Description
Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
Published: 2026-10-13
Score: 5.4 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Tue, 13 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 13 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Description Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, and Firefox ESR 153.5. Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
References

Tue, 13 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

Tue, 13 Oct 2026 13:00:00 +0000

Type Values Removed Values Added
Description Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, and Firefox ESR 153.5.
Title Use-after-free in the JavaScript Engine: JIT component
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-10-13T18:16:38.102Z

Reserved: 2026-10-13T00:29:35.614Z

Link: CVE-2026-109729

cve-icon Vulnrichment

Updated: 2026-10-13T14:13:32.220Z

cve-icon NVD

Status : Deferred

Published: 2026-10-13T13:17:23.430

Modified: 2026-10-13T19:18:36.833

Link: CVE-2026-109729

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses