USN-8649-1: libheif vulnerabilities

USN-8649-1: libheif vulnerabilities

https://ubuntu.com/security/notices/rss.xml / Wed, 08/19/2026 - 16:27
It was discovered that libheif had an integer underflow in the Fraction constructor when a clap transform was applied twice. An attacker could possibly use this issue to cause libheif to crash, resulting in a denial of service. (CVE-2026-62289) It was discovered that libheif had an out-of-bounds read in uncompressed tile range slicing. An attacker could possibly use this issue to cause libheif to crash, resulting in a denial of service. This issue only affected Ubuntu 25.10. (CVE-2026-62292)

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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.