Integer Overflow or Wraparound Affecting expat package, versions <2.4.1-2ubuntu0.1
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.49% (76th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU2110-EXPAT-2337959
- published 12 Jan 2022
- disclosed 10 Jan 2022
Introduced: 10 Jan 2022
CVE-2022-22823 Open this link in a new tabHow to fix?
Upgrade Ubuntu:21.10
expat
to version 2.4.1-2ubuntu0.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat
package and not the expat
package as distributed by Ubuntu
.
See How to fix?
for Ubuntu:21.10
relevant fixed versions and status.
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2022-22823
- https://github.com/libexpat/libexpat/pull/539
- http://www.openwall.com/lists/oss-security/2022/01/17/3
- https://www.tenable.com/security/tns-2022-05
- https://www.debian.org/security/2022/dsa-5073
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- https://security.gentoo.org/glsa/202209-24