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Vulnerabilities CVE-2026-43823

CVE-2026-43823

None
Open
TLP:CLEAR

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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.

Details

EPSS Score
0.26%

17.1th percentile

Confidence
90%
Published
Jul 23, 2026
Last Modified
Jul 23, 2026
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