High severity8.8NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026
CVE-2021-1817
CVE-2021-1817
Description
A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. 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
47- Range: = 11.3
= 14.5+ 1 more
- (no CPE)range: = 14.5
- (no CPE)range: unspecified
- Range: = 14.5
= 7.4+ 1 more
- (no CPE)range: = 7.4
- (no CPE)range: unspecified
- Range: = 14.5
- osv-coords38 versionspkg:rpm/opensuse/gtk3&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/webkit2gtk3&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/webkit2gtk3&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg: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%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP3pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP2pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg: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%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/webkit2gtk3&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/webkit2gtk3&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/webkit2gtk3&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/webkit2gtk3&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 2.32.4-1.1+ 37 more
- (no CPE)range: < 2.32.4-1.1
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-2.82.1
- (no CPE)range: < 2.34.3-3.92.1
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-3.92.1
- (no CPE)range: < 2.34.3-3.92.1
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-3.92.1
- (no CPE)range: < 2.34.3-3.92.1
- (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: < 2.34.3-2.82.1
- (no CPE)range: < 2.34.3-2.82.1
- (no CPE)range: < 2.34.3-2.82.1
- (no CPE)range: < 2.34.3-2.82.1
- (no CPE)range: < 2.34.3-2.82.1
- (no CPE)range: < 2.34.3-3.92.1
- (no CPE)range: < 2.34.3-3.92.1
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-3.92.1
- (no CPE)range: < 2.34.3-2.82.1
- (no CPE)range: < 2.34.3-2.82.1
- (no CPE)range: < 2.34.3-2.82.1
- (no CPE)range: < 2.34.3-3.92.1
- (no CPE)range: < 2.34.3-3.92.1
- (no CPE)range: < 2.34.3-23.3
- (no CPE)range: < 2.34.3-2.82.1
- (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: < 2.34.3-2.82.1
- (no CPE)range: < 2.34.3-2.82.1
- (no CPE)range: < 2.34.3-2.82.1
- (no CPE)range: < 2.34.3-2.82.1
- Range: unspecified
- Range: unspecified
Patches
Vulnerability mechanics
References
4- support.apple.com/en-us/HT212317nvdVendor Advisory
- support.apple.com/en-us/HT212323nvdVendor Advisory
- support.apple.com/en-us/HT212324nvdVendor Advisory
- support.apple.com/en-us/HT212325nvdVendor Advisory
News mentions
0No linked articles in our index yet.