What is GHSA-g855-xv99-m475?

GHSA-g855-xv99-m475 is a security advisory published by GitHub Security Advisories with unknown severity. In Modem, there is a possible system crash due to a missing bounds check. This could lead to...

Which CVE IDs does GHSA-g855-xv99-m475 cover?

GHSA-g855-xv99-m475 covers the following CVE IDs: CVE-2026-20554. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-g855-xv99-m475unknown

In Modem, there is a possible system crash due to a missing bounds check. This could lead to...

Vendor

GitHub Security Advisories

Published

November 2, 2026

Last Modified

November 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-20554 →

📋 Description

In Modem, there is a possible system crash due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01911177; Issue ID: MSV-10122.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-20554
https://www.mediatek.com/product-security-bulletin/November-2026
https://github.com/advisories/GHSA-g855-xv99-m475