CVE-2016-9597

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.

Published: 2018-07-30 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-9597 is rated Moderate Risk (64.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.36%). EPSS rose +3.14% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-9597

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.22% 4.36% +3.14%
2 2026-05-30 1.15% 1.22% +0.07%
3 2026-04-21 — 1.15% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-9597

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2016-9597

OS Trackers for CVE-2016-9597

vendor priority summary link
debian unimportant CVE-2016-9597 unimportant priority: Debian including 1 source packages (libxml2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-9597
redhat medium — https://access.redhat.com/security/cve/CVE-2016-9597
suse medium CVE-2016-9597 severity moderate: SUSE including 39 source package names (0.9.1:libxml2-2-2.9.4-33.1, 1.0.0:libxml2-2-2.9.4-33.1, …), 113 product×package rows across 58 product lines (Container caasp/v4/default-http-backend, Container caasp/v4/dnsmasq-nanny, … (58 product lines)): Fixed 113. https://www.suse.com/security/cve/CVE-2016-9597/
ubuntu medium CVE-2016-9597 medium priority: Ubuntu including 1 source packages (libxml2), 5 status rows across 5 suites (precise, trusty, upstream, xenial, yakkety): not-affected 4, needs-triage 1. https://ubuntu.com/security/CVE-2016-9597

Affected software / configurations for CVE-2016-9597

Vendor Product Version Raw CPE
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 15.10 cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
xmlsoft libxml2 2.9.3 cpe:2.3:a:xmlsoft:libxml2:2.9.3:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
hp icewall_federation_agent 3.0 cpe:2.3:a:hp:icewall_federation_agent:3.0:*:*:*:*:*:*:*
hp icewall_file_manager 3.0 cpe:2.3:a:hp:icewall_file_manager:3.0:*:*:*:*:*:*:*
opensuse leap 42.1 cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*

References for CVE-2016-9597

cvelogic Threat Intelligence