Vulmon
Amazon Linux 2 Security Advisory: ALAS-2020-1534
Advisory Release Date: 2020-10-22 18:25 Pacific
Advisory Updated Date: 2020-10-22 22:35 Pacific
Severity:
Medium
Issue Overview:
xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs. (CVE-2019-19956)
A memory leak was found in the xmlSchemaValidateStream function of libxml2. Applications that use this library may be vulnerable to memory not being freed leading to a denial of service. System availability is the highest threat from this vulnerability. (CVE-2019-20388)
xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation. (CVE-2020-7595)
Affected Packages:
libxml2
Issue Correction:
Run yum update libxml2 to update your system.
New Packages:
aarch64:
libxml2-2.9.1-6.amzn2.5.1.aarch64
libxml2-devel-2.9.1-6.amzn2.5.1.aarch64
libxml2-static-2.9.1-6.amzn2.5.1.aarch64
libxml2-python-2.9.1-6.amzn2.5.1.aarch64
libxml2-debuginfo-2.9.1-6.amzn2.5.1.aarch64
i686:
libxml2-2.9.1-6.amzn2.5.1.i686
libxml2-devel-2.9.1-6.amzn2.5.1.i686
libxml2-static-2.9.1-6.amzn2.5.1.i686
libxml2-python-2.9.1-6.amzn2.5.1.i686
libxml2-debuginfo-2.9.1-6.amzn2.5.1.i686
src:
libxml2-2.9.1-6.amzn2.5.1.src
x86_64:
libxml2-2.9.1-6.amzn2.5.1.x86_64
libxml2-devel-2.9.1-6.amzn2.5.1.x86_64
libxml2-static-2.9.1-6.amzn2.5.1.x86_64
libxml2-python-2.9.1-6.amzn2.5.1.x86_64
libxml2-debuginfo-2.9.1-6.amzn2.5.1.x86_64