CVE-2018-12378
Status: ModifiedCritical (9.8)—
A use-after-free vulnerability can occur when an IndexedDB index is deleted while still in use by JavaScript code that is providing payload values to be stored. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Base score: 9.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 3.36%
- Percentile among all scored CVEs: 88
- Score date: 10/7/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (10)
CWEs
- CWE-416
References
- http://www.securityfocus.com/bid/105280
- http://www.securitytracker.com/id/1041610
- https://access.redhat.com/errata/RHSA-2018:2692
- https://access.redhat.com/errata/RHSA-2018:2693
- https://access.redhat.com/errata/RHSA-2018:3403
- https://access.redhat.com/errata/RHSA-2018:3458
- https://bugzilla.mozilla.org/show_bug.cgi?id=1459383
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html
- https://security.gentoo.org/glsa/201810-01
- https://security.gentoo.org/glsa/201811-13
- https://usn.ubuntu.com/3761-1/
- https://usn.ubuntu.com/3793-1/
- https://www.debian.org/security/2018/dsa-4287
- https://www.debian.org/security/2018/dsa-4327
- https://www.mozilla.org/security/advisories/mfsa2018-20/
- https://www.mozilla.org/security/advisories/mfsa2018-21/
- https://www.mozilla.org/security/advisories/mfsa2018-25/
- http://www.securityfocus.com/bid/105280
- http://www.securitytracker.com/id/1041610
- https://access.redhat.com/errata/RHSA-2018:2692
- https://access.redhat.com/errata/RHSA-2018:2693
- https://access.redhat.com/errata/RHSA-2018:3403
- https://access.redhat.com/errata/RHSA-2018:3458
- https://bugzilla.mozilla.org/show_bug.cgi?id=1459383
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html
- https://security.gentoo.org/glsa/201810-01
- https://security.gentoo.org/glsa/201811-13
- https://usn.ubuntu.com/3761-1/
- https://usn.ubuntu.com/3793-1/
- https://www.debian.org/security/2018/dsa-4287
- https://www.debian.org/security/2018/dsa-4327
- https://www.mozilla.org/security/advisories/mfsa2018-20/
- https://www.mozilla.org/security/advisories/mfsa2018-21/
- https://www.mozilla.org/security/advisories/mfsa2018-25/
Raw JSON (NVD)
Show
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"value": "Puede ocurrir una vulnerabilidad de uso de memoria previamente liberada cuando un índice IndexedDB se elimina mientras sigue en uso por parte de código JavaScript que está proporcionando valores de carga útil para que sean almacenados. Esto resulta en un cierre inesperado potencialmente explotable. La vulnerabilidad afecta a Firefox en versiones anteriores a la 62, Firefox ESR en versiones anteriores a la 60.2. y Thunderbird en versiones anteriores a la 60.2.1."
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