GHSA-qxrm-24v6-5c8c

GHSA-qxrm-24v6-5c8c PUBLISHED CVSS 8.800000190734863 HIGH

Record from GitHub Advisory Database · Published May 24, 2022

Incorrect handling of __proto__ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.

Risk scores

CVSS 3.0

8.800000190734863

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Timeline

May 24, 2022 CVE Published
Apr 9, 2026 Distribution Patch (2 in total, the first dated here)
Apr 9, 2026 Security Advisory (3 in total, the first dated here)

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-qxrm-24v6-5c8c
vulnetix vdb fixes GHSA-qxrm-24v6-5c8c

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-qxrm-24v6-5c8c/fixes/registry"

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