How many CVEs have patched isCanonicalCurve?

1 published CVEs changed isCanonicalCurve in bcgit/bc-java, in 1 distinct patches totalling 20 changed lines, between 2026 and 2026.

What is the latest CVE that changed isCanonicalCurve?

CVE-2026-71891 (BLS12-381 key validation accepts a public key built on a foreign curve), published 2026-10-03, changed lines 67 to 85 of core/src/main/java/org/bouncycastle/crypto/bls/BLS12_381G1.java.

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

bcgit/bc-java has 73 CVEs with a located fix in total; 1 of them changed isCanonicalCurve.

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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IsCanonicalCurve

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Patched Functions
Bcgit
Bc Java
IsCanonicalCurve

isCanonicalCurve in bcgit/bc-java: Patched by 1 CVEs

bcgit/bc-java

Function

isCanonicalCurve

Name: isCanonicalCurve 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/bls/BLS12_381G1.java

Last patched October 3, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

isCanonicalCurve in bcgit/bc-java was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 20 lines in total.

bcgit/bc-java has 73 CVEs with a located fix in total, so 1% of them touched this function.

CVEs that patched it

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

BLS12-381 key validation accepts a public key built on a foreign curve
CVE-2026-71891 · lines 67–85 · +19 −1
High · CVSS 7.1
EPSS 0.2%2026-10-03

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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 isCanonicalCurve.

How many CVEs have patched isCanonicalCurve?: 1 published CVEs changed isCanonicalCurve in bcgit/bc-java, in 1 distinct patches totalling 20 changed lines, between 2026 and 2026.
What is the latest CVE that changed isCanonicalCurve?: CVE-2026-71891 (BLS12-381 key validation accepts a public key built on a foreign curve), published 2026-10-03, changed lines 67 to 85 of core/src/main/java/org/bouncycastle/crypto/bls/BLS12_381G1.java.
How does isCanonicalCurve compare to the rest of bcgit/bc-java?: bcgit/bc-java has 73 CVEs with a located fix in total; 1 of them changed isCanonicalCurve.
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

core/src/main/java/org/bouncycastle/crypto/bls/BLS12_381G1.java on GitHub (opens in a new tab)
All patched functions in bcgit/bc-java
Patched functions directory

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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Overview
CVEs that patched it
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References