GHSA-wvmm-cxmc-39xj

GHSA-wvmm-cxmc-39xj PUBLISHED CVSS 9.800000190734863 CRITICAL

Record from GitHub Advisory Database · Published October 14, 2025

Starting in Firefox 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability affects Firefox < 144 and Thunderbird < 144.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
firefox	Wolfi	144.0-r0
firefox	Chainguard	144.0-r0

Risk scores

CVSS 3.1

9.800000190734863

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Vendor	Product	Versions
wolfi	firefox	0
chainguard	firefox	0

Timeline

Oct 14, 2025 CVE Published
May 1, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-wvmm-cxmc-39xj
vulnetix vdb fixes GHSA-wvmm-cxmc-39xj

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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-wvmm-cxmc-39xj/fixes/registry"

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References

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