Amazon Linux 1 Security Advisory: ALAS-2020-1438
Advisory Release Date: 2020-10-26 18:09 Pacific
Advisory Updated Date: 2020-10-27 21:22 Pacific
FAQs regarding Amazon Linux ALAS/CVE Severity
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.
i686:
libxml2-debuginfo-2.9.1-6.4.41.amzn1.i686
libxml2-python26-2.9.1-6.4.41.amzn1.i686
libxml2-python27-2.9.1-6.4.41.amzn1.i686
libxml2-devel-2.9.1-6.4.41.amzn1.i686
libxml2-static-2.9.1-6.4.41.amzn1.i686
libxml2-2.9.1-6.4.41.amzn1.i686
src:
libxml2-2.9.1-6.4.41.amzn1.src
x86_64:
libxml2-python26-2.9.1-6.4.41.amzn1.x86_64
libxml2-devel-2.9.1-6.4.41.amzn1.x86_64
libxml2-debuginfo-2.9.1-6.4.41.amzn1.x86_64
libxml2-python27-2.9.1-6.4.41.amzn1.x86_64
libxml2-static-2.9.1-6.4.41.amzn1.x86_64
libxml2-2.9.1-6.4.41.amzn1.x86_64