryen/issues/4384nvdExploitIssue TrackingPatchThird Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UKGCHPS7UAIOOBGSXDJAUFE5CROTTF6J/nvd
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YCWLB4PWYQO55F7IGNC7KUYN2MFZE3JP/nvd

News mentions

0

No linked articles in our index yet.