CVE-2026-13505High· 7.5▾ TwilightA flaw was found in Bouncy Castle for Java FIPS (BC-FJA). Sensitive cryptographic key material, intended to be securely erased from memory (zeroised) upon garbage collection, may persist longer than expected. This occurs because the zerois…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 18.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.3%
Last analysed / modified upstream
— → 7.5
0.3% → 0.4%
A flaw was found in Bouncy Castle for Java FIPS (BC-FJA). Sensitive cryptographic key material, intended to be securely erased from memory (zeroised) upon garbage collection, may persist longer than expected. This occurs because the zeroisation process relies on a deprecated Java finalization mechanism, which can be delayed on Java 9 and later versions. Consequently, sensitive key material could remain resident in the system's memory, potentially leading to information disclosure.
org.bouncycastle/bc-fips: Bouncy Castle for Java FIPS: Sensitive key material remains in memory due to delayed zeroisation — rated Important by Red Hat. Released 2026-08-08, updated 2026-09-24.
Affected:
No fix planned:
Affected
Workarounds / mitigations:
Affected packages:
org.bouncycastle:bc-fips < 1.0.2.7org.bouncycastle:bc-fips >= 2.0.0, < 2.0.2org.bouncycastle:bc-fips >= 2.1.0, < 2.1.3Patched in:
org.bouncycastle:bc-fips 1.0.2.7org.bouncycastle:bc-fips 2.0.2org.bouncycastle:bc-fips 2.1.3Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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