How many CVEs have patched DecryptPreMasterSecret?

2 published CVEs changed DecryptPreMasterSecret in bcgit/bc-csharp, in 2 distinct patches totalling 229 changed lines, between 2024 and 2026.

What is the latest CVE that changed DecryptPreMasterSecret?

CVE-2026-63573 (Bleichenbacher padding oracle in CMS RSA PKCS#1 v1.5 key-transport unwrap), published 2026-10-02, changed lines 16 to 26 of crypto/src/crypto/tls/TlsRsaKeyExchange.cs.

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

bcgit/bc-csharp has 23 CVEs with a located fix in total; 2 of them changed DecryptPreMasterSecret.

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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DecryptPreMasterSecret

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Weaknesses (CWE)The MITRE CWE weakness catalog
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Patched Functions
Bcgit
Bc Csharp
DecryptPreMasterSecret

DecryptPreMasterSecret in bcgit/bc-csharp: Patched by 2 CVEs

bcgit/bc-csharp

Function

DecryptPreMasterSecret

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

crypto/src/crypto/tls/TlsRsaKeyExchange.cs

Last patched October 2, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

229

Lines changed

Added plus removed

2024–2026

Years

By CVE publication date

Overview

DecryptPreMasterSecret in bcgit/bc-csharp was changed by 2 published CVE fixes between 2024 and 2026, in 2 distinct patches that added or removed 229 lines in total.

bcgit/bc-csharp has 23 CVEs with a located fix in total, so 9% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed DecryptPreMasterSecret, 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 16–26 · +6 −203
High · CVSS 8.2
EPSS 0.3%2026-10-02
Bouncy Castle affected by timing side-channel for RSA key exchange ("The Marvin Attack")
CVE-2024-30171 · lines 14–53 · +11 −9 in 2 hunks
Medium · CVSS 5.9
EPSS 0.9%2024-05-09

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1ConvertInputcrypto/src/crypto/tls/TlsRsaKeyExchange.cs1 CVEs · 1 patches2024
2GetInputLimitcrypto/src/crypto/tls/TlsRsaKeyExchange.cs1 CVEs · 1 patches2024

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 DecryptPreMasterSecret.

How many CVEs have patched DecryptPreMasterSecret?: 2 published CVEs changed DecryptPreMasterSecret in bcgit/bc-csharp, in 2 distinct patches totalling 229 changed lines, between 2024 and 2026.
What is the latest CVE that changed DecryptPreMasterSecret?: CVE-2026-63573 (Bleichenbacher padding oracle in CMS RSA PKCS#1 v1.5 key-transport unwrap), published 2026-10-02, changed lines 16 to 26 of crypto/src/crypto/tls/TlsRsaKeyExchange.cs.
How does DecryptPreMasterSecret compare to the rest of bcgit/bc-csharp?: bcgit/bc-csharp has 23 CVEs with a located fix in total; 2 of them changed DecryptPreMasterSecret.
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/tls/TlsRsaKeyExchange.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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On this page

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