VDB
GHSA-gx9r-x967-x29h
GHSA-gx9r-x967-x29h
PUBLISHED
CVSS 8.800000190734863 HIGH
Record from GitHub Advisory Database · Published December 19, 2023
A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
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-esr | Chainguard | 121.0-r0 |
Risk scores
CVSS 3.1
8.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| chainguard | firefox-esr | 0 |
Timeline
- Dec 19, 2023 CVE Published
- Apr 10, 2026 Security Advisory
- May 1, 2026 Distribution Patch (2 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln GHSA-gx9r-x967-x29h
vulnetix vdb fixes GHSA-gx9r-x967-x29h
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-gx9r-x967-x29h/fixes/registry"
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References
- https://www.debian.org/security/2023/dsa-5581 url
- https://www.debian.org/security/2023/dsa-5582 url
- https://www.mozilla.org/security/advisories/mfsa2023-54 url
- https://www.mozilla.org/security/advisories/mfsa2023-55 url
- https://nvd.nist.gov/vuln/detail/CVE-2023-6859 advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1840144 url
- https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html url
- https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html url
- https://security.gentoo.org/glsa/202401-10 url
- https://www.mozilla.org/security/advisories/mfsa2023-56 url