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Ubuntu 24.10 USN-7586-1 critical: botan denial of service

ubuntu
Calendar Grey June 23, 2025
Dist Ubuntu Esm H88
Several security updates in Botan for Ubuntu versions 22.04 through 24.10 target denial of service vulnerabilities and additional concerns.
Several security issues were fixed in Botan.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in Botan. Software Description: - botan: C++ cryptography library Details: It was discovered that Botan could have compiler dependent operations induced under certain circumstances. An attacker could possibly use this issue to cause undefined behavior. (CVE-2024-50382, CVE-2024-50383) Bing Shi discovered that Botan did not limit the size of certain inputs when checking primality and name constraints. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-34702, CVE-2024-34703) It was discovered that Botan did not correctly handle conflicting name constraints. An attacker could possibly use this issue to bypass authentication. (CVE-2024-39312)

Topics%20covered

Topics Covered

security advisory denial of service security issue critical ubuntu botan

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.10 botan 2.19.3+dfsg-1ubuntu2.1 libbotan-2-19 2.19.3+dfsg-1ubuntu2.1 libbotan-2-dev 2.19.3+dfsg-1ubuntu2.1 python3-botan 2.19.3+dfsg-1ubuntu2.1 Ubuntu 24.04 LTS botan 2.19.3+dfsg-1ubuntu2+esm1 Available with Ubuntu Pro libbotan-2-19 2.19.3+dfsg-1ubuntu2+esm1 Available with Ubuntu Pro libbotan-2-dev 2.19.3+dfsg-1ubuntu2+esm1 Available with Ubuntu Pro python3-botan 2.19.3+dfsg-1ubuntu2+esm1 Available with Ubuntu Pro Ubuntu 22.04 LTS botan 2.19.1+dfsg-2ubuntu1+esm1 Available with Ubuntu Pro libbotan-2-19 2.19.1+dfsg-2ubuntu1+esm1 Available with Ubuntu Pro libbotan-2-dev 2.19.1+dfsg-2ubuntu1+esm1 Available with Ubuntu Pro python3-botan 2.19.1+dfsg-2ubuntu1+esm1 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7586-1

CVE-2024-34702, CVE-2024-34703, CVE-2024-39312, CVE-2024-50382,

CVE-2024-50383

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7586-1

Topics%20covered

Topics Covered

security advisory denial of service security issue critical ubuntu botan

Package Information

https://launchpad.net/ubuntu/+source/botan/2.19.3+dfsg-1ubuntu2.1

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