CVE-2024-54478: An out-of-bounds access issue was addressed with improved bounds checking
Source GCVE Database
Not known to be exploited · CVSS 6.5 Medium · fixed in 17.7.4 : update affected systems when convenient.
Data as of 30 Oct 2026, 01:04 UTC
- Patch
- Available – fixed in 17.7.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 27 Jan 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 29 Oct 2026.
What to do
AI-suggested
A fix is available and has been released in the specified versions of Apple operating systems. Users and administrators should apply these updates to mitigate the vulnerability. No additional mitigation steps are indicated.
Description
CVE-2024-54478 is an out-of-bounds access vulnerability that was addressed by improving bounds checking in multiple Apple operating systems. The flaw could cause an unexpected process crash when processing maliciously crafted web content. It affects various Apple OS versions and has been fixed in recent updates.
References
- nvd.nist.gov/vuln/detail/CVE-2024-54478 (opens in a new tab)
- support.apple.com/en-us/121837 (opens in a new tab)
- support.apple.com/en-us/121839 (opens in a new tab)
- support.apple.com/en-us/121840 (opens in a new tab)
- support.apple.com/en-us/121843 (opens in a new tab)
- support.apple.com/en-us/121844 (opens in a new tab)
- support.apple.com/en-us/121845 (opens in a new tab)
- support.apple.com/en-us/122067 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Jan/14 (opens in a new tab)