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6.9 Medium

CVE-2026-44378 Botan is a C++ cryptography library

Description

Botan is a C++ cryptography library. Prior to 3.12.0, certain patterns of indefinite length encodings in BER data could cause quadratic behavior in the parser, resulting in a denial of service. Such BER encodings were accepted even in structures which are required to be encoded as DER, which prohibits indefinite length encodings. This vulnerability is fixed in 3.12.0.

Affected products and versions

Product Affected versions Fixed in
Botan 3.12 earliest → < 3.12.0 3.12.0

Other CVEs of Botan

The 15 CVEs of Botan →
CVE-2026-118769 Botan is a C++ cryptography library 9.2 Critical CVE-2026-118768 Botan is a C++ cryptography library 5.9 Medium CVE-2026-118767 Botan is a C++ cryptography library 4.8 Medium CVE-2026-118766 Botan: Online OCSP redirects enable blind requests to internal HTTP services 6.1 Medium
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