CVE-2019-9628: The XMLTooling library all versions prior to V3.0.4, provided with the OpenSAML and Shibboleth Service Provide

Q: How do I fix CVE-2019-9628?

xmltooling: upgrade to 3.0.4; ubuntu linux: mitigate or apply the listed mitigation; leap: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2019-9628 being exploited?

CVE-2019-9628 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-9628 affect?

CVE-2019-9628 affects xmltooling, ubuntu linux, leap. Severity is high (CVSS 7.5). The XMLTooling library all versions prior to V3.0.4, provided with the OpenSAML and Shibboleth Service Provider software, contains an XML parsing class. Invalid data in the XML declaration causes an exception of a type that was not handled

Q: How urgent is CVE-2019-9628?

Priority 57/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

This month

HIGH 7.5REMOTEWATCHLISTUPGRADEMITIGATEMITIGATE

CVE-2019-9628 is a high-severity flaw (CVSS 7.5) affecting xmltooling, ubuntu linux, leap. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The XMLTooling library all versions prior to V3.0.4, provided with the OpenSAML and Shibboleth Service Provider software, contains an XML parsing class. Invalid data in the XML declaration causes an exception of a type that was not handled properly in the parser class and propagates an unexpected exception type.

Why this priority

High severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.1% (top 19%)
CISA exploited list	No
Weakness	CWE-755
Published	2019-04-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: canonical · opensuse · xmltooling project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-04-11 20:29 UTCPublished CVE record published
2026-06-17 02:44 UTCUpdated Record last modified

xmltooling project xmltooling UPGRADE

Affected: < 3.0.4

Fixed in: 3.0.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy xmltooling || rpm -q xmltooling || xmltooling --version

2. UPGRADE to 3.0.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade xmltooling

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xmltooling

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

canonical ubuntu linux MITIGATE

Affected: 14.04 · 16.04 · 18.04 · 18.10

Fixed in: no fixed release known

Safe to downgrade to: a release before 14.04

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

opensuse leap MITIGATE

Affected: 15.0 · 42.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 15.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-9628?

xmltooling: upgrade to 3.0.4; ubuntu linux: mitigate or apply the listed mitigation; leap: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-9628 being exploited?

CVE-2019-9628 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-9628 affect?

CVE-2019-9628 affects xmltooling, ubuntu linux, leap. Severity is high (CVSS 7.5). The XMLTooling library all versions prior to V3.0.4, provided with the OpenSAML and Shibboleth Service Provider software, contains an XML parsing class. Invalid data in the XML declaration causes an exception of a type that was not handled

How urgent is CVE-2019-9628?

Priority 57/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Ubuntu vulnerabilities

Related CVEs

CVE-2023-36661 HIGH 7.5 UPGRADE MITIGATE Shibboleth XMLTooling before 3.2.4, as used in OpenSAML and Shibboleth Service Provider, allows SSRF via a cra

References

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