crítica
CVE-2017-7749
Mozilla: Use-after-free during docshell reloading (MFSA 2017-16)
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.
Severidad por fuente
NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
La etiqueta propia de Trivy es CRITICAL. Crítica según NVD. Más baja según Red Hat (alta), Oracle (alta), Ubuntu (media).
Descripción
A use-after-free vulnerability when using an incorrect URL during the reloading of a docshell. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| debian 11 | firefox-esr | 52.2.0esr-1 |
| debian 12 | firefox-esr | 52.2.0esr-1 |
| debian 13 | firefox-esr | 52.2.0esr-1 |
| debian 14 | firefox-esr | 52.2.0esr-1 |
| debian 7 | firefox-esr, icedove | 52.2.0esr-1~deb7u1 y 1 más |
| debian 8 | firefox-esr, icedove | 52.2.0esr-1~deb8u1 y 1 más |
| debian 9 | firefox-esr, icedove | 52.2.0esr-1~deb9u1 y 1 más |
| echo | firefox-esr | 52.2.0esr-1 |
| Oracle Linux 6 | firefox, thunderbird | 52.2.0-1.0.1.el6_9 |
| Oracle Linux 7 | firefox, thunderbird | 52.2.0-1.0.1.el7_3 |
| ubuntu 14.04 | firefox, thunderbird | 54.0+build3-0ubuntu0.14.04.1 y 1 más |
| ubuntu 16.04 | firefox, thunderbird | 54.0+build3-0ubuntu0.16.04.1 y 1 más |
Mostrar las 23 entradas de 14 fuentes
| Fuente | Paquete | Corregido en |
|---|---|---|
| debian 11 | firefox-esr | 52.2.0esr-1 |
| debian 12 | firefox-esr | 52.2.0esr-1 |
| debian 13 | firefox-esr | 52.2.0esr-1 |
| debian 14 | firefox-esr | 52.2.0esr-1 |
| debian 7 | firefox-esr | 52.2.0esr-1~deb7u1 |
| debian 7 | icedove | 1:52.2.1-1~deb7u1 |
| debian 8 | firefox-esr | 52.2.0esr-1~deb8u1 |
| debian 8 | icedove | 1:52.2.1-4~deb8u1 |
| debian 9 | firefox-esr | 52.2.0esr-1~deb9u1 |
| debian 9 | icedove | 1:52.2.1-4~deb9u1 |
| echo | firefox-esr | 52.2.0esr-1 |
| Oracle Linux 6 | firefox | 52.2.0-1.0.1.el6_9 |
| Oracle Linux 6 | thunderbird | 52.2.0-1.0.1.el6_9 |
| Oracle Linux 7 | firefox | 52.2.0-1.0.1.el7_3 |
| Oracle Linux 7 | thunderbird | 52.2.0-1.0.1.el7_3 |
| ubuntu 14.04 | firefox | 54.0+build3-0ubuntu0.14.04.1 |
| ubuntu 14.04 | thunderbird | 1:52.2.1+build1-0ubuntu0.14.04.1 |
| ubuntu 16.04 | firefox | 54.0+build3-0ubuntu0.16.04.1 |
| ubuntu 16.04 | thunderbird | 1:52.2.1+build1-0ubuntu0.16.04.1 |
| ubuntu 16.10 | firefox | 54.0+build3-0ubuntu0.16.10.1 |
| ubuntu 16.10 | thunderbird | 1:52.2.1+build1-0ubuntu0.16.10.1 |
| ubuntu 17.04 | firefox | 54.0+build3-0ubuntu0.17.04.1 |
| ubuntu 17.04 | thunderbird | 1:52.2.1+build1-0ubuntu0.17.04.1 |
Referencias
- http://www.securityfocus.com/bid/99057
- http://www.securitytracker.com/id/1038689
- https://access.redhat.com/errata/RHSA-2017:1440
- https://access.redhat.com/errata/RHSA-2017:1561
- https://access.redhat.com/security/cve/CVE-2017-7749
- https://bugzilla.mozilla.org/show_bug.cgi?id=1355039
- https://linux.oracle.com/cve/CVE-2017-7749.html
- https://linux.oracle.com/errata/ELSA-2017-1561.html
Las 19 referencias
- https://nvd.nist.gov/vuln/detail/CVE-2017-7749
- https://ubuntu.com/security/notices/USN-3315-1
- https://ubuntu.com/security/notices/USN-3321-1
- https://www.cve.org/CVERecord?id=CVE-2017-7749
- https://www.debian.org/security/2017/dsa-3881
- https://www.debian.org/security/2017/dsa-3918
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/#CVE-2017-7749
- https://www.mozilla.org/security/advisories/mfsa2017-15/
- https://www.mozilla.org/security/advisories/mfsa2017-16/
- https://www.mozilla.org/security/advisories/mfsa2017-17/