CVE-2026-44497

critical

Published 2026-05-08 · Modified 2026-05-13

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CVSS v3

9.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS v4 NEW

9.3

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

VIR risk

9.1

Description

Zebra has Consensus Divergence in Transparent Sighash Hash-Type Handling due to Stale Buffer

Predictions

Exploit likelihood

94%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
crates.io	zebra-script	`<6.0.0`	`6.0.0`
crates.io	zebrad	`<4.4.0`	`4.4.0`
RUST	zebrad	`< 4.4.0`	`4.4.0`
RUST	zebra-script	`<= 5.0.1`	`6.0.0`

Application impact

Vendor	Product	Versions	Fixed
zfnd	zebra-script	`{"endExcluding":"6.0.0"}`	`6.0.0`
zfnd	zebrad	`{"endExcluding":"4.4.0"}`	`4.4.0`

References

CWEs

CWE-347

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.