What is GHSA-77wc-7xcr-f383?

GHSA-77wc-7xcr-f383 is a security advisory published by GitHub Security Advisories with High severity. A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6...

Which CVE IDs does GHSA-77wc-7xcr-f383 cover?

GHSA-77wc-7xcr-f383 covers the following CVE IDs: CVE-2026-43776. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-77wc-7xcr-f383?

GHSA-77wc-7xcr-f383 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-77wc-7xcr-f383HighCVSS 7.8

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-2026-43776 →

📋 Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-43776
https://support.apple.com/en-us/128066
https://support.apple.com/en-us/128067
https://support.apple.com/en-us/128071
https://github.com/advisories/GHSA-77wc-7xcr-f383