USN-8367-1: tar-fs vulnerabilities

USN-8367-1: tar-fs vulnerabilities

https://ubuntu.com/security/notices/rss.xml / Tue, 06/02/2026 - 20:27
It was discovered that tar-fs did not properly limit paths when extracting crafted tar files. An attacker could possibly use this issue to write or overwrite files outside the intended extraction directory. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2024-12905) It was discovered that tar-fs did not properly validate extraction paths for certain crafted tar archives. An attacker could possibly use this issue to write files outside the intended extraction directory. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2025-48387) It was discovered that tar-fs had a symlink validation bypass when extracting crafted tar files. An attacker could possibly use this issue to write files outside the intended extraction directory. (CVE-2025-59343)

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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.