CVE-2019-19450

Name: CVE-2019-19450
Creator: NVD / NIST
Published: 2023-09-20T14:15:12.31+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.45%

Last modified Jun 17, 2026

CVE-2019-19450 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. paraparser in ReportLab before 3.5.31 allows remote code execution because start_unichar in paraparser.py evaluates untrusted user input in a unichar element in a crafted XML document with '<unichar code="' followed by arbitrary Python code, a similar issue to CVE-2019-17626.. EPSS estimates a 4.45% chance of exploitation in the next 30 days.

Description

paraparser in ReportLab before 3.5.31 allows remote code execution because start_unichar in paraparser.py evaluates untrusted user input in a unichar element in a crafted XML document with '<unichar code="' followed by arbitrary Python code, a similar issue to CVE-2019-17626.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.45%

90.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-91

Affected Software

Vendor	Product	Versions
Reportlab	Reportlab	< 3.5.31
Debian	Debian Linux	10.0

References

Timeline

Published: Sep 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19450?

How severe is CVE-2019-19450?

CVE-2019-19450 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.45% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19450?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19450?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST