Ubuntu Security Notice 5619-1 - It was discovered that LibTIFF was not properly performing the calculation of data that would eventually be used as a reference for bound-checking operations. An attacker could possibly use this issue to cause a denial of service or to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. It was discovered that LibTIFF was not properly terminating a function execution when processing incorrect data. An attacker could possibly use this issue to cause a denial of service or to expose sensitive information. This issue only affected Ubuntu 18.04 LTS.
874eb330e0f797a6a5f345bf829b68bb90c1d9ebe271887d31824c498314f317Ubuntu Security Notice 5523-2 - USN-5523-1 fixed several vulnerabilities in LibTIFF. This update provides the fixes for CVE-2022-0907, CVE-2022-0908, CVE-2022-0909, CVE-2022-0924 and CVE-2022-22844 for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. It was discovered that LibTIFF was not properly performing checks to guarantee that allocated memory space existed, which could lead to a NULL pointer dereference via a specially crafted file. An attacker could possibly use this issue to cause a denial of service.
81521516cda0735954a55daae6fa0943100b2d94e68820e6f180b476c570ccafUbuntu Security Notice 5523-1 - It was discovered that LibTIFF was not properly performing checks to guarantee that allocated memory space existed, which could lead to a NULL pointer dereference via a specially crafted file. An attacker could possibly use this issue to cause a denial of service. It was discovered that LibTIFF was not properly performing checks to avoid division calculations where the denominator value was zero, which could lead to an undefined behavior situation via a specially crafted file. An attacker could possibly use this issue to cause a denial of service.
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