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No exploitation reportedFix available

CVE-2021-45290

No exploitation reported by the sources we read.

  • Published2021-12-21
  • WeaknessCWE-617

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A Denial of Service vulnerability exits in Binaryen 103 due to an assertion abort in wasm::handle_unreachable.

Timeline

dates in UTC
  1. 2021-12-2118:15CVE publishedNVD

Versions per branch

NVD
Fedoraproject fedora
BranchAffectedFixed in
34.x= 34no fix published
35.x= 35no fix published
Webassembly binaryen
BranchAffectedFixed in
103.x= 103no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • binaryenUbuntu:22.04:LTSall versions · no fixed version listed
  • binaryenUbuntu:20.04:LTSall versions · no fixed version listed
  • binaryenDebian:14all versions · fixed in 104-1
  • binaryenDebian:13all versions · fixed in 104-1
  • binaryenDebian:12all versions · fixed in 104-1

Vendor advisories

  • CVE-2021-45290 Red Hat Product Security

    binaryen: assertion abort in wasm::handle_unreachable

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2021-12-21
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-c9pj-gf53-pg7p

Frequently asked questions

What is CVE-2021-45290?

A Denial of Service vulnerability exits in Binaryen 103 due to an assertion abort in wasm::handle_unreachable.

Is CVE-2021-45290 actively exploited?

Active exploitation of CVE-2021-45290 has not been confirmed. Its EPSS score was 1.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-45290?

CVE-2021-45290 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record