What is GHSA-w878-vhh4-m5pv?

GHSA-w878-vhh4-m5pv is a security advisory published by GitHub Security Advisories with Medium severity. BusyBox TLS get_client_hello() reads past the end of the input buffer when parsing a truncated...

Which CVE IDs does GHSA-w878-vhh4-m5pv cover?

GHSA-w878-vhh4-m5pv covers the following CVE IDs: CVE-2026-88840. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-w878-vhh4-m5pv?

GHSA-w878-vhh4-m5pv has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

GHSA-w878-vhh4-m5pvMediumCVSS 5.3

BusyBox TLS get_client_hello() reads past the end of the input buffer when parsing a truncated...

Vendor

GitHub Security Advisories

Published

September 23, 2026

Last Modified

September 23, 2026

🔗 CVE IDs covered (1)

CVE-2026-88840 →

📋 Description

BusyBox TLS get_client_hello() reads past the end of the input buffer when parsing a truncated ClientHello message.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-88840
https://access.redhat.com/security/cve/CVE-2026-88840
https://bugzilla.redhat.com/show_bug.cgi?id=2531354
https://github.com/advisories/GHSA-w878-vhh4-m5pv