What is GHSA-w4x9-4mfp-qpx8?

GHSA-w4x9-4mfp-qpx8 is a security advisory published by GitHub Security Advisories with unknown severity. In Modem, there is a possible out of bounds write due to an incorrect bounds check. This could...

Which CVE IDs does GHSA-w4x9-4mfp-qpx8 cover?

GHSA-w4x9-4mfp-qpx8 covers the following CVE IDs: CVE-2026-20563. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-w4x9-4mfp-qpx8unknown

In Modem, there is a possible out of bounds write due to an incorrect bounds check. This could...

Vendor

GitHub Security Advisories

Published

November 2, 2026

Last Modified

November 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-20563 →

📋 Description

In Modem, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01777997; Issue ID: MSV-8905.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-20563
https://www.mediatek.com/product-security-bulletin/November-2026
https://github.com/advisories/GHSA-w4x9-4mfp-qpx8