Is CVE-2015-8242 in the CISA KEV catalog?

No. CVE-2015-8242 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-8242?

CVE-2015-8242 has a CVSS v2 base score of 5.8 (MEDIUM).

What is the EPSS score for CVE-2015-8242?

CVE-2015-8242 has an EPSS score of 4.27% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-8242?

Upgrade libxml2 on debian 11 to 2.9.3+dfsg1-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2015-8242

MEDIUMEPSS 90th pctl

5.8

CVSS v2

NVD

Description

The xmlSAX2TextNode function in SAX2.c in the push interface in the HTML parser in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service (stack-based buffer over-read and application crash) or obtain sensitive information via crafted XML data.

CWE-119Buffer Overflow

How to fix

Remediation Available

libxml2Debian

Fixed in:2.9.3+dfsg1-1CVE-2015-8242

libxml2Ubuntu

Fixed in:2.9.1+dfsg1-3ubuntu4.6USN-2834-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

4.27%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.