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Vulnerabilities / CVE-2017-8872

critical

CVE-2017-8872

libxml2: Out-of-bounds read in htmlParseTryOrFinish

Published Modified CWE 125
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Red Hat5.4CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (low), Ubuntu (low).

Description

The htmlParseTryOrFinish function in HTMLparser.c in libxml2 2.9.4 allows attackers to cause a denial of service (buffer over-read) or information disclosure.

Affected packages and fixed versions

SourcePackageFixed in
debian 11libxml22.9.4+dfsg1-6.1
debian 12libxml22.9.4+dfsg1-6.1
debian 13libxml22.9.4+dfsg1-6.1
debian 14libxml22.9.4+dfsg1-6.1
debian 7libxml2no fix listed
debian 8libxml2no fix listed
debian 9libxml22.9.4+dfsg1-2.2+deb9u3
echolibxml2, libxml2-2.9.12.9.4+dfsg1-6.1 and 1 more
Red Hatlibxml2, libxml2-devel, libxml2-python and 1 moreno fix listed
root.io debian 11rootio-libxml22.9.4+dfsg1-6.1
root.io debian 12rootio-libxml22.9.4+dfsg1-6.1
root.io debian 13rootio-libxml22.9.4+dfsg1-6.1
Show all 31 entries from 26 sources
SourcePackageFixed in
debian 11libxml22.9.4+dfsg1-6.1
debian 12libxml22.9.4+dfsg1-6.1
debian 13libxml22.9.4+dfsg1-6.1
debian 14libxml22.9.4+dfsg1-6.1
debian 7libxml2no fix listed
debian 8libxml2no fix listed
debian 9libxml22.9.4+dfsg1-2.2+deb9u3
echolibxml22.9.4+dfsg1-6.1
echolibxml2-2.9.12.9.1+e1
Red Hatlibxml2no fix listed
Red Hatlibxml2-develno fix listed
Red Hatlibxml2-pythonno fix listed
Red Hatlibxml2-staticno fix listed
root.io debian 11rootio-libxml22.9.4+dfsg1-6.1
root.io debian 12rootio-libxml22.9.4+dfsg1-6.1
root.io debian 13rootio-libxml22.9.4+dfsg1-6.1
seal Red Hat 7libxml22.9.1-6.el7_9.6+sp999
seal Red Hat 7seal-libxml22.9.1-6.el7_9.6+sp999
ubuntu 14.04-ESMlibxml22.9.1+dfsg1-3ubuntu4.13+esm2
ubuntu 16.04-ESMlibxml22.9.3+dfsg1-1ubuntu0.7+esm1
ubuntu 18.04libxml22.9.4+dfsg1-6.1ubuntu1
ubuntu 18.04-ESMlibxml22.9.4+dfsg1-6.1ubuntu1
ubuntu 18.10libxml22.9.4+dfsg1-6.1ubuntu1
ubuntu 19.04libxml22.9.4+dfsg1-6.1ubuntu1
ubuntu 19.10libxml22.9.4+dfsg1-6.1ubuntu1
ubuntu 20.04libxml22.9.4+dfsg1-6.1ubuntu1
ubuntu 20.04-ESMlibxml22.9.4+dfsg1-6.1ubuntu1
ubuntu 20.10libxml22.9.4+dfsg1-6.1ubuntu1
ubuntu 21.04libxml22.9.4+dfsg1-6.1ubuntu1
ubuntu 21.10libxml22.9.4+dfsg1-6.1ubuntu1
ubuntu 22.04libxml22.9.4+dfsg1-6.1ubuntu1

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.