How many CVEs have patched decryptBlock?

2 published CVEs changed decryptBlock in bcgit/bc-java, in 2 distinct patches totalling 41 changed lines, between 2018 and 2026.

What is the latest CVE that changed decryptBlock?

CVE-2026-12816 (IESEngine stream-mode MAC forgery via length-dependent KDF split), published 2026-08-03, changed lines 298 to 300 of core/src/main/java/org/bouncycastle/crypto/engines/IESEngine.java.

How does decryptBlock compare to the rest of bcgit/bc-java?

bcgit/bc-java has 73 CVEs with a located fix in total; 2 of them changed decryptBlock.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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bcgit/bc-java

Function

decryptBlock

Name: decryptBlock in bcgit/bc-java: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

core/src/main/java/org/bouncycastle/crypto/engines/IESEngine.java

Last patched August 3, 2026

2

CVEs

That changed this function

2

Distinct patches

Backports counted once

41

Lines changed

Added plus removed

2018–2026

Years

By CVE publication date

Overview

decryptBlock in bcgit/bc-java was changed by 2 published CVE fixes between 2018 and 2026, in 2 distinct patches that added or removed 41 lines in total.

bcgit/bc-java has 73 CVEs with a located fix in total, so 3% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed decryptBlock, newest first, with the lines each fix touched.

IESEngine stream-mode MAC forgery via length-dependent KDF split
CVE-2026-12816 · lines 298–300 · +3 −10
High · CVSS 8.7
EPSS 0.2%2026-08-03
Moderate severity vulnerability that affects org.bouncycastle:bcprov-jdk14 and org.bouncycastle:bcprov-jdk15
CVE-2016-1000345 · lines 272–377 · +18 −10 in 5 hunks
Medium · CVSS 5.9
EPSS 2.6%2018-06-04

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Other functions in these files

Functions in the same file that CVE fixes also changed.

Other hotspots in the repository

Functions in bcgit/bc-java changed by the most CVE fixes.

engineDoFinal3 CVEs · prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/dh/IESCipher.java checkNameConstraints2 CVEs · pkix/src/main/java/org/bouncycastle/pkix/jcajce/PKIXCertPathReviewer.java processPacket2 CVEs · core/src/main/java/org/bouncycastle/crypto/modes/KCCMBlockCipher.java checkNameConstraints2 CVEs · prov/src/main/java/org/bouncycastle/x509/PKIXCertPathReviewer.java readBlock2 CVEs · pg/src/main/java/org/bouncycastle/openpgp/operator/bc/BcAEADUtil.java readBlock2 CVEs · pg/src/main/java/org/bouncycastle/openpgp/operator/jcajce/JceAEADUtil.java

All patched functions in bcgit/bc-java

Frequently asked questions

Common questions about CVE fixes to decryptBlock.

How many CVEs have patched decryptBlock?: 2 published CVEs changed decryptBlock in bcgit/bc-java, in 2 distinct patches totalling 41 changed lines, between 2018 and 2026.
What is the latest CVE that changed decryptBlock?: CVE-2026-12816 (IESEngine stream-mode MAC forgery via length-dependent KDF split), published 2026-08-03, changed lines 298 to 300 of core/src/main/java/org/bouncycastle/crypto/engines/IESEngine.java.
How does decryptBlock compare to the rest of bcgit/bc-java?: bcgit/bc-java has 73 CVEs with a located fix in total; 2 of them changed decryptBlock.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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