CVE-2023-42970: apple ios and ipados Use After Free
CVSS: 8.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2023-42970DEBIAN-CVE-2023-42970
Published 11-04-2025Last modified 26-02-2026
Vulnerability summary
CVE-2023-42970 is a high (CVSS 8.8) Use After Free vulnerability in apple ios and ipados. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46.1% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.57%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 14 · Related 4Timeline
- 11-04-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17, Safari 17. Processing web content may lead to arbitrary code execution.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.57%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
+0.01 pp
From 0.56% on 19-09-2026
19-09-202619-10-2026
EPSS score0.57%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apple7 products
- ios and ipados≥ unspecified, < 17
- ipados< 17.0
- iphone_os< 17.0
- macos≥ unspecified, < 14 | < 14.0
- safari≥ unspecified, < 17 | < 17.0
Ubuntu5 products
- qtwebkit-opensource-srcAll versions (No fix recorded)
- qtwebkit-sourceAll versions (No fix recorded)
- webkit2gtkAll versions (No fix recorded) | < 2.42.1-0ubuntu0.22.04.1
- webkitgtkAll versions (No fix recorded)
- wpewebkitAll versions (No fix recorded)
Debian2 products
- webkit2gtk< 2.42.1-1~deb12u1 | < 2.42.0-1
- wpewebkitAll versions (No fix recorded) | < 2.42.0-1
3 vendors · 14 products
