High severity7.8NVD Advisory· Published Oct 19, 2021· Updated Jun 17, 2026
CVE-2021-30846
CVE-2021-30846
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
61unspecified+ 1 more
- (no CPE)range: unspecified
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <15.0
unspecified+ 2 more
- (no CPE)range: unspecified
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*range: <15.0
- (no CPE)range: 15
unspecified+ 1 more
- (no CPE)range: unspecified
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <8.0
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <14.8
- (no CPE)range: 14.8, 15
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- Range: unspecified
- Range: 14.8, 15
- osv-coords44 versionspkg:rpm/almalinux/webkit2gtk3-jscpkg:rpm/almalinux/webkit2gtk3-jsc-develpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/webkit2gtk3&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/webkit2gtk3&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP2pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/almalinux/webkit2gtk3pkg:rpm/almalinux/webkit2gtk3-develpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP2pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP3pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/webkit2gtk3&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/webkit2gtk3&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/webkit2gtk3&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/opensuse/webkit2gtk3&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/webkit2gtk3&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Manager%20Proxy%204.1
< 2.34.6-1.el8+ 43 more
- (no CPE)range: < 2.34.6-1.el8
- (no CPE)range: < 2.34.6-1.el8
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.1-3.87.1
- (no CPE)range: < 2.34.1-3.87.1
- (no CPE)range: < 2.34.1-3.87.1
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-18.1
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.1-3.87.1
- (no CPE)range: < 2.34.6-1.el8
- (no CPE)range: < 2.34.6-1.el8
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-18.1
- (no CPE)range: < 2.34.1-18.1
- (no CPE)range: < 2.34.1-18.1
- (no CPE)range: < 2.34.1-3.87.1
- (no CPE)range: < 2.34.1-3.87.1
- (no CPE)range: < 2.34.1-3.87.1
- (no CPE)range: < 2.34.1-3.87.1
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-2.77.1
- (no CPE)range: < 2.34.1-lp152.2.25.3
- (no CPE)range: < 2.34.1-18.1
- (no CPE)range: < 2.34.1-3.87.1
- (no CPE)range: < 2.34.1-3.87.1
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-23.3
Patches
Vulnerability mechanics
References
18- seclists.org/fulldisclosure/2021/Oct/60nvdMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2021/Oct/61nvdMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2021/Oct/62nvdMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2021/Oct/63nvdMailing ListThird Party Advisory
- support.apple.com/en-us/HT212807nvdVendor Advisory
- support.apple.com/en-us/HT212814nvdVendor Advisory
- support.apple.com/en-us/HT212815nvdVendor Advisory
- support.apple.com/en-us/HT212816nvdVendor Advisory
- support.apple.com/en-us/HT212819nvdVendor Advisory
- support.apple.com/kb/HT212869nvdVendor Advisory
- www.debian.org/security/2021/dsa-4995nvdThird Party Advisory
- www.debian.org/security/2021/dsa-4996nvdThird Party Advisory
- www.openwall.com/lists/oss-security/2021/10/26/9nvdMailing List
- www.openwall.com/lists/oss-security/2021/10/27/1nvdMailing List
- www.openwall.com/lists/oss-security/2021/10/27/2nvdMailing List
- www.openwall.com/lists/oss-security/2021/10/27/4nvdMailing List
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/nvd
News mentions
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