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botan2 security update

Type: advisorySource: OSV1 source record

Botan is a BSD-licensed crypto library written in C++. It provides a wide variety of basic cryptographic algorithms, X.509 certificates and CRLs, PKCS \#10 certificate requests, a filter/pipe message processing system, and a wide variety of other features, all written in portable C++. The API reference, tutorial, and examples may help impart the flavor of the library. This is the current stable release branch 2.x of Botan. Security Fix(es): Botan is a C++ cryptography library. From version 2.3.0 to before version 3.11.0, during SM2 decryption, the code that checked the authentication code value (C3) failed to check that the encoded value was of the expected length prior to comparison. An invalid ciphertext can cause a heap over-read of up to 31 bytes, resulting in a crash or potentially other undefined behavior. This issue has been patched in version 3.11.0.(CVE-2026-32877) 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.(CVE-2026-44378)

Announced Source revision 1
Original source ↗

OESA-2026-4215

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:OESA-2026-4215

botan2

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
2.19.3-7.oe2403sp1

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "2.19.3-7.oe2403sp1"
          }
        ]
      }
    ],
    "package": {
      "name": "botan2",
      "purl": "pkg:rpm/openEuler/botan2&distro=openEuler-24.03-LTS-SP1",
      "ecosystem": "openEuler:24.03-LTS-SP1"
    },
    "database_specific": {
      "source": "https://repo.openeuler.org/security/data/osv/OESA-2026-4215.json"
    },
    "ecosystem_specific": {
      "src": [
        "botan2-2.19.3-7.oe2403sp1.src.rpm"
      ],
      "noarch": [
        "botan2-doc-2.19.3-7.oe2403sp1.noarch.rpm"
      ],
      "x86_64": [
        "botan2-2.19.3-7.oe2403sp1.x86_64.rpm",
        "botan2-debuginfo-2.19.3-7.oe2403sp1.x86_64.rpm",
        "botan2-debugsource-2.19.3-7.oe2403sp1.x86_64.rpm",
        "botan2-devel-2.19.3-7.oe2403sp1.x86_64.rpm",
        "python3-botan2-2.19.3-7.oe2403sp1.x86_64.rpm"
      ],
      "aarch64": [
        "botan2-2.19.3-7.oe2403sp1.aarch64.rpm",
        "botan2-debuginfo-2.19.3-7.oe2403sp1.aarch64.rpm",
        "botan2-debugsource-2.19.3-7.oe2403sp1.aarch64.rpm",
        "botan2-devel-2.19.3-7.oe2403sp1.aarch64.rpm",
        "python3-botan2-2.19.3-7.oe2403sp1.aarch64.rpm"
      ]
    }
  }
]

Publisher severity

high

Source reference: /database_specific/severity

Event
#52156 · Revision 1
Added to Heist Feed
Publisher date
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