CVE-2018-18493
Estado: ModificadaCrítica (9.8)—
A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 4.98%
- Percentil entre todas las CVEs puntuadas: 92
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (10)
CWE
- CWE-119
Referencias
- http://www.securityfocus.com/bid/106168
- https://access.redhat.com/errata/RHSA-2018:3831
- https://access.redhat.com/errata/RHSA-2018:3833
- https://access.redhat.com/errata/RHSA-2019:0159
- https://access.redhat.com/errata/RHSA-2019:0160
- https://bugzilla.mozilla.org/show_bug.cgi?id=1504452
- https://lists.debian.org/debian-lts-announce/2018/12/msg00002.html
- https://security.gentoo.org/glsa/201903-04
- https://usn.ubuntu.com/3844-1/
- https://usn.ubuntu.com/3868-1/
- https://www.debian.org/security/2018/dsa-4354
- https://www.debian.org/security/2019/dsa-4362
- https://www.mozilla.org/security/advisories/mfsa2018-29/
- https://www.mozilla.org/security/advisories/mfsa2018-30/
- https://www.mozilla.org/security/advisories/mfsa2018-31/
- http://www.securityfocus.com/bid/106168
- https://access.redhat.com/errata/RHSA-2018:3831
- https://access.redhat.com/errata/RHSA-2018:3833
- https://access.redhat.com/errata/RHSA-2019:0159
- https://access.redhat.com/errata/RHSA-2019:0160
- https://bugzilla.mozilla.org/show_bug.cgi?id=1504452
- https://lists.debian.org/debian-lts-announce/2018/12/msg00002.html
- https://security.gentoo.org/glsa/201903-04
- https://usn.ubuntu.com/3844-1/
- https://usn.ubuntu.com/3868-1/
- https://www.debian.org/security/2018/dsa-4354
- https://www.debian.org/security/2019/dsa-4362
- https://www.mozilla.org/security/advisories/mfsa2018-29/
- https://www.mozilla.org/security/advisories/mfsa2018-30/
- https://www.mozilla.org/security/advisories/mfsa2018-31/
JSON original (NVD)
Mostrar
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