What is GHSA-56mv-f87w-qqrr?

GHSA-56mv-f87w-qqrr is a security advisory published by GitHub Security Advisories with High severity. In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead...

Which CVE IDs does GHSA-56mv-f87w-qqrr cover?

GHSA-56mv-f87w-qqrr covers the following CVE IDs: CVE-2026-20502. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-56mv-f87w-qqrr?

GHSA-56mv-f87w-qqrr has a CVSS v3 base score of 8.4, published by GitHub Security Advisories.

GHSA-56mv-f87w-qqrrHighCVSS 8.4

In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead...

Vendor

GitHub Security Advisories

Published

September 7, 2026

Last Modified

September 7, 2026

🔗 CVE IDs covered (1)

CVE-2026-20502 →

📋 Description

In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11262030; Issue ID: MSV-9196.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-20502
https://www.mediatek.com/product-security-bulletin/September-2026
https://github.com/advisories/GHSA-56mv-f87w-qqrr