VulnerabilityModified

CVE-2016-4472

HIGH 8.1EPSS 11.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 11.9%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716.

CVSS 3.1: 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 11.95% probability · 96th percentile
CISA KEV: Not listed
Weakness: CWE-119
Affected: libexpat project/libexpat · canonical/ubuntu linux · mcafee/policy auditor · python/python
Source: secalert@redhat.com

References

http://www.securityfocus.com/bid/91528Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-3013-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1344251Issue Tracking, Patch, Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10365Third Party Advisory
https://security.gentoo.org/glsa/201701-21Third Party Advisory
https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bdePatch, Third Party Advisory
https://www.tenable.com/security/tns-2016-20Third Party Advisory
http://www.securityfocus.com/bid/91528Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-3013-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1344251Issue Tracking, Patch, Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10365Third Party Advisory
https://security.gentoo.org/glsa/201701-21Third Party Advisory
https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bdePatch, Third Party Advisory
https://www.tenable.com/security/tns-2016-20Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.