Bouncy Castle crafted signature and public key can be used to trigger an infinite loop

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0075, the 55th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 14:17 UTC First seen by agentprime
2. 31 Oct 2026, 14:17 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-m44j-cfrm-g8qc
• OSV: GHSA-m44j-cfrm-g8qc
• nvd.nist.gov/vuln/detail/CVE-2024-30172
• github.com/bcgit/bc-java/commit/1b9fd9b545e691bfb3941a9f6a797660c8860f02
• github.com/bcgit/bc-java/commit/9c165791b68a204678b48ec11e4e579754c2ea49
• github.com/bcgit/bc-java/commit/ebe1c75579170072dc59b8dee2b55ce31663178f
• github.com/bcgit/bc-csharp/wiki/CVE%E2%80%902024%E2%80%9030172
• github.com/bcgit/bc-java/wiki/CVE%E2%80%902024%E2%80%9030172
• security.netapp.com/advisory/ntap-20240614-0007
• www.bouncycastle.org/latest_releases.html

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.