CVE-2016-9597 — libxml2: stack overflow before detecting invalid XML file (unfixed CVE-2016-3705 in JBCS)

Back Back to CVE browser

HIGH

libxml2: stack overflow before detecting invalid XML file (unfixed CVE-2016-3705 in JBCS)

Published Jul 30, 2018

7.5

HIGH

CVSS 3.0

EPSS 4.48%

Description

It was found that Red Hat JBoss Core Services erratum RHSA-2016:2957 for CVE-2016-3705 did not actually include the fix for the issue found in libxml2, making it vulnerable to a Denial of Service attack due to a Stack Overflow. This is a regression CVE for the same issue as CVE-2016-3705.

Affected products

Vendor Red Hat Product Libxml2 Default
n/a
- Version
  all
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Red Hat

Libxml2

n/a

Version	Status	Constraints
all	affected	-

Red Hat JBoss Core Services

n/a

Fixed · RHSA-2018:2486
Red Hat Enterprise Linux 5

libxml2

Not affected
Red Hat Enterprise Linux 6

libxml2

Not affected
Red Hat Enterprise Linux 7

libxml2

Not affected
Red Hat JBoss Core Services

httpd

Affected

Product	Package	State	Advisory
Red Hat JBoss Core Services	n/a	Fixed	RHSA-2018:2486
Red Hat Enterprise Linux 5	libxml2	Not affected	n/a
Red Hat Enterprise Linux 6	libxml2	Not affected	n/a
Red Hat Enterprise Linux 7	libxml2	Not affected	n/a
Red Hat JBoss Core Services	httpd	Affected	n/a

Remediation

No remediation recorded yet.

Metrics

4.48% 0.04484

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.04484

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (19 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	4.48% (0.04484)	91.17th	v5 (v2026.06.15)
Sep 22, 2026	4.48% (0.04484)	91.04th	v5 (v2026.06.15)
Sep 21, 2026	2.98% (0.02980)	86.63th	v5 (v2026.06.15)
Sep 6, 2026	4.48% (0.04484)	90.83th	v5 (v2026.06.15)
Sep 5, 2026	2.98% (0.02980)	86.34th	v5 (v2026.06.15)
Aug 30, 2026	4.48% (0.04484)	90.78th	v5 (v2026.06.15)
Aug 28, 2026	2.98% (0.02980)	86.26th	v5 (v2026.06.15)
Aug 24, 2026	4.48% (0.04484)	90.73th	v5 (v2026.06.15)
Aug 23, 2026	2.98% (0.02980)	86.20th	v5 (v2026.06.15)
Jun 15, 2026	4.36% (0.04357)	89.95th	v5 (v2026.06.15)
Mar 17, 2025	1.33% (0.01327)	78.58th	v4 (v2025.03.14)
Dec 12, 2024	0.08% (0.00080)	36.36th	v3 (v2023.03.01)
Jun 8, 2024	0.08% (0.00080)	34.50th	v3 (v2023.03.01)
Dec 21, 2023	0.06% (0.00061)	24.37th	v3 (v2023.03.01)
Mar 7, 2023	0.07% (0.00073)	29.49th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Sep 10, 2022	0.89% (0.00885)	26.24th	v2 (v2022.01.01)
Apr 1, 2022	0.89% (0.00885)	24.24th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)

Weaknesses (2)

CWE-119

Buffer Overflow

CWE-674

References (6)

http://www.securityfocus.com/bid/98567
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://access.redhat.com/security/cve/CVE-2016-9597
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1408305
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9597
x_refsource_CONFIRMIssue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2016-9597
https://www.cve.org/CVERecord?id=CVE-2016-9597

Link	Providers	Tags
http://www.securityfocus.com/bid/98567		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://access.redhat.com/security/cve/CVE-2016-9597		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1408305		Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9597		x_refsource_CONFIRMIssue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2016-9597
https://www.cve.org/CVERecord?id=CVE-2016-9597