High severity8.8NVD Advisory· Published May 11, 2026· Updated Jul 15, 2026
CVE-2026-28947
CVE-2026-28947
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
49cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <26.5
- (no CPE)range: = 26.5
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*range: <26.5
- (no CPE)range: = 26.5
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <26.5
- (no CPE)range: = 26.5
- Range: = 26.5
- Range: = 26.5
- Range: = 26.5
- Range: = 26.5
- osv-coords36 versionspkg:rpm/almalinux/webkit2gtk3pkg:rpm/almalinux/webkit2gtk3-develpkg:rpm/almalinux/webkit2gtk3-jscpkg:rpm/almalinux/webkit2gtk3-jsc-develpkg:rpm/opensuse/webkit2gtk3&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/webkit2gtk3-soup2&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/webkit2gtk4&distro=openSUSE%20Leap%2016.0pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP7pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
< 2.52.4-1.el8_10+ 35 more
- (no CPE)range: < 2.52.4-1.el8_10
- (no CPE)range: < 2.52.4-1.el8_10
- (no CPE)range: < 2.52.4-1.el8_10
- (no CPE)range: < 2.52.4-1.el8_10
- (no CPE)range: < 2.52.4-160000.1.1
- (no CPE)range: < 2.52.4-160000.1.1
- (no CPE)range: < 2.52.4-160000.1.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150600.12.68.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150600.12.68.1
- (no CPE)range: < 2.52.4-160000.1.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150600.12.68.1
- (no CPE)range: < 2.52.4-160000.1.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150600.12.68.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150600.12.68.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150600.12.68.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150600.12.68.1
- (no CPE)range: < 2.52.4-150600.12.68.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150600.12.68.1
- (no CPE)range: < 2.52.4-160000.1.1
- (no CPE)range: < 2.52.4-150400.4.143.1
- (no CPE)range: < 2.52.4-150600.12.68.1
- (no CPE)range: < 2.52.4-160000.1.1
Patches
Vulnerability mechanics
References
18- support.apple.com/en-us/127110nvdRelease NotesVendor Advisory
- support.apple.com/en-us/127115nvdRelease NotesVendor Advisory
- support.apple.com/en-us/127118nvdRelease NotesVendor Advisory
- support.apple.com/en-us/127119nvdRelease NotesVendor Advisory
- support.apple.com/en-us/127120nvdRelease NotesVendor Advisory
- access.redhat.com/errata/RHSA-2026:25918nvd
- access.redhat.com/errata/RHSA-2026:25927nvd
- access.redhat.com/errata/RHSA-2026:27728nvd
- access.redhat.com/errata/RHSA-2026:27785nvd
- access.redhat.com/errata/RHSA-2026:27804nvd
- access.redhat.com/errata/RHSA-2026:28114nvd
- access.redhat.com/errata/RHSA-2026:28146nvd
- access.redhat.com/errata/RHSA-2026:28147nvd
- access.redhat.com/errata/RHSA-2026:28148nvd
- access.redhat.com/security/cve/CVE-2026-28947nvd
- bugzilla.redhat.com/show_bug.cginvd
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28947.jsonnvd
- support.apple.com/en-us/127121nvd
News mentions
1- Apple Patches Everything, (Mon, May 11th)SANS Internet Storm Center · May 11, 2026