# CVE-2023-50980: libcrypto++: gf2n.cpp in Crypto++ (aka cryptopp) through 8.9.0 allows attackers to cause a denial of service (application crash) v...

CVE-2023-50980 is fixed in libcrypto++ on 1 platform, first by DEBIAN-CVE-2023-50980, released December 18, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-50980
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0083
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 18, 2023

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libcrypto++ Debian 13.5 (trixie) | 8.9.0-2 | [DEBIAN-CVE-2023-50980](https://patchblox.com/security/data/fix/linux/debian-cve-2023-50980.md) | Dec 18, 2023 |
| Linux | libcrypto++ Debian 14 | 8.9.0-2 | [DEBIAN-CVE-2023-50980](https://patchblox.com/security/data/fix/linux/debian-cve-2023-50980.md) | Dec 18, 2023 |

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Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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