CVE catalog
CVE-2020-15522
bouncycastle: CVE-2020-15522
- Severity
- Medium · CVSS 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.52% · Oct 25, 2026
Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | bouncycastle | sid | 1.86.2-1 | fixed |
| Debian | bouncycastle | forky | 1.86-1 | fixed |
| Debian | bouncycastle | trixie | 1.80-3 | fixed |
| Debian | bouncycastle | bookworm | 1.72-2 | fixed |
| Ubuntu | bouncycastle | pro | 1.61-1 | vulnerable |
| Ubuntu | bouncycastle | pro | 1.61-1ubuntu0.1~esm1 | vulnerable |
| Opensuse | bouncycastle | leap 15.2 | 1.64-lp152.2.3.1 | fixed |
| Suse | bouncycastle | linux enterprise module for development tools 15 sp2 | 1.64-3.3.1 | fixed |
| Suse | bouncycastle | linux enterprise module for development tools 15 sp3 | 1.64-3.3.1 | fixed |
| Opensuse | bouncycastle | leap 15.3 | 1.64-3.3.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | bouncycastle | source | sid | 1.68-1 | not yet assigned | Not reported | Not reported |
| Debian | bouncycastle | source | forky | 1.68-1 | not yet assigned | Not reported | Not reported |
| Debian | bouncycastle | source | trixie | 1.68-1 | not yet assigned | Not reported | Not reported |
| Debian | bouncycastle | source | bookworm | 1.68-1 | not yet assigned | Not reported | Not reported |
| Opensuse | bouncycastle | rpm | leap 15.2 | 1.64-lp152.2.3.1 | Not reported | OPENSUSE-SU-2021:0940-1 | Not reported |
| Suse | bouncycastle | rpm | linux enterprise module for development tools 15 sp2 | 1.64-3.3.1 | Not reported | SUSE-SU-2021:2163-1 | Not reported |
| Suse | bouncycastle | rpm | linux enterprise module for development tools 15 sp3 | 1.64-3.3.1 | Not reported | SUSE-SU-2021:2163-1 | Not reported |
| Opensuse | bouncycastle | rpm | leap 15.3 | 1.64-3.3.1 | Not reported | OPENSUSE-SU-2021:2163-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libbcjmail-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
- [libbcmail-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
- [libbcpg-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
- [libbcpkix-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
- [libbcprov-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
- [libbctls-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
- [libbcutil-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.68-1dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
[Debian 13 (Trixie)]
- [libbcjmail-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
- [libbcmail-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
- [libbcpg-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
- [libbcpkix-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
- [libbcprov-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
- [libbctls-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
- [libbcutil-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.68-1dsa · bouncycastle · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2021_2163-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-15522]
- [https://osv.dev/vulnerability/SUSE-SU-2021:2163-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-15522]
- [https://osv.dev/vulnerability/openSUSE-SU-2021:0940-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2021:2163-1]
- [https://security-tracker.debian.org/tracker/CVE-2020-15522]
- [https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-15522.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]