CVSS 4.0
8.7 highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:AmberCVE-2026-13506
High (8.7) in bouncycastle. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in org.bouncycastle:bcprov-jdk18on 1.85.
In Bouncy Castle for Java before 1.85, Lazy ASN.1 sequence forcing resets nesting-depth guard. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).
Severity
CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
- CWE
- CWE-674
- Published
- Modified
- Record from
- the NVD, synced
Affected
- bouncycastle:bc-java
- bouncycastle:bouncy_castle_for_java_lts
- bouncycastle:fips_java_api
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-qp49-qgx5-5m26 | Maven | org.bouncycastle:bcprov-jdk18on | <1.85 | 1.85 |
| GHSA-qp49-qgx5-5m26 | Maven | org.bouncycastle:bc-fips | <1.0.2.7 | 1.0.2.7 |
| GHSA-qp49-qgx5-5m26 | Maven | org.bouncycastle:bc-fips | >=2.0.0 <2.0.2 | 2.0.2 |
| GHSA-qp49-qgx5-5m26 | Maven | org.bouncycastle:bc-fips | >=2.1.0 <2.1.3 | 2.1.3 |
| GHSA-qp49-qgx5-5m26 | Maven | org.bouncycastle:bcprov-lts8on | <2.73.12 | 2.73.12 |
| GHSA-qp49-qgx5-5m26 | Maven | org.bouncycastle:bcprov-jdk15to18 | <1.85 | 1.85 |