CVE-2023-32409

Apple Multiple Products: WebKit Sandbox Escape

As of , CVE-2023-32409 in Apple Multiple Products is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 22 May 2023
US federal deadline
12 June 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.17Higher than 96% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
No score that dayThe EPSS file of the day CISA listed it has no score for it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: support.apple.comLinks below, from CISA's entry.

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit contain an unspecified vulnerability that can allow a remote attacker to break out of the Web Content sandbox. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

CISA's description

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8 and iPadOS 15.7.8, Safari 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

The CVE record's description, from apple

CVE published
23 June 2023
Assigned by
apple
CVSS
8.6 High (CVSS 3.1, from CISA-ADP)
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
partial

Timeline

  1. CISA added it to its list of exploited vulnerabilities.
  2. The US federal deadline to fix it.
  3. The CVE record was published.

Multiple Products: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2026-86950Out-of-Bounds WriteApple Multiple ProductsPatch nowForensic triage required by CISA; listed in the last 14 days0.01
CVE-2021-30860Integer OverflowApple Multiple ProductsPatch this weekEPSS 0.760.76
CVE-2023-32434Integer OverflowApple Multiple ProductsPatch this weekEPSS 0.520.52
CVE-2019-8605Use-After-FreeApple Multiple ProductsPatch soonVerified Exploit-DB entry0.18
CVE-2020-3837Memory CorruptionApple Multiple ProductsPatch soonVerified Exploit-DB entry0.15
CVE-2019-8506Type ConfusionApple Multiple ProductsPatch soonVerified Exploit-DB entry0.16
CVE-2023-28205WebKit Use-After-FreeApple Multiple ProductsPatch soon0.27
CVE-2021-30807Memory CorruptionApple Multiple ProductsPatch soon0.29
CVE-2025-31200Memory CorruptionApple Multiple ProductsPatch soon0.19
CVE-2025-24085Use-After-FreeApple Multiple ProductsPatch soon0.18

All 54 entries for Multiple Products

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