Vulmon
Amazon Linux 2022 Security Advisory: ALAS-2022-017
Advisory Release Date: 2022-01-29 00:34 Pacific
Advisory Updated Date: 2022-02-03 18:41 Pacific
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory). (CVE-2021-45960)
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize. (CVE-2021-46143)
addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22822)
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22823)
defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22824)
lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22825)
nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22826)
storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. (CVE-2022-22827)
Affected Packages:
expat
Issue Correction:
Run dnf update --releasever=2022.0.20220202 expat to update your system.
aarch64:
expat-debuginfo-2.4.3-1.amzn2022.aarch64
expat-debugsource-2.4.3-1.amzn2022.aarch64
expat-static-2.4.3-1.amzn2022.aarch64
expat-2.4.3-1.amzn2022.aarch64
expat-devel-2.4.3-1.amzn2022.aarch64
i686:
expat-debugsource-2.4.3-1.amzn2022.i686
expat-static-2.4.3-1.amzn2022.i686
expat-debuginfo-2.4.3-1.amzn2022.i686
expat-2.4.3-1.amzn2022.i686
expat-devel-2.4.3-1.amzn2022.i686
src:
expat-2.4.3-1.amzn2022.src
x86_64:
expat-static-2.4.3-1.amzn2022.x86_64
expat-debugsource-2.4.3-1.amzn2022.x86_64
expat-devel-2.4.3-1.amzn2022.x86_64
expat-2.4.3-1.amzn2022.x86_64
expat-debuginfo-2.4.3-1.amzn2022.x86_64