CVE-2024-44309: Apple Multiple Products Cross-Site Scripting (XSS) Vulnerability

Q: How do I fix CVE-2024-44309?

debian linux: mitigate or apply the listed mitigation; safari: upgrade to 18.1.1; ipados: upgrade to 17.7.2, 18.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-44309 being exploited?

Yes. CVE-2024-44309 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

Q: What does CVE-2024-44309 affect?

CVE-2024-44309 affects debian linux, safari, ipados. Severity is medium (CVSS 6.3). A cookie management issue was addressed with improved state management. This issue is fixed in Safari 18.1.1, iOS 17.7.2 and iPadOS 17.7.2, iOS 18.1.1 and iPadOS 18.1.1, macOS Sequoia 15.1.1, visionOS 2.1.1. Processing maliciously crafted w

Q: How urgent is CVE-2024-44309?

Priority 76/100. EPSS top 2%: very likely to be exploited; Exploited in the wild (CISA KEV); On your watchlist

Patch now

MEDIUM 6.3EXPLOITEDWATCHLISTMITIGATEUPGRADEUPGRADE

CVE-2024-44309 is a medium-severity flaw (CVSS 6.3) affecting debian linux, safari, ipados, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A cookie management issue was addressed with improved state management. This issue is fixed in Safari 18.1.1, iOS 17.7.2 and iPadOS 17.7.2, iOS 18.1.1 and iPadOS 18.1.1, macOS Sequoia 15.1.1, visionOS 2.1.1. Processing maliciously crafted web content may lead to a cross site scripting attack. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.

Why this priority

EPSS top 2%: very likely to be exploited
Exploited in the wild (CISA KEV)
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	21.9% (top 2%)
CISA exploited list	Yes, fix due 2024-12-12
Weakness	CWE-79
Published	2024-11-20
Last modified	2026-06-17

Publisher (CNA): Apple Inc. · Vendor: apple · debian

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-11-20 00:15 UTCPublished CVE record published
2024-11-21Exploited Added to the CISA Known Exploited Vulnerabilities list
2024-12-12Deadline CISA due date for US federal agencies to patch
2026-06-17 07:52 UTCUpdated Record last modified

debian debian linux MITIGATE

Affected: 11.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 11.0

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.

apple safari UPGRADE

Affected: < 18.1.1

Fixed in: 18.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy safari || rpm -q safari || safari --version

2. UPGRADE to 18.1.1 (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: < 17.7.2 · >= 18.0 and < 18.1.1

Fixed in: 17.7.2, 18.1.1

Safe to downgrade to: a release before 18.0

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.

apple iphone os UPGRADE

Affected: < 17.7.2 · >= 18.0 and < 18.1.1

Fixed in: 17.7.2, 18.1.1

Safe to downgrade to: a release before 18.0

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.

apple macos UPGRADE

Affected: >= 15.0 and < 15.1.1

Fixed in: 15.1.1

Safe to downgrade to: a release before 15.0

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.

apple visionos UPGRADE

Affected: < 2.1.1

Fixed in: 2.1.1

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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · byobu · FIXED · 7.23-1.fc46 · FEDORA-2026-08f2b53446 · source

sudo dnf upgrade --advisory=FEDORA-2026-08f2b53446

Ubuntu 22.04 · webkit2gtk · FIXED · 2.46.4-0ubuntu0.22.04.1

sudo apt update && sudo apt install --only-upgrade webkit2gtk dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.46.4-0ubuntu0.22.04.1" && echo PATCHED || echo STILL-VULNERABLE

Ubuntu 24.04 · webkit2gtk · FIXED · 2.46.4-0ubuntu0.24.04.1

sudo apt update && sudo apt install --only-upgrade webkit2gtk dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.46.4-0ubuntu0.24.04.1" && echo PATCHED || echo STILL-VULNERABLE

Ubuntu 24.10 · webkit2gtk · FIXED · 2.46.4-0ubuntu0.24.10.1

sudo apt update && sudo apt install --only-upgrade webkit2gtk dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.46.4-0ubuntu0.24.10.1" && echo PATCHED || echo STILL-VULNERABLE

Debian 12 · webkit2gtk · FIXED · 2.46.4-1~deb12u1

sudo apt update && sudo apt install --only-upgrade webkit2gtk dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.46.4-1~deb12u1" && echo PATCHED || echo STILL-VULNERABLE

Debian 13 · webkit2gtk · FIXED · 2.46.4-1

sudo apt update && sudo apt install --only-upgrade webkit2gtk dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.46.4-1" && echo PATCHED || echo STILL-VULNERABLE

Debian 12 · wpewebkit · NO FIX YET

Debian 13 · wpewebkit · FIXED · 2.46.4-1

sudo apt update && sudo apt install --only-upgrade wpewebkit dpkg --compare-versions "$(dpkg-query -W -f='${Version}' wpewebkit)" ge "2.46.4-1" && echo PATCHED || echo STILL-VULNERABLE

RHEL 7 Extended Lifecycle Support · webkitgtk4 · FIXED · webkitgtk4-2.48.3-2.el7_9

sudo dnf upgrade --advisory=RHSA-2025:10364 rpm -q webkitgtk4

RHEL 8 · webkit2gtk3 · FIXED · webkit2gtk3-2.46.3-2.el8_10

sudo dnf upgrade --advisory=RHSA-2024:10481 rpm -q webkit2gtk3

RHEL 8.2 Advanced Update Support · webkit2gtk3 · FIXED · webkit2gtk3-2.46.3-2.el8_2

sudo dnf upgrade --advisory=RHSA-2024:10480 rpm -q webkit2gtk3

RHEL 8.4 Advanced Mission Critical Update Support · webkit2gtk3 · FIXED · webkit2gtk3-2.46.3-2.el8_4

sudo dnf upgrade --advisory=RHSA-2024:10501 rpm -q webkit2gtk3

RHEL 8.4 Telecommunications Update Service · webkit2gtk3 · FIXED · webkit2gtk3-2.46.3-2.el8_4

sudo dnf upgrade --advisory=RHSA-2024:10501 rpm -q webkit2gtk3

Amazon Linux 2 · see advisory · FIXED · ALAS2-2025-2869 · source

sudo yum update --advisory=ALAS2-2025-2869

Verify at the official source NVD · CVE Program · CISA KEV catalog · 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-2024-44309?

debian linux: mitigate or apply the listed mitigation; safari: upgrade to 18.1.1; ipados: upgrade to 17.7.2, 18.1.1. Exact commands for each OS are on this page.

Is CVE-2024-44309 being exploited?

Yes. CVE-2024-44309 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2024-44309 affect?

CVE-2024-44309 affects debian linux, safari, ipados. Severity is medium (CVSS 6.3). A cookie management issue was addressed with improved state management. This issue is fixed in Safari 18.1.1, iOS 17.7.2 and iPadOS 17.7.2, iOS 18.1.1 and iPadOS 18.1.1, macOS Sequoia 15.1.1, visionOS 2.1.1. Processing maliciously crafted w

How urgent is CVE-2024-44309?

Priority 76/100. EPSS top 2%: very likely to be exploited; Exploited in the wild (CISA KEV); On your watchlist

Software pages

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

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References

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