CVE-2023-50980

Name: CVE-2023-50980
Creator: NVD / NIST
Published: 2023-12-18T04:15:51.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2023-50980 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.83%

52.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cryptopp	Crypto\+\+	<= 8.9.0

References

https://github.com/weidai11/cryptopp/issues/1248Exploit, Issue Tracking
https://github.com/weidai11/cryptopp/issues/1248Exploit, Issue Tracking

Timeline

Published: Dec 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-50980?

How severe is CVE-2023-50980?

CVE-2023-50980 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2023-50980?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-50980?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST