An out-of-bounds write issue was addressed by removing the vulnerable code. (CVE-2026-43677)
An out-of-bounds write vulnerability in macOS was addressed by removing the vulnerable code. The issue could cause unexpected application termination when connecting to a malicious WebDAV server. The vulnerability is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
CVE-2026-43677 is an out-of-bounds write vulnerability affecting certain macOS versions. The vulnerability could be triggered by connecting to a malicious WebDAV server, potentially causing unexpected termination of applications. The issue was resolved by removing the vulnerable code in the specified macOS versions.
Potential Impact
Successful exploitation may lead to unexpected application termination, which could disrupt normal operations but does not indicate code execution or data compromise based on the available information.
Mitigation Recommendations
Update affected macOS versions to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 where the vulnerable code has been removed and the issue fixed.
An out-of-bounds write issue was addressed by removing the vulnerable code. (CVE-2026-43677)
Description
An out-of-bounds write vulnerability in macOS was addressed by removing the vulnerable code. The issue could cause unexpected application termination when connecting to a malicious WebDAV server. The vulnerability is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43677 is an out-of-bounds write vulnerability affecting certain macOS versions. The vulnerability could be triggered by connecting to a malicious WebDAV server, potentially causing unexpected termination of applications. The issue was resolved by removing the vulnerable code in the specified macOS versions.
Potential Impact
Successful exploitation may lead to unexpected application termination, which could disrupt normal operations but does not indicate code execution or data compromise based on the available information.
Mitigation Recommendations
Update affected macOS versions to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 where the vulnerable code has been removed and the issue fixed.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-vmpg-5m9v-32v3
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-43677"]
- State
- PUBLISHED
Threat ID: 6aa8a1bf55bf5e2cf5f3e01b
Added to database: 09/15/2026, 01:39:11 UTC
Last enriched: 09/15/2026, 01:56:47 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 2
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