CVE-2026-43661: Processing a maliciously crafted image may corrupt process memory in Apple iOS and iPadOS
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. Processing a maliciously crafted image may corrupt process memory.
AI Analysis
Technical Summary
This vulnerability is a buffer overflow (CWE-121) in Apple iOS and iPadOS that occurs when processing a maliciously crafted image. The flaw allows corruption of process memory, which can lead to application or system instability. Apple fixed the issue by improving memory handling in iOS 26.5 and iPadOS 26.5, as well as in related Apple OS versions. The CVSS v3.1 base score is 7.5, reflecting a high severity with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability (denial of service).
Potential Impact
Successful exploitation can corrupt process memory, resulting in denial of service conditions. There is no indication of confidentiality or integrity impact. No known active exploits have been reported.
Mitigation Recommendations
A fix is available in iOS 26.5 and iPadOS 26.5. Users and administrators should update affected devices to these versions or later to remediate this vulnerability. Since the vendor advisory indicates the issue is fixed in these versions, applying the official update is the recommended mitigation.
CVE-2026-43661: Processing a maliciously crafted image may corrupt process memory in Apple iOS and iPadOS
Description
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. Processing a maliciously crafted image may corrupt process memory.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a buffer overflow (CWE-121) in Apple iOS and iPadOS that occurs when processing a maliciously crafted image. The flaw allows corruption of process memory, which can lead to application or system instability. Apple fixed the issue by improving memory handling in iOS 26.5 and iPadOS 26.5, as well as in related Apple OS versions. The CVSS v3.1 base score is 7.5, reflecting a high severity with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability (denial of service).
Potential Impact
Successful exploitation can corrupt process memory, resulting in denial of service conditions. There is no indication of confidentiality or integrity impact. No known active exploits have been reported.
Mitigation Recommendations
A fix is available in iOS 26.5 and iPadOS 26.5. Users and administrators should update affected devices to these versions or later to remediate this vulnerability. Since the vendor advisory indicates the issue is fixed in these versions, applying the official update is the recommended mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.639Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a028769cbff5d86108b6e18
Added to database: 05/12/2026, 01:50:33 UTC
Last enriched: 07/30/2026, 00:53:51 UTC
Last updated: 07/31/2026, 19:30:19 UTC
Views: 90
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.