crítica
CVE-2021-38503
Mozilla: iframe sandbox rules did not apply to XSLT stylesheets
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.
Severidad por fuente
NVD10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Red Hat10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
La etiqueta propia de Trivy es CRITICAL. Crítica según NVD. Más baja según Red Hat (alta), AlmaLinux (alta), Amazon (alta), Oracle (alta), Rocky Linux (alta), Ubuntu (media).
Descripción
The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| alma 8 | firefox, thunderbird | 91.3.0-1.el8_4.alma y 1 más |
| alpine 3.15 | firefox, firefox-esr | 94.0-r0 y 1 más |
| alpine 3.16 | firefox, firefox-esr, thunderbird | 94.0-r0 y 2 más |
| alpine 3.17 | firefox, firefox-esr, thunderbird | 94.0-r0 y 2 más |
| alpine 3.18 | firefox, firefox-esr, thunderbird | 94.0-r0 y 2 más |
| alpine 3.19 | firefox, firefox-esr, thunderbird | 94.0-r0 y 2 más |
| alpine 3.20 | firefox, firefox-esr, thunderbird | 94.0-r0 y 2 más |
| alpine 3.21 | firefox, firefox-esr, librewolf y 1 más | 94.0-r0 y 2 más |
| alpine 3.22 | firefox, firefox-esr, librewolf y 1 más | 94.0-r0 y 2 más |
| alpine 3.23 | firefox, firefox-esr, librewolf y 1 más | 94.0-r0 y 2 más |
| alpine 3.24 | librewolf | 94.0-r0 |
| alpine edge | librewolf | 94.0-r0 |
Mostrar las 73 entradas de 33 fuentes
| Fuente | Paquete | Corregido en |
|---|---|---|
| alma 8 | firefox | 91.3.0-1.el8_4.alma |
| alma 8 | thunderbird | 91.3.0-2.el8_4.alma |
| alpine 3.15 | firefox | 94.0-r0 |
| alpine 3.15 | firefox-esr | 91.3.0-r0 |
| alpine 3.16 | firefox | 94.0-r0 |
| alpine 3.16 | firefox-esr | 91.3.0-r0 |
| alpine 3.16 | thunderbird | 91.3.2-r0 |
| alpine 3.17 | firefox | 94.0-r0 |
| alpine 3.17 | firefox-esr | 91.3.0-r0 |
| alpine 3.17 | thunderbird | 91.3.2-r0 |
| alpine 3.18 | firefox | 94.0-r0 |
| alpine 3.18 | firefox-esr | 91.3.0-r0 |
| alpine 3.18 | thunderbird | 91.3.2-r0 |
| alpine 3.19 | firefox | 94.0-r0 |
| alpine 3.19 | firefox-esr | 91.3.0-r0 |
| alpine 3.19 | thunderbird | 91.3.2-r0 |
| alpine 3.20 | firefox | 94.0-r0 |
| alpine 3.20 | firefox-esr | 91.3.0-r0 |
| alpine 3.20 | thunderbird | 91.3.2-r0 |
| alpine 3.21 | firefox | 94.0-r0 |
| alpine 3.21 | firefox-esr | 91.3.0-r0 |
| alpine 3.21 | librewolf | 94.0-r0 |
| alpine 3.21 | thunderbird | 91.3.2-r0 |
| alpine 3.22 | firefox | 94.0-r0 |
| alpine 3.22 | firefox-esr | 91.3.0-r0 |
| alpine 3.22 | librewolf | 94.0-r0 |
| alpine 3.22 | thunderbird | 91.3.2-r0 |
| alpine 3.23 | firefox | 94.0-r0 |
| alpine 3.23 | firefox-esr | 91.3.0-r0 |
| alpine 3.23 | librewolf | 94.0-r0 |
| alpine 3.23 | thunderbird | 91.3.2-r0 |
| alpine 3.24 | librewolf | 94.0-r0 |
| alpine edge | librewolf | 94.0-r0 |
| amazon linux 2 | thunderbird | 91.6.0-1.amzn2.0.1 |
| amazon linux 2 | thunderbird-debuginfo | 91.6.0-1.amzn2.0.1 |
| debian 10 | thunderbird | 1:91.4.1-1~deb10u1 |
| debian 11 | firefox-esr | 91.4.1esr-1~deb11u1 |
| debian 11 | thunderbird | 1:91.4.1-1~deb11u1 |
| debian 12 | firefox-esr | 91.3.0esr-1 |
| debian 12 | thunderbird | 1:91.3.0-1 |
