CVE-2024-29857
MEDIUM5.3EPSS 0.26%Bouncy Castle certificate parsing issues cause high CPU usage during parameter evaluation.
Published: 5/14/2024Modified: 4/28/2026
Description
An issue was discovered in ECCurve.java and ECCurve.cs in Bouncy Castle Java (BC Java) before 1.78, BC Java LTS before 2.73.6, BC-FJA before 1.0.2.5, and BC C# .Net before 2.3.1. Importing an EC certificate with crafted F2m parameters can lead to excessive CPU consumption during the evaluation of the curve parameters.
Affected packages (11)
- Debian/bouncycastlefrom 0
- Maven/org.bouncycastle:bc-fipsfrom 0, < 1.0.2.5
- Maven/org.bouncycastle:bcprov-jdk14from 0, < 1.78
- Maven/org.bouncycastle:bcprov-jdk15onfrom 0, < 1.78
- Maven/org.bouncycastle:bcprov-jdk15to18from 0, < 1.78
- Maven/org.bouncycastle:bcprov-jdk18onfrom 0, < 1.78
- Maven/org.bouncycastle:bctls-jdk14from 0, < 1.78
- Maven/org.bouncycastle:bctls-jdk15to18from 0, < 1.78
- Maven/org.bouncycastle:bctls-jdk18onfrom 0, < 1.78
- NuGet/BouncyCastlefrom 0
- NuGet/BouncyCastle.Cryptographyfrom 0, < 2.3.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
References (9)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2024-29857
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2024-29857
- WEBhttps://github.com/bcgit/bc-csharp/commit/56daa6eac526f165416d17f661422d60de0dfd63
- WEBhttps://github.com/bcgit/bc-csharp/wiki/CVE%E2%80%902024%E2%80%9029857
- WEBhttps://github.com/bcgit/bc-java/commit/efc498ca4caa340ac2fe11f2efee06c1a294501f
- WEBhttps://github.com/bcgit/bc-java/commit/fee80dd230e7fba132d03a34f1dd1d6aae0d0281
- WEBhttps://github.com/bcgit/bc-java/wiki/CVE%E2%80%902024%E2%80%9029857
- WEBhttps://security.netapp.com/advisory/ntap-20241206-0008
- WEBhttps://www.bouncycastle.org/latest_releases.html