CVE-2019-5019: A heap-based overflow vulnerability exists in the PowerPoint document conversion function of Rainbow PDF Offic

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2019-5019 is a critical-severity flaw (CVSS 9.8) affecting office server document converter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A heap-based overflow vulnerability exists in the PowerPoint document conversion function of Rainbow PDF Office Server Document Converter V7.0 Pro R1 (7,0,2018,1113). While parsing Document Summary Property Set stream, the getSummaryInformation function is incorrectly checking the correlation between size and the number of properties in PropertySet packets, causing an out-of-bounds write that leads to heap corruption and consequent code execution

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-122, CWE-787
Published	2019-03-07
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: rainbowpdf

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

Am I affected?

Timeline

2019-03-07 20:29 UTCPublished CVE record published
2026-06-17 02:36 UTCUpdated Record last modified

rainbowpdf office server document converter DOWNGRADE

Affected: 7.0 r1

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0

1. Check installed version

apt-cache policy office-server-document-converter || rpm -q office-server-document-converter || office-server-document-converter --version

2. No fixed release: DOWNGRADE to a release before 7.0 (Debian / Ubuntu)

apt-cache madison office-server-document-converter sudo apt install office-server-document-converter=<VERSION_BEFORE_7.0> sudo apt-mark hold office-server-document-converter

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list office-server-document-converter sudo dnf downgrade office-server-document-converter-<VERSION_BEFORE_7.0> sudo dnf versionlock add office-server-document-converter

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2019-5019?

office server document converter: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-5019 being exploited?

CVE-2019-5019 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-2019-5019 affect?

CVE-2019-5019 affects office server document converter. Severity is critical (CVSS 9.8). A heap-based overflow vulnerability exists in the PowerPoint document conversion function of Rainbow PDF Office Server Document Converter V7.0 Pro R1 (7,0,2018,1113). While parsing Document Summary Property Set stream, the getSummaryInforma

How urgent is CVE-2019-5019?

Priority 65/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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