gf2n.cpp in Crypto++ (aka cryptopp) through 8.9.0 allows attackers to cause a denial of service (application crash) via DER public-key data for an F(2^m) curve, if the degree of each term in the polynomial is not strictly decreasing.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Crypto++ | Cryptopp | * | 8.9.0 (including) |
| Libcrypto++ | Ubuntu | bionic | * |
| Libcrypto++ | Ubuntu | focal | * |
| Libcrypto++ | Ubuntu | lunar | * |
| Libcrypto++ | Ubuntu | mantic | * |
| Libcrypto++ | Ubuntu | oracular | * |
| Libcrypto++ | Ubuntu | plucky | * |
| Libcrypto++ | Ubuntu | trusty | * |
| Libcrypto++ | Ubuntu | trusty/esm | * |
| Libcrypto++ | Ubuntu | xenial | * |