Zebra zebrad before 7.0.0 contains a denial of service vulnerability that allows a malicious peer to stall checkpoint sync by cancelling the verifier rewind after a failed commit. Attackers can serve a forged block with altered authorizing data plus a restart-triggering block, leaving the verifier rejecting honest blocks until restart.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Sun, 08 Nov 2026 01:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Zebra zebrad before 7.0.0 contains a denial of service vulnerability that allows a malicious peer to stall checkpoint sync by cancelling the verifier rewind after a failed commit. Attackers can serve a forged block with altered authorizing data plus a restart-triggering block, leaving the verifier rejecting honest blocks until restart. | |
| Title | Zebra before 7.0.0 Checkpoint Sync Denial of Service via Cancelled Verifier Rewind | |
| First Time appeared |
Zfnd
Zfnd zebra |
|
| Weaknesses | CWE-460 | |
| CPEs | cpe:2.3:a:zfnd:zebra:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Zfnd
Zfnd zebra |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-11-08T01:37:59.650Z
Reserved: 2026-11-06T00:50:45.483Z
Link: CVE-2026-123558
No data.
Status : Deferred
Published: 2026-11-08T02:16:47.863
Modified: 2026-11-08T02:16:47.997
Link: CVE-2026-123558
No data.
OpenCVE Enrichment
Updated: 2026-11-08T05:15:07Z
Weaknesses