Medium severity5.3OSV Advisory· Published Aug 3, 2026· Updated Sep 2, 2026
CVE-2026-58063
CVE-2026-58063
Description
In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. 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).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6- Range: r2rv73dot11, r2rv73dot10, r2rv73dot9, …
- Range: <1.0.2.7, <2.0.2, <2.1.3
- Range: <1.85, <2.73.12, <1.0.2.7, <2.0.2, <2.1.3
- osv-coords3 versionspkg:apk/chainguard/bouncycastle-fipspkg:rpm/opensuse/bouncycastle&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/bouncycastle&distro=openSUSE%20Tumbleweed
< 2.1.3-r0+ 2 more
- (no CPE)range: < 2.1.3-r0
- (no CPE)range: < 1.85-160000.1.1
- (no CPE)range: < 1.85-1.1
Patches
Vulnerability mechanics
References
1News mentions
2- Bouncy Castle for Java: 25 Vulnerabilities Disclosed Together on August 3, 2026Vypr Intelligence · Aug 3, 2026
- Bouncy Castle for Java: 25 Vulnerabilities Disclosed in Single Batch on August 3, 2026Vypr Intelligence · Aug 3, 2026