CVE-2025-43342: apple ios and ipados Improper Input Validation
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2025-43342DEBIAN-CVE-2025-43342
Published 15-09-2025Last modified 02-04-2026
Vulnerability summary
CVE-2025-43342 is a critical (CVSS 9.8) Improper Input Validation vulnerability in apple ios and ipados. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.75%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 20 · Related 6DLA-4375-1DSA-6042-1MGASA-2025-0313OPENSUSE-SU-2026:20065-1RHSA-2025:17643RHSA-2025:17741RHSA-2025:17743RHSA-2025:17802RHSA-2025:17807RHSA-2025:18097RHSA-2025:19109RHSA-2025:19157RHSA-2025:19165RHSA-2025:19352RHSA-2025:20922SUSE-SU-2025:3700-1SUSE-SU-2025:3701-1SUSE-SU-2025:3905-1SUSE-SU-2026:20102-1USN-7817-1
Timeline
- 15-09-2025PublishedVulnerability first disclosed.
- 02-04-2026Last modifiedVulnerability information updated.
Description
A correctness issue was addressed with improved checks. This issue is fixed in Safari 26, iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to an unexpected process crash.
CVSS metrics
4 scores · 4 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.75%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.75% on 19-09-2026
19-09-202619-10-2026
EPSS score0.75%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apple8 products
- ios and ipados< 18.7 | < 26
- ipados< 18.7
- iphone_os< 18.7
- macos< 26 | < 26.0
- safari< 26 | < 26.0
Ubuntu4 products
- qtwebkit-opensource-srcAll versions (No fix recorded)
- qtwebkit-sourceAll versions (No fix recorded)
- webkit2gtkAll versions (No fix recorded) | < 2.48.7-0ubuntu0.22.04.2 | < 2.48.7-0ubuntu0.24.04.2 | < 2.50.0-2ubuntu1
- webkitgtkAll versions (No fix recorded)
Debian2 products
- webkit2gtk< 2.50.1-1~deb12u1 | < 2.50.1-1~deb13u1 | < 2.50.0-1
- wpewebkitAll versions (No fix recorded) | < 2.50.0-1
Webkitgtk1 product
- webkitgtk< 2.48.7
Wpewebkit1 product
- wpe_webkit< 2.48.7
5 vendors · 16 products
