Unrated severityNVD Advisory· Published Dec 8, 2021· Updated Aug 4, 2024
CVE-2021-38503
CVE-2021-38503
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
42<91.3+ 3 more
- (no CPE)range: <91.3
- (no CPE)range: <94
- (no CPE)range: unspecified
- (no CPE)range: unspecified
<91.3+ 1 more
- (no CPE)range: <91.3
- (no CPE)range: unspecified
- osv-coords36 versionspkg:rpm/almalinux/firefoxpkg:rpm/almalinux/thunderbirdpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3
< 91.3.0-1.el8_4.alma+ 35 more
- (no CPE)range: < 91.3.0-1.el8_4.alma
- (no CPE)range: < 91.3.0-2.el8_4.alma
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 91.3.0-152.6.1
- (no CPE)range: < 94.0.1-1.1
- (no CPE)range: < 91.4.0-lp152.2.52.1
- (no CPE)range: < 91.4.0-8.45.2
- (no CPE)range: < 91.3.0-1.1
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-150.6.1
- (no CPE)range: < 91.3.0-150.6.1
- (no CPE)range: < 91.3.0-150.6.1
- (no CPE)range: < 91.3.0-150.6.1
- (no CPE)range: < 91.3.0-150.6.1
- (no CPE)range: < 91.3.0-152.6.1
- (no CPE)range: < 91.3.0-152.6.1
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-150.6.1
- (no CPE)range: < 91.3.0-150.6.1
- (no CPE)range: < 91.3.0-150.6.1
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-150.6.1
- (no CPE)range: < 91.3.0-150.6.1
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.3.0-112.80.2
- (no CPE)range: < 91.4.0-8.45.2
- (no CPE)range: < 91.4.0-8.45.2
Patches
Vulnerability mechanics
References
10- security.gentoo.org/glsa/202202-03mitrevendor-advisoryx_refsource_GENTOO
- security.gentoo.org/glsa/202208-14mitrevendor-advisoryx_refsource_GENTOO
- www.debian.org/security/2021/dsa-5026mitrevendor-advisoryx_refsource_DEBIAN
- www.debian.org/security/2022/dsa-5034mitrevendor-advisoryx_refsource_DEBIAN
- bugzilla.mozilla.org/show_bug.cgimitrex_refsource_MISC
- lists.debian.org/debian-lts-announce/2021/12/msg00030.htmlmitremailing-listx_refsource_MLIST
- lists.debian.org/debian-lts-announce/2022/01/msg00001.htmlmitremailing-listx_refsource_MLIST
- www.mozilla.org/security/advisories/mfsa2021-48/mitrex_refsource_MISC
- www.mozilla.org/security/advisories/mfsa2021-49/mitrex_refsource_MISC
- www.mozilla.org/security/advisories/mfsa2021-50/mitrex_refsource_MISC
News mentions
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