What is GHSA-qc34-g3j9-jc55?

GHSA-qc34-g3j9-jc55 is a security advisory published by GitHub Security Advisories with Critical severity. A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6...

Which CVE IDs does GHSA-qc34-g3j9-jc55 cover?

GHSA-qc34-g3j9-jc55 covers the following CVE IDs: CVE-2026-28931. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-qc34-g3j9-jc55?

GHSA-qc34-g3j9-jc55 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-qc34-g3j9-jc55CriticalCVSS 9.8

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6...

Vendor

GitHub Security Advisories

Published

July 27, 2026

Last Modified

July 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-28931 →

📋 Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. Connecting to a malicious NFS server may lead to kernel memory corruption.

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-28931
https://support.apple.com/en-us/128066
https://support.apple.com/en-us/128067
https://support.apple.com/en-us/128068
https://support.apple.com/en-us/128069
https://github.com/advisories/GHSA-qc34-g3j9-jc55