
CVE catalog
CVE-2020-28052
bouncycastle: CVE-2020-28052
- Severity
- High · CVSS 8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 7.22% · Oct 25, 2026
An issue was discovered in Legion of the Bouncy Castle BC Java 1.65 and 1.66. The OpenBSDBCrypt.checkPassword utility method compared incorrect data when checking the password, allowing incorrect passwords to indicate they were matching with previously hashed ones that were different.
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 |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | bouncycastle | source | sid | 1.65-2 | not yet assigned | Not reported | [977683] |
| Debian | bouncycastle | source | forky | 1.65-2 | not yet assigned | Not reported | [977683] |
| Debian | bouncycastle | source | trixie | 1.65-2 | not yet assigned | Not reported | [977683] |
| Debian | bouncycastle | source | bookworm | 1.65-2 | not yet assigned | Not reported | [977683] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libbcjmail-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
- [libbcmail-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
- [libbcpg-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
- [libbcpkix-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
- [libbcprov-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
- [libbctls-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
- [libbcutil-java]Fixed
Source package: [bouncycastle]
Details (2)
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
1.72-2· all · bookwormFixed · Fixed:
1.65-2dsa · bouncycastle · debian · bookworm; dsa · bouncycastle · debian · 12
[Debian 13 (Trixie)]
- [libbcjmail-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
- [libbcmail-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
- [libbcpg-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
- [libbcpkix-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
- [libbcprov-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
- [libbctls-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
- [libbcutil-java]Fixed
Source package: [bouncycastle]
Details (2)
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
1.80-3· all · trixieFixed · Fixed:
1.65-2dsa · bouncycastle · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_10661-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-28052]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-28052]
- [https://security-tracker.debian.org/tracker/CVE-2020-28052]
- [https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-28052.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2023-1272.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]