GHSA-JX5X-3WF9-9RHG
Vulnerability from github – Published: 2026-05-07 15:38 – Updated: 2026-08-11 15:31Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox ESR 140.10.2 and Firefox ESR 115.35.2.
{
"affected": [],
"aliases": [
"CVE-2026-8091"
],
"database_specific": {
"cwe_ids": [
"CWE-754",
"CWE-805"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-05-07T13:16:14Z",
"severity": "CRITICAL"
},
"details": "Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox ESR 140.10.2 and Firefox ESR 115.35.2.",
"id": "GHSA-jx5x-3wf9-9rhg",
"modified": "2026-08-11T15:31:26Z",
"published": "2026-05-07T15:38:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8091"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26269"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26270"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26491"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26492"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26493"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26521"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26536"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26539"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26551"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26606"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26629"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26630"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:27715"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-8091"
},
{
"type": "WEB",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2029301"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467699"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8091.json"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-30"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-33"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-36"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-39"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-41"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-42"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:19153"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:19157"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:19348"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:19370"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:19588"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:20586"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:21743"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:22324"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:22408"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:22409"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:22410"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:22708"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:22712"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:22847"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:24345"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:24717"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:24718"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:24719"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:24721"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:24844"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:24846"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:25014"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26174"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:26268"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.