How many CVEs have patched RsaPkcs1Utilities?

1 published CVEs changed RsaPkcs1Utilities in bcgit/bc-csharp, in 1 distinct patches totalling 240 changed lines, between 2026 and 2026.

What is the latest CVE that changed RsaPkcs1Utilities?

CVE-2026-63573 (Bleichenbacher padding oracle in CMS RSA PKCS#1 v1.5 key-transport unwrap), published 2026-10-02, changed lines 1 to 240 of crypto/src/crypto/util/RsaPkcs1Utilities.cs.

How does RsaPkcs1Utilities compare to the rest of bcgit/bc-csharp?

bcgit/bc-csharp has 23 CVEs with a located fix in total; 1 of them changed RsaPkcs1Utilities.

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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RsaPkcs1Utilities

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Patched Functions
Bcgit
Bc Csharp
RsaPkcs1Utilities

RsaPkcs1Utilities in bcgit/bc-csharp: Patched by 1 CVEs

bcgit/bc-csharp

Class

RsaPkcs1Utilities

Name: RsaPkcs1Utilities in bcgit/bc-csharp: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

crypto/src/crypto/util/RsaPkcs1Utilities.cs

Last patched October 2, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

240

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

RsaPkcs1Utilities in bcgit/bc-csharp was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 240 lines in total.

bcgit/bc-csharp has 23 CVEs with a located fix in total, so 4% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed RsaPkcs1Utilities, newest first, with the lines each fix touched.

Bleichenbacher padding oracle in CMS RSA PKCS#1 v1.5 key-transport unwrap
CVE-2026-63573 · lines 1–240 · +240 −0
High · CVSS 8.2
EPSS 0.3%2026-10-02

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Other hotspots in the repository

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

GenerateCipherParameters3 CVEs · crypto/src/security/PbeUtilities.cs FindDepth3 CVEs · crypto/src/asn1/Asn1InputStream.cs FindLimit3 CVEs · crypto/src/asn1/Asn1InputStream.cs ImplGetInteger3 CVEs · crypto/src/math/ec/ECCurve.cs BuildField3 CVEs · crypto/src/math/ec/ECCurve.cs ValidateIterations3 CVEs · crypto/src/pkcs/Pkcs12Utilities.cs

All patched functions in bcgit/bc-csharp

Frequently asked questions

Common questions about CVE fixes to RsaPkcs1Utilities.

How many CVEs have patched RsaPkcs1Utilities?: 1 published CVEs changed RsaPkcs1Utilities in bcgit/bc-csharp, in 1 distinct patches totalling 240 changed lines, between 2026 and 2026.
What is the latest CVE that changed RsaPkcs1Utilities?: CVE-2026-63573 (Bleichenbacher padding oracle in CMS RSA PKCS#1 v1.5 key-transport unwrap), published 2026-10-02, changed lines 1 to 240 of crypto/src/crypto/util/RsaPkcs1Utilities.cs.
How does RsaPkcs1Utilities compare to the rest of bcgit/bc-csharp?: bcgit/bc-csharp has 23 CVEs with a located fix in total; 1 of them changed RsaPkcs1Utilities.
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

crypto/src/crypto/util/RsaPkcs1Utilities.cs on GitHub (opens in a new tab)
All patched functions in bcgit/bc-csharp
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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