7.3
HighCVSS 4.0 · from GitHub_M
CVE-2026-118765
Botan: AutoSeeded_RNG can become reinitialized from predictable data after clearing state
botan · CWE-335 · CWE-335Affectedbotan
FixNo fix listed yet.
PublishedOct 29, 17:12 · GitHub_M
ScoredOct 29 · 7.3 · GitHub_M
Exploit code publicNone known · checked 21:18 UTC
ExploitedNone known · CISA KEV checked 22:08 UTC
What we know
No known exploitation. CISA KEV, checked 22:08 UTC.
No public exploit code known. Exploit-DB, Metasploit, Nuclei, checked 21:18 UTC.
An attacker needs local access to the machine. CVSS: local.
It only works under certain conditions, which makes it harder to pull off. CVSS: high attack complexity.
A successful attack can read and change data and take the service down. CVSS: high impact on confidentiality, integrity and availability.
A successful attack gives full control of the affected system. CISA: technical impact total.
Description
Botan is a C++ cryptography library. From 3.7.0 until 3.13.0, an application that calls AutoSeeded_RNG::clear() and then calls randomize with an empty output buffer while the generator is unseeded can cause AutoSeeded_RNG to mark itself seeded without consulting the configured entropy source. On builds without BOTAN_HAS_SYSTEM_RNG, the fallback uses only a clock value and process ID, so a later non-empty request can produce output from predictable state. This issue is fixed in version 3.13.0.
From GitHub_M
Affected and fixed versions
ProductAffectedFixed inbotan>= 3.7.0, < 3.13.0–
Exploit code
Exploit-DBnone knownMetasploitnone knownNucleinone known