| Name | CVE-2023-50980 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1059311 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libcrypto++ (PTS) | bullseye | 8.4.0-1 | vulnerable |
| bookworm | 8.7.0+git220824-1 | vulnerable |
| sid, trixie | 8.9.0-1.1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libcrypto++ | source | (unstable) | (unfixed) | | | 1059311 |
Notes
[bookworm] - libcrypto++ <ignored> (Minor issue)
[bullseye] - libcrypto++ <no-dsa> (Minor issue)
[buster] - libcrypto++ <no-dsa> (Minor issue)
https://github.com/weidai11/cryptopp/issues/1248
https://github.com/weidai11/cryptopp/commit/641ae35258de397774744b8b17ef6632c3fa48b3