CVE-2024-23213: Apple Safari · Memory Buffer Overflow
Affects Apple SafariSource CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 11:42 UTC
- EPSS
- 1.5% chance of exploitation in 30 days – higher than 74% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 23 Jan 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apple Safari | Affected
| Fixed in– |
AI-suggested
Apple has released official patches addressing this vulnerability in Safari 17.3 and the corresponding OS updates: iOS 16.7.5 and 17.3, iPadOS 16.7.5 and 17.3, macOS Sonoma 14.3, tvOS 17.3, and watchOS 10.3. Users and administrators should apply these updates promptly to mitigate the risk. Since this is a client-side vulnerability in Safari, updating the browser and operating system to the fixed versions is the recommended and effective mitigation. No additional workarounds or temporary fixes are indicated by the vendor advisory.
Description
CVE-2024-23213 is a high-severity vulnerability in Apple Safari's WebKit engine where processing maliciously crafted web content may lead to arbitrary code execution. The issue stems from memory corruption and was addressed by Apple through improved memory handling. This vulnerability affects multiple Apple platforms including iOS, iPadOS, macOS Sonoma, tvOS, and watchOS. Apple has released official patches in Safari 17.3, iOS 16.7.5 and 17.3, iPadOS 16.7.5 and 17.
References
- support.apple.com/en-us/120304 (opens in a new tab)
- support.apple.com/en-us/120306 (opens in a new tab)
- support.apple.com/en-us/120309 (opens in a new tab)
- support.apple.com/en-us/120310 (opens in a new tab)
- support.apple.com/en-us/120311 (opens in a new tab)
- support.apple.com/en-us/120339 (opens in a new tab)
- support.apple.com/en-us/HT214059 (opens in a new tab)
- support.apple.com/en-us/HT214063 (opens in a new tab)
- support.apple.com/en-us/HT214055 (opens in a new tab)
- support.apple.com/en-us/HT214056 (opens in a new tab)
- support.apple.com/en-us/HT214060 (opens in a new tab)
- support.apple.com/en-us/HT214061 (opens in a new tab)
- support.apple.com/kb/HT214060 (opens in a new tab)
- support.apple.com/kb/HT214063 (opens in a new tab)
- support.apple.com/kb/HT214059 (opens in a new tab)
- support.apple.com/kb/HT214061 (opens in a new tab)
- support.apple.com/kb/HT214055 (opens in a new tab)
- support.apple.com/kb/HT214056 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jan/27 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jan/33 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jan/36 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jan/34 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jan/39 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Jan/40 (opens in a new tab)
- openwall.com/lists/oss-security/2024/02/05/8 (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X2VJMEDT4GL42AQVHSYOT6DIVJDZWIV4/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/US43EQFC2IS66EA2CPAZFH2RQ6WD7PKF/ (opens in a new tab)