Out-of-bounds Read in Xmlsoft Libxml2

CVE-2017-8872

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.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (46.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-8872?
CVE-2017-8872 is a critical-severity vulnerability in Xmlsoft Libxml2, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2017-05-10.
How severe is CVE-2017-8872?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2017-8872 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.