Amazon Linux 2 Security Advisory: ALAS-2019-1373
Advisory Release Date: 2019-12-13 19:34 Pacific
Advisory Updated Date: 2019-12-18 01:19 Pacific
Severity:
Medium
Issue Overview:
heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.(CVE-2019-18224)
Affected Packages:
libidn2
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update libidn2 to update your system.
New Packages:
aarch64:
libidn2-2.3.0-1.amzn2.aarch64
libidn2-devel-2.3.0-1.amzn2.aarch64
idn2-2.3.0-1.amzn2.aarch64
libidn2-debuginfo-2.3.0-1.amzn2.aarch64
i686:
libidn2-2.3.0-1.amzn2.i686
libidn2-devel-2.3.0-1.amzn2.i686
idn2-2.3.0-1.amzn2.i686
libidn2-debuginfo-2.3.0-1.amzn2.i686
src:
libidn2-2.3.0-1.amzn2.src
x86_64:
libidn2-2.3.0-1.amzn2.x86_64
libidn2-devel-2.3.0-1.amzn2.x86_64
idn2-2.3.0-1.amzn2.x86_64
libidn2-debuginfo-2.3.0-1.amzn2.x86_64