Zebra Vulnerable to Denial of Service via Interrupted JSON-RPC Requests from Authenticated Clients
Zebra Vulnerable to Denial of Service via Interrupted JSON-RPC Requests from Authenticated Clients. A vulnerability in Zebra's JSON-RPC HTTP middleware allows an authenticated RPC client to cause a Zebra node to crash by disconnecting before the request body is fully received.
Vuln-watch · relayed from the GitHub Advisory Database; see Source & attribution below
Summary
A vulnerability in Zebra's JSON-RPC HTTP middleware allows an authenticated RPC client to cause a Zebra node to crash by disconnecting before the request body is fully received.
Affected
- zebra-rpc (rust) >= 1.0.0-beta.45, < 6.0.2 — fixed in 6.0.2
- zebrad (rust) >= 2.2.0, < 4.3.1 — fixed in 4.3.1
Severity
Medium (CVSS 6.9), as rated by the upstream advisory.
Recommended actions
- Upgrade zebra-rpc to 6.0.2 or later
- Upgrade zebrad to 4.3.1 or later
Source & attribution
This 0xCERT advisory summarises GHSA-29x4-r6jv-ff4w / CVE-2026-41585 from the GitHub Advisory Database, credited upstream to upbqdn, mpguerra, conradoplg: https://github.com/advisories/GHSA-29x4-r6jv-ff4w. Details may change; refer to the original source for the authoritative record.
References
OpenPGP-signed. The signed text of this advisory verifies against the 0xCERT key CCC7 D9EC 9415 723D.
Published 2026-04-18 · last updated 2026-10-08
curl -s https://www.0xcert.com/pgp.asc | gpg --import && curl -s https://www.0xcert.com/advisory/0xCERT-2026-0189/signed.txt | gpg --verify