CVE catalog

CVE-2026-12185

In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

[CVE catalog]

Severity: High · CVSS 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber
Published: Aug 2, 2026, 10:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.29% · Oct 25, 2026

In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

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`	vulnerable
Debian	bouncycastle	bookworm	`1.72-2`	vulnerable
Cpe	bc-java	Not reported	`1.85`	fixed
Cpe	bouncy_castle_for_java_lts	Not reported	Not reported	unknown
Suse	bouncycastle	linux enterprise server 16.0	`1.85-160000.1.1`	fixed
Suse	bouncycastle	linux enterprise server for sap applications 16.0	`1.85-160000.1.1`	fixed
Suse	bouncycastle	linux enterprise server 16.0	`1.85-160000.1.1`	fixed
Suse	bouncycastle	linux enterprise server for sap applications 16.0	`1.85-160000.1.1`	fixed
Suse	bouncycastle	linux enterprise module for development tools 15 sp7	`1.85-150200.3.38.1`	fixed
Suse	bouncycastle	linux enterprise high performance computing 15 sp4-espos	`1.85-150200.3.38.1`	fixed
Suse	bouncycastle	linux enterprise high performance computing 15 sp4-ltss	`1.85-150200.3.38.1`	fixed
Suse	bouncycastle	linux enterprise high performance computing 15 sp5-espos	`1.85-150200.3.38.1`	fixed
Suse	bouncycastle	linux enterprise high performance computing 15 sp5-ltss	`1.85-150200.3.38.1`	fixed
Suse	bouncycastle	linux enterprise server 15 sp4-ltss	`1.85-150200.3.38.1`	fixed
Suse	bouncycastle	linux enterprise server 15 sp5-ltss	`1.85-150200.3.38.1`	fixed
Suse	bouncycastle	linux enterprise server 15 sp6-ltss	`1.85-150200.3.38.1`	fixed
Suse	bouncycastle	linux enterprise server for sap applications 15 sp4	`1.85-150200.3.38.1`	fixed
Suse	bouncycastle	linux enterprise server for sap applications 15 sp5	`1.85-150200.3.38.1`	fixed
Suse	bouncycastle	linux enterprise server for sap applications 15 sp6	`1.85-150200.3.38.1`	fixed
Opensuse	bouncycastle	leap 16.0	`1.85-160000.1.1`	fixed
Opensuse	bouncycastle	tumbleweed	`1.85-1.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	bouncycastle	source	sid	`1.86-1`	not yet assigned	Not reported	[1143536]
Debian	bouncycastle	source	forky	`1.86-1`	not yet assigned	Not reported	[1143536]
Debian	bouncycastle	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1143536]
Debian	bouncycastle	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1143536]
Cpe	bc-java	cpe	Not reported	`1.85`	Not reported	NVD-CVE-2026-12185	Not reported
Suse	bouncycastle	rpm	linux enterprise server 16.0	`1.85-160000.1.1`	Not reported	SUSE-SU-2026:23150-1	Not reported
Suse	bouncycastle	rpm	linux enterprise server for sap applications 16.0	`1.85-160000.1.1`	Not reported	SUSE-SU-2026:23150-1	Not reported
Suse	bouncycastle	rpm	linux enterprise server 16.0	`1.85-160000.1.1`	Not reported	SUSE-SU-2026:23127-1	Not reported
Suse	bouncycastle	rpm	linux enterprise server for sap applications 16.0	`1.85-160000.1.1`	Not reported	SUSE-SU-2026:23127-1	Not reported
Suse	bouncycastle	rpm	linux enterprise module for development tools 15 sp7	`1.85-150200.3.38.1`	Not reported	SUSE-SU-2026:3559-1	Not reported
Suse	bouncycastle	rpm	linux enterprise high performance computing 15 sp4-espos	`1.85-150200.3.38.1`	Not reported	SUSE-SU-2026:3559-1	Not reported
Suse	bouncycastle	rpm	linux enterprise high performance computing 15 sp4-ltss	`1.85-150200.3.38.1`	Not reported	SUSE-SU-2026:3559-1	Not reported
Suse	bouncycastle	rpm	linux enterprise high performance computing 15 sp5-espos	`1.85-150200.3.38.1`	Not reported	SUSE-SU-2026:3559-1	Not reported
Suse	bouncycastle	rpm	linux enterprise high performance computing 15 sp5-ltss	`1.85-150200.3.38.1`	Not reported	SUSE-SU-2026:3559-1	Not reported
Suse	bouncycastle	rpm	linux enterprise server 15 sp4-ltss	`1.85-150200.3.38.1`	Not reported	SUSE-SU-2026:3559-1	Not reported
Suse	bouncycastle	rpm	linux enterprise server 15 sp5-ltss	`1.85-150200.3.38.1`	Not reported	SUSE-SU-2026:3559-1	Not reported
Suse	bouncycastle	rpm	linux enterprise server 15 sp6-ltss	`1.85-150200.3.38.1`	Not reported	SUSE-SU-2026:3559-1	Not reported
Suse	bouncycastle	rpm	linux enterprise server for sap applications 15 sp4	`1.85-150200.3.38.1`	Not reported	SUSE-SU-2026:3559-1	Not reported
Suse	bouncycastle	rpm	linux enterprise server for sap applications 15 sp5	`1.85-150200.3.38.1`	Not reported	SUSE-SU-2026:3559-1	Not reported
Suse	bouncycastle	rpm	linux enterprise server for sap applications 15 sp6	`1.85-150200.3.38.1`	Not reported	SUSE-SU-2026:3559-1	Not reported
Opensuse	bouncycastle	rpm	leap 16.0	`1.85-160000.1.1`	Not reported	OPENSUSE-SU-2026:21538-1	Not reported
Opensuse	bouncycastle	rpm	tumbleweed	`1.85-1.1`	Not reported	OPENSUSE-SU-2026:11445-1	Not reported

