CVE-2025-43427: apple ios and ipados Improper Input Validation
CVSS: 4.3v3.1MediumModified
AliasesUBUNTU-CVE-2025-43427DEBIAN-CVE-2025-43427
Published 04-11-2025Last modified 02-04-2026
Vulnerability summary
CVE-2025-43427 is a medium (CVSS 4.3) Improper Input Validation vulnerability in apple ios and ipados. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 44.8% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.55%
0%100%
Low · +0.04 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-4394-1DSA-6070-1MGASA-2025-0319OPENSUSE-SU-2026:20065-1RHSA-2025:22789RHSA-2025:22790RHSA-2025:23110RHSA-2025:23433RHSA-2025:23434RHSA-2025:23451RHSA-2025:23452RHSA-2025:23583RHSA-2025:23591RHSA-2025:23742RHSA-2025:23743SUSE-SU-2025:4416-1SUSE-SU-2025:4423-1SUSE-SU-2026:0021-1SUSE-SU-2026:20102-1USN-7914-1
Timeline
- 04-11-2025PublishedVulnerability first disclosed.
- 02-04-2026Last modifiedVulnerability information updated.
Description
This issue was addressed through improved state management. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 4.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.55%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
+0.04 pp
From 0.51% on 19-09-2026
19-09-202619-10-2026
EPSS score0.55%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-703Improper Check or Handling of Exceptional ConditionsThe product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.
Affected systems
Ubuntu5 products
- qtwebkit-opensource-srcAll versions (No fix recorded)
- qtwebkit-sourceAll versions (No fix recorded)
- webkit2gtkAll versions (No fix recorded) | < 2.50.2-0ubuntu0.22.04.2 | < 2.50.2-0ubuntu0.24.04.2 | < 2.50.2-0ubuntu0.25.10.2
- webkitgtkAll versions (No fix recorded)
- wpewebkitAll versions (No fix recorded)
Debian2 products
- webkit2gtk< 2.50.2-1~deb12u1 | < 2.50.2-1~deb13u1 | < 2.50.2-1
- wpewebkitAll versions (No fix recorded) | < 2.50.2-1
3 vendors · 14 products