| debian 13 | firefox-esr | 91.3.0esr-1 |
| debian 13 | thunderbird | 1:91.3.0-1 |
| debian 14 | firefox-esr | 91.3.0esr-1 |
| debian 14 | thunderbird | 1:91.3.0-1 |
| debian 9 | firefox-esr | 91.4.1esr-1~deb9u1 |
| debian 9 | thunderbird | 1:91.4.1-1~deb9u1 |
| echo | firefox-esr | 91.3.0esr-1 |
| echo | thunderbird | 1:91.3.0-1 |
| Oracle Linux 7 | firefox | 91.3.0-1.0.1.el7_9 |
| Oracle Linux 7 | thunderbird | 91.3.0-2.0.1.el7_9 |
| Oracle Linux 8 | firefox | 91.3.0-1.0.1.el8_4 |
| Oracle Linux 8 | thunderbird | 91.3.0-2.0.1.el8_4 |
| Red Hat | firefox | sin corrección indicada |
| Red Hat | thunderbird | sin corrección indicada |
| rocky 8 | firefox | 91.3.0-1.el8_4 |
| rocky 8 | thunderbird | 91.3.0-2.el8 |
| ubuntu 18.04 | firefox | 94.0+build3-0ubuntu0.18.04.1 |
| ubuntu 18.04 | thunderbird | 1:91.5.0+build1-0ubuntu0.18.04.1 |
| ubuntu 20.04 | firefox | 94.0+build3-0ubuntu0.20.04.1 |
| ubuntu 20.04 | thunderbird | 1:91.5.0+build1-0ubuntu0.20.04.1 |
| ubuntu 21.04 | firefox | 94.0+build3-0ubuntu0.21.04.1 |
| ubuntu 21.10 | firefox | 94.0+build3-0ubuntu0.21.10.1 |
| ubuntu 21.10 | thunderbird | 1:91.3.1+build1-0ubuntu0.21.10.1 |
| ubuntu 22.04 | firefox | 94.0+build3-0ubuntu1 |
| ubuntu 22.04 | thunderbird | 1:91.3.1+build1-0ubuntu1 |
| ubuntu 22.10 | firefox | 94.0+build3-0ubuntu1 |
| ubuntu 22.10 | thunderbird | 1:91.3.1+build1-0ubuntu1 |
| ubuntu 23.04 | firefox | 94.0+build3-0ubuntu1 |
| ubuntu 23.04 | thunderbird | 1:91.3.1+build1-0ubuntu1 |
| ubuntu 23.10 | firefox | 94.0+build3-0ubuntu1 |
| ubuntu 23.10 | thunderbird | 1:91.3.1+build1-0ubuntu1 |
| ubuntu 24.04 | firefox | 94.0+build3-0ubuntu1 |
| ubuntu 24.04 | thunderbird | 1:91.3.1+build1-0ubuntu1 |
Referencias
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38503.json
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38504.json
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38506.json
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38507.json
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38508.json
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-38509.json
- https://access.redhat.com/security/cve/CVE-2021-38503
- https://bugzilla.mozilla.org/show_bug.cgi?id=1729517
Las 26 referencias
- https://linux.oracle.com/cve/CVE-2021-38503.html
- https://linux.oracle.com/errata/ELSA-2021-4134.html
- https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-38503
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14
- https://ubuntu.com/security/notices/USN-5131-1
- https://ubuntu.com/security/notices/USN-5152-1
- https://ubuntu.com/security/notices/USN-5248-1
- https://www.cve.org/CVERecord?id=CVE-2021-38503
- https://www.debian.org/security/2021/dsa-5026
- https://www.debian.org/security/2022/dsa-5034
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-48/#CVE-2021-38503
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-49/#CVE-2021-38503
- https://www.mozilla.org/security/advisories/mfsa2021-48/
- https://www.mozilla.org/security/advisories/mfsa2021-49/
- https://www.mozilla.org/security/advisories/mfsa2021-50/