CVE-2024-27880: An out-of-bounds read issue was addressed with improved input validation
Source GCVE Database
Not known to be exploited · CVSS 5.5 Medium · fixed in 17.7 : update affected systems when convenient.
Data as of 3 Nov 2026, 17:26 UTC
- Patch
- Available – fixed in 17.7
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 16 Sep 2024
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 3 Nov 2026.
What to do
AI-suggested
Apply the official fixes by updating to iOS 17.7, iPadOS 17.7, visionOS 2, watchOS 11, macOS Sequoia 15, iOS 18, iPadOS 18, macOS Sonoma 14.7, or tvOS 18. These updates contain improved input validation that resolves the out-of-bounds read issue.
Description
CVE-2024-27880 is an out-of-bounds read vulnerability that was addressed by improved input validation in multiple Apple operating systems. The flaw could cause an application to terminate unexpectedly when processing a maliciously crafted file. The issue is fixed in iOS 17.7, iPadOS 17.7, visionOS 2, watchOS 11, macOS Sequoia 15, iOS 18, iPadOS 18, macOS Sonoma 14.7, and tvOS 18.
References
- nvd.nist.gov/vuln/detail/CVE-2024-27880 (opens in a new tab)
- support.apple.com/en-us/121238 (opens in a new tab)
- support.apple.com/en-us/121240 (opens in a new tab)
- support.apple.com/en-us/121246 (opens in a new tab)
- support.apple.com/en-us/121247 (opens in a new tab)
- support.apple.com/en-us/121248 (opens in a new tab)
- support.apple.com/en-us/121249 (opens in a new tab)
- support.apple.com/en-us/121250 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Sep/32 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Sep/33 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Sep/36 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Sep/39 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Sep/40 (opens in a new tab)