[Debian bug #1143536]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libbcjmail-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
[libbcmail-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
[libbcpg-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
[libbcpkix-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
[libbcprov-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
[libbctls-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
[libbcutil-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12
- 1.72-2 · all · bookworm
  Affected
  nvd · bouncycastle · debian · bookworm; nvd · bouncycastle · debian · 12

[Debian 13 (Trixie)]

[libbcjmail-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
[libbcmail-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
[libbcpg-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
[libbcpkix-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
[libbcprov-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
[libbctls-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
[libbcutil-java]Affected
Source package: [bouncycastle]
Details (2)
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13
- 1.80-3 · all · trixie
  Affected
  nvd · bouncycastle · debian · 13

[openSUSE Tumbleweed]

[bouncycastle-javadoc]Unknown
Source package: [bouncycastle]
Details (1)
- 1.85-1.1 · noarch · tumbleweed
  Unknown · Fixed: 1.85-1.1
  Version impact unknown
  nvd · bouncycastle · opensuse · tumbleweed
[bouncycastle-jmail]Unknown
Source package: [bouncycastle]
Details (1)
- 1.85-1.1 · noarch · tumbleweed
  Unknown · Fixed: 1.85-1.1
  Version impact unknown
  nvd · bouncycastle · opensuse · tumbleweed
[bouncycastle-mail]Unknown
Source package: [bouncycastle]
Details (1)
- 1.85-1.1 · noarch · tumbleweed
  Unknown · Fixed: 1.85-1.1
  Version impact unknown
  nvd · bouncycastle · opensuse · tumbleweed
[bouncycastle-pg]Unknown
Source package: [bouncycastle]
Details (1)
- 1.85-1.1 · noarch · tumbleweed
  Unknown · Fixed: 1.85-1.1
  Version impact unknown
  nvd · bouncycastle · opensuse · tumbleweed
[bouncycastle-pkix]Unknown
Source package: [bouncycastle]
Details (1)
- 1.85-1.1 · noarch · tumbleweed
  Unknown · Fixed: 1.85-1.1
  Version impact unknown
  nvd · bouncycastle · opensuse · tumbleweed
[bouncycastle-tls]Unknown
Source package: [bouncycastle]
Details (1)
- 1.85-1.1 · noarch · tumbleweed
  Unknown · Fixed: 1.85-1.1
  Version impact unknown
  nvd · bouncycastle · opensuse · tumbleweed

Next results

Observed: Oct 23, 2026, 9:42:40 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]