What is GHSA-v3g4-vgfp-mmr7?

GHSA-v3g4-vgfp-mmr7 is a security advisory published by GitHub Security Advisories with Critical severity. IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to obtain sensitive...

Which CVE IDs does GHSA-v3g4-vgfp-mmr7 cover?

GHSA-v3g4-vgfp-mmr7 covers the following CVE IDs: CVE-2026-16839. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-v3g4-vgfp-mmr7?

GHSA-v3g4-vgfp-mmr7 has a CVSS v3 base score of 9.4, published by GitHub Security Advisories.

GHSA-v3g4-vgfp-mmr7CriticalCVSS 9.4

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to obtain sensitive...

Vendor

GitHub Security Advisories

Published

August 19, 2026

Last Modified

August 19, 2026

🔗 CVE IDs covered (1)

CVE-2026-16839 →

📋 Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to obtain sensitive information due to an integer underflow in the IPv4 IP-options parser.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-16839
https://www.ibm.com/support/pages/node/7283858
https://github.com/advisories/GHSA-v3g4-vgfp-mmr7