CVE-2025-43346: Apple iOS and iPadOS · Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process
Affects Apple iOS and iPadOSSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium · fixed in 18.7 : update Apple iOS and iPadOS when convenient.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 14% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 18.7
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 15 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apple iOS and iPadOS | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2025-43346, organizations and users should promptly update all Apple devices to iOS and iPadOS version 18.7 or later, as well as other relevant Apple OS updates like macOS Tahoe 26. Beyond patching, organizations should implement strict controls on media file sources, including filtering and scanning media attachments in emails and messaging platforms to detect potentially malicious files. Employing mobile device management (MDM) solutions can enforce update policies and restrict installation of untrusted applications that might process malicious media. User education is critical to reduce risky behaviors such as opening unsolicited media files from unknown sources. Application developers should review and enhance bounds checking and memory safety in media processing components. Network-level protections such as sandboxing and runtime memory protection features should be leveraged to limit the impact of any memory corruption. Continuous monitoring for abnormal app crashes or device instability can help detect exploitation attempts early.
Description
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.
References
- support.apple.com/en-us/125108 (opens in a new tab)
- support.apple.com/en-us/125109 (opens in a new tab)
- support.apple.com/en-us/125110 (opens in a new tab)
- support.apple.com/en-us/125114 (opens in a new tab)
- support.apple.com/en-us/125115 (opens in a new tab)
- support.apple.com/en-us/125116 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Sep/57 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Sep/56 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Sep/53 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Sep/58 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Sep/49 (opens in a new tab)