Red Hat Security Advisory 2022-0824-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.7.0 ESR. Issues addressed include bypass, code execution, integer overflow, and use-after-free vulnerabilities.
f68b5b2d825ea8ea88fe125146cc153021465e2fbb031ab5be601caba75131fbUbuntu Security Notice 5320-1 - USN-5288-1 fixed several vulnerabilities in Expat. For CVE-2022-25236 it caused a regression and an additional patch was required. This update address this regression and several other vulnerabilities. It was discovered that Expat incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. It was discovered that Expat incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 21.10.
f73ffaf6eb03b92ee8fa616e8b96fe44c883861c77e20c470a4a5a8c89b228daDebian Linux Security Advisory 5085-1 - Several vulnerabilities have been discovered in Expat, an XML parsing C library, which could result in denial of service or potentially the execution of arbitrary code, if a malformed XML file is processed.
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