What is GHSA-mg4c-h4g5-47fv?

GHSA-mg4c-h4g5-47fv is a security advisory published by GitHub Security Advisories with Medium severity. An Out-of-bounds Write vulnerability in the SSR TCP proxy/optimization path in Juniper Networks...

Which CVE IDs does GHSA-mg4c-h4g5-47fv cover?

GHSA-mg4c-h4g5-47fv covers the following CVE IDs: CVE-2026-103391. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mg4c-h4g5-47fv?

GHSA-mg4c-h4g5-47fv has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

GHSA-mg4c-h4g5-47fvMediumCVSS 5.3

An Out-of-bounds Write vulnerability in the SSR TCP proxy/optimization path in Juniper Networks...

Vendor

GitHub Security Advisories

Published

October 28, 2026

Last Modified

October 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-103391 →

📋 Description

An Out-of-bounds Write vulnerability in the SSR TCP proxy/optimization path in Juniper Networks Session Smart Router allows an attacker to corrupt forwarded packet data and potentially cause a data-plane crash via a transit TCP packet with a crafted TCP option length.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-103391
https://supportportal.juniper.net/JSA112183
https://github.com/advisories/GHSA-mg4c-h4g5-47fv