VulnerabilityModified
CVE-2022-22827
storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
HIGH 8.8EPSS 2.80%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.80% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- libexpat project/libexpat · tenable/nessus · debian/debian linux · siemens/sinema remote connect server
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2022/01/17/3Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfThird Party Advisory
- https://github.com/libexpat/libexpat/pull/539Third Party Advisory
- https://security.gentoo.org/glsa/202209-24Third Party Advisory
- https://www.debian.org/security/2022/dsa-5073Third Party Advisory
- https://www.tenable.com/security/tns-2022-05Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/01/17/3Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfThird Party Advisory
- https://github.com/libexpat/libexpat/pull/539Third Party Advisory
- https://security.gentoo.org/glsa/202209-24Third Party Advisory
- https://www.debian.org/security/2022/dsa-5073Third Party Advisory
- https://www.tenable.com/security/tns-2022-05Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.