GHSA-xp5g-gff9-qvvx

GHSA-xp5g-gff9-qvvx PUBLISHED CVSS 6.5 MEDIUM

Record from GitHub Advisory Database · Published October 14, 2025

There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.

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	140.4-r0
firefox-esr	Chainguard	140.4-r0
firefox	Chainguard	140.4-r0

Risk scores

CVSS 3.1

6.5

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

Affected products

Vendor	Product	Versions
wolfi	firefox	0
chainguard	firefox-esr	0
chainguard	firefox	0

Timeline

Oct 14, 2025 CVE Published
Apr 10, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-xp5g-gff9-qvvx
vulnetix vdb fixes GHSA-xp5g-gff9-qvvx

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-xp5g-gff9-qvvx/fixes/registry"

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References

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