CVE-2023-42909: Apple macOS · Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code
Affects Apple macOSSource CVE Database V5
Not known to be exploited : upgrade to 14.2 soon.
Data as of 26 Oct 2026, 14:05 UTC
Rated High by the CNA (apple) · No CVSS score from NVD or the CNA
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 14.2
Exploitation evidence
Disclosed: evidence found.
CVE published 12 Dec 2023
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
Upgrade apple/macos to 14.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Appleapple/macospkg:deb/apple/macosOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Update macOS to version 14.2 or later, where these vulnerabilities have been fixed. No other mitigation is required as the official fix addresses the issue.
Description
Multiple memory corruption vulnerabilities in macOS were addressed with improved input validation. Processing a maliciously crafted file could cause unexpected application termination or allow arbitrary code execution. These issues are fixed in macOS Sonoma 14.2.