CVE-2025-43494

highpriority · track · 0EPSS 0.006 · 47 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.57% (47th) EPSS

CVSS 7.5 · high

Is it mine?

23 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

A mail header parsing issue was addressed with improved checks. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. An attacker may be able to cause a persistent denial-of-service.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20US

affected products (23)

Products and version ranges known to be affected.

Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Apple Apple macOS Sequoia <15.7.2≤ Sequoia <15.7.2cert_bundDE
Apple Apple macOS Sonoma <14.8.2≤ Sonoma <14.8.2cert_bundDE
Apple Apple macOS Tahoe <26.1≤ Tahoe <26.1cert_bundDE
Apple macOS≤ Sonoma <14.8.2cert_bundDE
Apple macOS≤ Tahoe <26.1cert_bundDE
Apple macOS≤ Sequoia <15.7.2cert_bundDE
Apple iOS and iPadOS0 → 18.7.2enisa_euvdEU
Apple iOS and iPadOS0 → 26.1enisa_euvdEU
Apple macOS0 → 14.8.2enisa_euvdEU
Apple macOS0 → 15.7.2enisa_euvdEU
Apple macOS0 → 26.1enisa_euvdEU
Apple visionOS0 → 26.1enisa_euvdEU
Apple watchOS0 → 26.1enisa_euvdEU
apple ipados< 18.7.2nvdUScpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple ipados= 26.0nvdUScpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone os< 18.7.2nvdUScpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple iphone os= 26.0nvdUScpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos14.0 → 14.8.2nvdUScpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple macos15.0 → 15.7.2nvdUScpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

showing 20 of 23

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2475Apple macOS: Mehrere SchwachstellenDeutsch2025-11-03csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Apple macOS ausnutzen, um Informationen offenzulegen, um einen Denial of Service Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen, um Dateien zu manipulieren, und um seine Privilegien zu erhöhen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2025-12-12modified 2026-06-17

references (21)

External citations — patches, advisories, analysis.

scry

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