Use After Free in Apple iOS And Ipados
CVE-2023-39434
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Processing web content may lead to arbitrary code execution.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (75.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.017 · change: +0.001
Affected products
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple watchOS — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT213938 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT213940 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT213937 (Release Notes, Vendor Advisory)
- www.openwall.com/lists/oss-security/2023/09/28/3 (Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2023/Oct/8 (Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2023/Oct/9 (Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2023/Oct/3 (Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202401-33
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-39434?
- CVE-2023-39434 is a high-severity vulnerability in Apple iOS And Ipados, classified under Use After Free. CVSS score: 8.8/10. Published 2023-09-27.
- How severe is CVE-2023-39434?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-39434 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.