Description
Meow hash 0.5/calico does not sufficiently thwart key recovery by an attacker who can query whether there's a collision in the bottom bits of the hashes of two messages, as demonstrated by an attack against a long-running web service that allows the attacker to infer collisions by measuring timing differences.
Metrics
CVSS 3.1 5.3/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://news.ycombinator.com/item?id=27978878Third Party Advisory
- https://peter.website/meow-hash-cryptanalysisThird Party Advisory
- https://news.ycombinator.com/item?id=27978878Third Party Advisory
- https://peter.website/meow-hash-cryptanalysisThird Party Advisory
Timeline
- Published
- Jul 30, 2021
- Last modified
- Jun 17, 2026
- NVD status
- Modified