Stay Secure with the Latest Linux Advisories

security advisorydenial of servicebuffer overflow

Ubuntu 22.04: Libmobi Important Denial of Service USN-7638-1

Several security issues were fixed in Libmobi.. ========================================================================== Ubuntu Security Notice USN-7638-1 July 16, 2025 libmobi vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS Summary: Several security issues were fixed in Libmobi. Software Description: - libmobi: C library for handling Kindle (MOBI) formats of ebook documents Details: It was discovered that Libmobi did not correctly handle certain memory operations, which could lead to a buffer overflow. A local attacker could possibly trigger this vulnerability to cause a denial of service. (CVE-2022-1907, CVE-2022-1908) It was discovered that Libmobi could dereference a NULL pointer via the component mobi_buffer_getpointer. A local attacker could possibly trigger this vulnerability to cause a denial of service. (CVE-2022-29788) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS libmobi0 0.9+dfsg1-1ubuntu0.1~esm1 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7638-1 CVE-2022-1907, CVE-2022-1908, CVE-2022-29788 . Multiple vulnerabilities identified in Libmobi for Ubuntu 22.04, underscoring possible denial of service threats.. Ubuntu 22.04, Libmobi, security update. . Severity: Important. LinuxSecurity.com Team

Jul 17, 2025 •Important Ubuntu