A buffer overflow was addressed with improved bounds checking. (CVE-2026-43815)
A buffer overflow vulnerability in macOS AFP filesystem client was addressed by improved bounds checking. The flaw could allow connecting to a malicious AFP server to cause kernel memory corruption. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6.
AI Analysis
Technical Summary
CVE-2026-43815 is a buffer overflow vulnerability in the AFP filesystem client component of macOS. The vulnerability arises from insufficient bounds checking, which could be exploited by connecting to a malicious AFP server. Successful exploitation may lead to kernel memory corruption. Apple has fixed this issue in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6.
Potential Impact
Exploitation of this vulnerability could result in kernel memory corruption, potentially leading to system instability or escalation of privileges. The vulnerability requires interaction with a malicious AFP server, indicating a network-based attack vector.
Mitigation Recommendations
Apply the official patches by updating to macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, or macOS Tahoe 26.6. These updates include improved bounds checking that addresses the buffer overflow. No additional mitigations are specified.
A buffer overflow was addressed with improved bounds checking. (CVE-2026-43815)
Description
A buffer overflow vulnerability in macOS AFP filesystem client was addressed by improved bounds checking. The flaw could allow connecting to a malicious AFP server to cause kernel memory corruption. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43815 is a buffer overflow vulnerability in the AFP filesystem client component of macOS. The vulnerability arises from insufficient bounds checking, which could be exploited by connecting to a malicious AFP server. Successful exploitation may lead to kernel memory corruption. Apple has fixed this issue in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6.
Potential Impact
Exploitation of this vulnerability could result in kernel memory corruption, potentially leading to system instability or escalation of privileges. The vulnerability requires interaction with a malicious AFP server, indicating a network-based attack vector.
Mitigation Recommendations
Apply the official patches by updating to macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, or macOS Tahoe 26.6. These updates include improved bounds checking that addresses the buffer overflow. No additional mitigations are specified.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-85ff-jrm6-jh74
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-43815"]
- State
- PUBLISHED
Threat ID: 6aa8a1bd55bf5e2cf5f3e00a
Added to database: 09/15/2026, 01:39:09 UTC
Last enriched: 09/15/2026, 01:56:06 UTC
Last updated: 09/15/2026, 08:01:23 UTC
Views: 3
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