VulnerabilityModified
CVE-2022-23990
Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.
HIGH 7.5EPSS 3.99%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.99% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- libexpat project/libexpat · tenable/nessus · oracle/communications metasolv solution · debian/debian linux · fedoraproject/fedora · siemens/sinema remote connect server
- Source
- cve@mitre.org
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfPatch, Third Party Advisory
- https://github.com/libexpat/libexpat/pull/551Issue Tracking, Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/34NXVL2RZC2YZRV74ZQ3RNFB7WCEUP7D/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7FF2UH7MPXKTADYSJUAHI2Y5UHBSHUH/
- https://security.gentoo.org/glsa/202209-24Third Party Advisory
- https://www.debian.org/security/2022/dsa-5073Mailing List, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory
- https://www.tenable.com/security/tns-2022-05Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfPatch, Third Party Advisory
- https://github.com/libexpat/libexpat/pull/551Issue Tracking, Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/34NXVL2RZC2YZRV74ZQ3RNFB7WCEUP7D/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7FF2UH7MPXKTADYSJUAHI2Y5UHBSHUH/
- https://security.gentoo.org/glsa/202209-24Third Party Advisory
- https://www.debian.org/security/2022/dsa-5073Mailing List, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory
- https://www.tenable.com/security/tns-2022-05Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.