Back Linuxsecurity Ubuntu 20.04 OpenSSL Security Flaw Denial of Service Notice USN-7980
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in OpenSSL. Software Description: - openssl: Secure Socket Layer (SSL) cryptographic library and tools - openssl1.0: Secure Socket Layer (SSL) cryptographic library and tools Details: USN-7980-2 fixed vulnerabilities in OpenSSL. This update provides the corresponding updates for CVE-2025-68160 for openssl and openssl1.0, CVE-2025-69418 for openssl on Ubuntu 18.04 LTS and Ubuntu 20.04 LTS, CVE-2025-69419 for openssl on Ubuntu 18.04 LTS and Ubuntu 20.04 LTS, CVE-2025-69420 for openssl on Ubuntu 18.04 LTS and Ubuntu 20.04 LTS, CVE-2025-69421 for openssl and openssl1.0, CVE-2026-22795 for openssl on Ubuntu 18.04 LTS and Ubuntu 20.04 LTS, and CVE-2026-22796 for openssl and openssl1.0. Original advisory details: Stanislav Fort, Petr \u0160ime\u010dek, and Hamza discovered that OpenSSL
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in OpenSSL. Software Description: - openssl: Secure Socket Layer (SSL) cryptographic library and tools - openssl1.0: Secure Socket Layer (SSL) cryptographic library and tools Details: USN-7980-2 fixed vulnerabilities in OpenSSL. This update provides the corresponding updates for CVE-2025-68160 for openssl and openssl1.0, CVE-2025-69418 for openssl on Ubuntu 18.04 LTS and Ubuntu 20.04 LTS, CVE-2025-69419 for openssl on Ubuntu 18.04 LTS and Ubuntu 20.04 LTS, CVE-2025-69420 for openssl on Ubuntu 18.04 LTS and Ubuntu 20.04 LTS, CVE-2025-69421 for openssl and openssl1.0, CVE-2026-22795 for openssl on Ubuntu 18.04 LTS and Ubuntu 20.04 LTS, and CVE-2026-22796 for openssl and openssl1.0. Original advisory details: Stanislav Fort, Petr \u0160ime\u010dek, and Hamza discovered that OpenSSL
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS libssl1.1 1.1.1f-1ubuntu2.24+esm2 Available with Ubuntu Pro openssl 1.1.1f-1ubuntu2.24+esm2 Available with Ubuntu Pro Ubuntu 18.04 LTS libssl1.0.0 1.0.2n-1ubuntu5.13+esm3 Available with Ubuntu Pro libssl1.1 1.1.1-1ubuntu2.1~18.04.23+esm7 Available with Ubuntu Pro openssl 1.1.1-1ubuntu2.1~18.04.23+esm7 Available with Ubuntu Pro openssl1.0 1.0.2n-1ubuntu5.13+esm3 Available with Ubuntu Pro Ubuntu 16.04 LTS libssl1.0.0 1.0.2g-1ubuntu4.20+esm14 Available with Ubuntu Pro openssl 1.0.2g-1ubuntu4.20+esm14 Available with Ubuntu Pro Ubuntu 14.04 LTS libssl1.0.0 1.0.1f-1ubuntu2.27+esm12 Available with Ubuntu Pro openssl 1.0.1f-1ubuntu2.27+esm12 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS libssl1.1 1.1.1f-1ubuntu2.24+esm2 Available with Ubuntu Pro openssl 1.1.1f-1ubuntu2.24+esm2 Available with Ubuntu Pro Ubuntu 18.04 LTS libssl1.0.0 1.0.2n-1ubuntu5.13+esm3 Available with Ubuntu Pro libssl1.1 1.1.1-1ubuntu2.1~18.04.23+esm7 Available with Ubuntu Pro openssl 1.1.1-1ubuntu2.1~18.04.23+esm7 Available with Ubuntu Pro openssl1.0 1.0.2n-1ubuntu5.13+esm3 Available with Ubuntu Pro Ubuntu 16.04 LTS libssl1.0.0 1.0.2g-1ubuntu4.20+esm14 Available with Ubuntu Pro openssl 1.0.2g-1ubuntu4.20+esm14 Available with Ubuntu Pro Ubuntu 14.04 LTS libssl1.0.0 1.0.1f-1ubuntu2.27+esm12 Available with Ubuntu Pro openssl 1.0.1f-1ubuntu2.27+esm12 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.
CVE-2025-68160, CVE-2025-69418, CVE-2025-69419, CVE-2025-69420, CVE-2025-69421, CVE-2026-22795, CVE-2026-22796
CVE-2025-68160, CVE-2025-69418, CVE-2025-69419, CVE-2025-69420,
The full story
This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.
