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Ubuntu Security Notice USN-7001-2

Ubuntu Security Notice 7001-2 - USN-7001-1 fixed vulnerabilities in xmltol library. This update provides the corresponding updates for Ubuntu 24.04 LTS. Shang-Hung Wan discovered that Expat, contained within the xmltok library, did not properly handle certain function calls when a negative input length was provided. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code.

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==========================================================================Ubuntu Security Notice USN-7001-2September 17, 2024libxmltok vulnerabilities==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 24.04 LTSSummary:Several security issues were fixed in libxmltok.Software Description:- libxmltok: XML Parser Toolkit, developer librariesDetails:USN-7001-1 fixed vulnerabilities in xmltol library. This updateprovides the corresponding updates for Ubuntu 24.04 LTS.Original advisory details:  Shang-Hung Wan discovered that Expat, contained within the xmltok library,  did not properly handle certain function calls when a negative input  length was provided. An attacker could use this issue to cause a denial of  service or possibly execute arbitrary code. (CVE-2024-45490)  Shang-Hung Wan discovered that Expat, contained within the xmltok library,  did not properly handle the potential for an integer overflow on 32-bit  platforms. An attacker could use this issue to cause a denial of service  or possibly execute arbitrary code. (CVE-2024-45491)Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 24.04 LTS   libxmltok1t64                   1.2-4.1ubuntu2.24.0.4.1+esm1                                   Available with Ubuntu ProIn general, a standard system update will make all the necessary changes.References:   https://ubuntu.com/security/notices/USN-7001-2   https://ubuntu.com/security/notices/USN-7001-1   CVE-2024-45490, CVE-2024-45491

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Ubuntu Security Notice 7001-1 - Shang-Hung Wan discovered that Expat, contained within the xmltok library, did not properly handle certain function calls when a negative input length was provided. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. Shang-Hung Wan discovered that Expat, contained within the xmltok library, did properly handle the potential for an integer overflow on 32-bit platforms. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code.

Ubuntu Security Notice USN-7000-1

Ubuntu Security Notice 7000-1 - Shang-Hung Wan discovered that Expat did not properly handle certain function calls when a negative input length was provided. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. Shang-Hung Wan discovered that Expat did properly handle the potential for an integer overflow on 32-bit platforms. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code.

Ubuntu Security Notice USN-7000-1

Ubuntu Security Notice 7000-1 - Shang-Hung Wan discovered that Expat did not properly handle certain function calls when a negative input length was provided. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. Shang-Hung Wan discovered that Expat did properly handle the potential for an integer overflow on 32-bit platforms. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code.

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