CVE-2019-12153: Lack of validation in the HTML parser in RealObjects PDFreactor before 10.1.10722 leads to SSRF, allowing atta

Q: How do I fix CVE-2019-12153?

pdfreactor: upgrade to 10.1.10722. Exact commands for each OS are on this page.

Q: Is CVE-2019-12153 being exploited?

CVE-2019-12153 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-2019-12153 affect?

CVE-2019-12153 affects pdfreactor. Severity is critical (CVSS 10.0). Lack of validation in the HTML parser in RealObjects PDFreactor before 10.1.10722 leads to SSRF, allowing attackers to access network or file resources on behalf of the server by supplying malicious HTML content.

Q: How urgent is CVE-2019-12153?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 10.0REMOTEUPGRADE

CVE-2019-12153 is a critical-severity flaw (CVSS 10.0) affecting pdfreactor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Lack of validation in the HTML parser in RealObjects PDFreactor before 10.1.10722 leads to SSRF, allowing attackers to access network or file resources on behalf of the server by supplying malicious HTML content.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-918
Published	2019-06-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: realobjects

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

Am I affected?

Timeline

2019-06-11 21:29 UTCPublished CVE record published
2026-06-17 02:14 UTCUpdated Record last modified

realobjects pdfreactor UPGRADE

Affected: < 10.1.10722

Fixed in: 10.1.10722

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 10.1.10722 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pdfreactor

Note

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

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-2019-12153?

pdfreactor: upgrade to 10.1.10722. Exact commands for each OS are on this page.

Is CVE-2019-12153 being exploited?

CVE-2019-12153 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-2019-12153 affect?

CVE-2019-12153 affects pdfreactor. Severity is critical (CVSS 10.0). Lack of validation in the HTML parser in RealObjects PDFreactor before 10.1.10722 leads to SSRF, allowing attackers to access network or file resources on behalf of the server by supplying malicious HTML content.

How urgent is CVE-2019-12153?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2019-12154 CRITICAL 9.1 UPGRADE XXE in the XML parser library in RealObjects PDFreactor before 10.1.10722 allows attackers to supply malicious

References

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