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CVE-2017-8872

29
FAUCET Score

CVE-2017-8872 is a critical buffer over-read vulnerability in the htmlParseTryOrFinish function of libxml2 version 2.9.4. This flaw allows unauthenticated attackers to remotely trigger a denial of service or information disclosure. Despite its high CVSS score of 9.1, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.9.4CPE matchmatch criteria
cpe:2.3:a:xmlsoft:libxml2:2.9.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.1CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.31%
Probability of exploitation in next 30 days
EPSS Percentile
81.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0231 is in the 71st percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (5)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libxml2
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libxml2
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libxml2
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Virtualization 3Fixed in: mingw-virt-viewer
redhatend of lifevia redhat_api
Product: Red Hat JBoss Web Server 3Fixed in: libxml2

Vendor Advisories (1)

redhatCVE-2017-8872Low

libxml2: Out-of-bounds read in htmlParseTryOrFinish

Nov 28, 2016

References

bugzilla.gnome.org / show_bug.cgi
Issue Tracking
lists.debian.org / debian-lts-announce/2020/09/msg00009.html