VDB
GHSA-r38v-527h-36cj
GHSA-r38v-527h-36cj
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Record from GitHub Advisory Database · Published January 13, 2026
Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, and Firefox ESR < 140.7.
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 | 140.7-r0 |
| firefox-esr | Chainguard | 140.7-r0 |
| firefox | Chainguard | 140.7-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-esr | 0 |
| chainguard | firefox | 0 |
Timeline
- Jan 13, 2026 CVE Published
- May 1, 2026 Security Advisory
- Aug 6, 2026 Distribution Patch (23 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln GHSA-r38v-527h-36cj
vulnetix vdb fixes GHSA-r38v-527h-36cj
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-r38v-527h-36cj/fixes/registry"
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References
- https://nvd.nist.gov/vuln/detail/CVE-2026-0879 advisory
- https://www.mozilla.org/security/advisories/mfsa2026-01 url
- https://www.mozilla.org/security/advisories/mfsa2026-02 url
- https://www.mozilla.org/security/advisories/mfsa2026-03 url
- https://www.mozilla.org/security/advisories/mfsa2026-04 url
- https://access.redhat.com/errata/RHSA-2026:0667 url
- https://access.redhat.com/errata/RHSA-2026:2073 url
- https://access.redhat.com/errata/RHSA-2026:2074 url
- https://access.redhat.com/errata/RHSA-2026:2220 url
- https://access.redhat.com/errata/RHSA-2026:2231 url
- https://access.redhat.com/errata/RHSA-2026:2271 url
- https://access.redhat.com/errata/RHSA-2026:2286 url
- https://access.redhat.com/security/cve/CVE-2026-0879 url
- https://bugzilla.mozilla.org/show_bug.cgi?id=2004602 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2428973 url
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0879.json url
- https://www.mozilla.org/security/advisories/mfsa2026-05 url
- https://access.redhat.com/errata/RHSA-2026:0694 url
- https://access.redhat.com/errata/RHSA-2026:0924 url
- https://access.redhat.com/errata/RHSA-2026:1320 url
…and 13 more