Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2026-43715: A use-after-free issue was addressed with improved memory management

48
This month
HIGH 8.8UPGRADEUPGRADEUPGRADE

CVE-2026-43715 is a high-severity flaw (CVSS 8.8) affecting safari, ipados, iphone os. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to memory corruption.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score8.8 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance1.3% (top 31%)
CISA exploited listNo
WeaknessCWE-416
Published2026-06-29
Last modified2026-10-24
Publisher (CNA): Apple Inc. · Vendor: apple

Share: LinkedIn · X · Reddit

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

apple safari UPGRADE
Affected: < 26.5.2
Fixed in: 26.5.2
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy safari || rpm -q safari || safari --version
2. UPGRADE to 26.5.2 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade safari
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade safari
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
apple ipados UPGRADE
Affected: < 26.5.2
Fixed in: 26.5.2
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
apple iphone os UPGRADE
Affected: < 26.5.2
Fixed in: 26.5.2
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
apple macos UPGRADE
Affected: >= 26.0 and < 26.5.2
Fixed in: 26.5.2
Safe to downgrade to: a release before 26.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

Fedora 46 · sugar-clock · FIXED · 22.1-17.fc46 · FEDORA-2026-57948849df · source
sudo dnf upgrade --advisory=FEDORA-2026-57948849df
Fedora ELN · selinux-policy · FIXED · 45.23-1.eln159 · FEDORA-2026-3668c969a2 · source
sudo dnf upgrade --advisory=FEDORA-2026-3668c969a2
Ubuntu 24.04 · webkit2gtk · FIXED · 2.52.6-0ubuntu0.24.04.1
sudo apt update && sudo apt install --only-upgrade webkit2gtk dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.52.6-0ubuntu0.24.04.1" && echo PATCHED || echo STILL-VULNERABLE
Debian 12 · webkit2gtk · NO FIX YET
Debian 13 · webkit2gtk · FIXED · 2.52.5-1~deb13u1
sudo apt update && sudo apt install --only-upgrade webkit2gtk dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.52.5-1~deb13u1" && echo PATCHED || echo STILL-VULNERABLE
Debian 12 · wpewebkit · NO FIX YET
Debian 13 · wpewebkit · NO FIX YET
RHEL 7 Extended Lifecycle Support · webkitgtk4 · FIXED · webkitgtk4-2.52.5-1.el7_9
sudo dnf upgrade --advisory=RHSA-2026:58564 rpm -q webkitgtk4
RHEL 8 · webkit2gtk3 · FIXED · webkit2gtk3-2.52.5-1.el8_10
sudo dnf upgrade --advisory=RHSA-2026:42088 rpm -q webkit2gtk3
RHEL 8.4 Advanced Mission Critical Update Support · webkit2gtk3 · FIXED · webkit2gtk3-2.52.5-1.el8_4
sudo dnf upgrade --advisory=RHSA-2026:57348 rpm -q webkit2gtk3
RHEL 8.4 Extended Update Support Long-Life Add-On · webkit2gtk3 · FIXED · webkit2gtk3-2.52.5-1.el8_4
sudo dnf upgrade --advisory=RHSA-2026:57348 rpm -q webkit2gtk3
RHEL 8.6 Advanced Mission Critical Update Support · webkit2gtk3 · FIXED · webkit2gtk3-2.52.5-1.el8_6
sudo dnf upgrade --advisory=RHSA-2026:59325 rpm -q webkit2gtk3
Amazon Linux 2 · see advisory · FIXED · ALAS2-2026-3843 · source
sudo yum update --advisory=ALAS2-2026-3843
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-43715?

safari: upgrade to 26.5.2; ipados: upgrade to 26.5.2; iphone os: upgrade to 26.5.2. Exact commands for each OS are on this page.

Is CVE-2026-43715 being exploited?

CVE-2026-43715 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-43715 affect?

CVE-2026-43715 affects safari, ipados, iphone os. Severity is high (CVSS 8.8). A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing malic

How urgent is CVE-2026-43715?

Priority 48/100. High severity

Software pages

iOS vulnerabilities · macOS vulnerabilities · Safari vulnerabilities · Apple Safari and WebKit vulnerabilities · iPadOS vulnerabilities · watchOS vulnerabilities

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.