crates.io/zebra-script CVE-2026-52735: critical 9.3, EPSS 0.51%
zebrad has consensus divergence via P2SH sigop undercount in pure-Rust disabled-opcode parser
Action: Upgrade zebra-script to 7.0.0 or later.
cargo update -p zebra-script --precise 7.0.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 7.0.0 | - |
Fixed versions
| 7.0.0 |
Sources
- osv: GHSA-gf9r-m956-97qx
- nvd: CVE-2026-52735
- https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-gf9r-m956-97qx
- https://github.com/AlfredoG87/zcash_script/blob/v0.4.4/src/script/iter.rs#L104-L115
- https://github.com/ZcashFoundation/zebra
- https://github.com/ZcashFoundation/zebra/blob/d4cd662c716382f6397d2a730148025a1ca79fec/zebra-consensus/src/block.rs#L140
- https://github.com/ZcashFoundation/zebra/blob/d4cd662c716382f6397d2a730148025a1ca79fec/zebra-script/src/lib.rs#L383-L400
CVE-2026-52735 · published · modified · JSON