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CVE-2026-43823 When initializing an RSA public key from DER or PEM bytes throws an error, the EVP_PKEY* is double-freed: first in the…

Description

When initializing an RSA public key from DER or PEM bytes throws an error, the EVP_PKEY* is double-freed: first in the catch block, then in the deinit. This can lead to a crash on future memory allocations. This double-free manifests when BoringSSL cannot decode the public key from the bytes provided. This vulnerability is addressed in swift-crypto version 4.5.1.

Affected products and versions

Product Affected versions Fixed in
swift-crypto 4.5 earliest → < 4.5.1 4.5.1

References

Timeline

  1. Published
  2. Last modified

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