High severity8.6NVD Advisory· Published Jan 30, 2025· Updated Apr 15, 2026
CVE-2025-24802
CVE-2025-24802
Description
Plonky2 is a SNARK implementation based on techniques from PLONK and FRI. Lookup tables, whose length is not divisible by 26 = floor(num_routed_wires / 3) always include the 0 -> 0 input-output pair. Thus a malicious prover can always prove that f(0) = 0 for any lookup table f (unless its length happens to be divisible by 26). The cause of problem is that the LookupTableGate-s are padded with zeros. A workaround from the user side is to extend the table (by repeating some entries) so that its length becomes divisible by 26. This vulnerability is fixed in 1.0.1.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
plonky2crates.io | >= 1.0.0, < 1.0.1 | 1.0.1 |
Affected products
1Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-hj49-h7fq-px5hghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-24802ghsaADVISORY
- github.com/0xPolygonZero/plonky2/blob/main/plonky2/src/plonk/prover.rsnvdWEB
- github.com/0xPolygonZero/plonky2/commit/091047f7f10cae082716f3738ad59a583835f7b6nvdWEB
- github.com/0xPolygonZero/plonky2/security/advisories/GHSA-hj49-h7fq-px5hnvdWEB
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