USN-8103-2: Exiv2 regression

USN-8103-2: Exiv2 regression

https://ubuntu.com/security/notices/rss.xml / Fri, 03/20/2026 - 02:07
USN-8103-1 fixed vulnerabilities in Exiv2. The update caused a regression for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 25.10. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Exiv2 did not correctly handle reading certain buffers. An attacker could possibly use this issue to leak sensitive information. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2020-18771) Wen Cheng discovered that Exiv2 did not correctly handle certain memory allocation. If a user or system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2020-18899) It was discovered that Exiv2 did not correctly handle writing certain metadata. If a user or system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. (CVE-2025-54080) It was discovered that Exiv2 did not correctly handle parsing certain metadata. If a user or system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2025-55304) It was discovered that Exiv2 did not correctly handle parsing certain images. If a user or system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. (CVE-2026-25884) It was discovered that Exiv2 did not correctly handle previewing certain images. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-27596) It was discovered that Exiv2 did not correctly handle certain integer arithmetic. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-27631)

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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.