CVE-2019-19450
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.98% probability · 93th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-91
- Affected
- reportlab/reportlab · debian/debian linux
- Source
- cve@mitre.org
EPSS moved from 6.0% on 21 September 2026 to 6.0% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://github.com/MrBitBucket/reportlab-mirror/blob/master/CHANGES.mdRelease Notes
- https://lists.debian.org/debian-lts-announce/2023/09/msg00037.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHMCB2GJQKFMGVO5RWHN222NQL5XYPHZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HADPTB3SBU7IVRMDK7OL6WSQRU5AFWDZ/
- https://pastebin.com/5MicRrr4Third Party Advisory
- https://github.com/MrBitBucket/reportlab-mirror/blob/master/CHANGES.mdRelease Notes
- https://lists.debian.org/debian-lts-announce/2023/09/msg00037.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHMCB2GJQKFMGVO5RWHN222NQL5XYPHZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HADPTB3SBU7IVRMDK7OL6WSQRU5AFWDZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CHMCB2GJQKFMGVO5RWHN222NQL5XYPHZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HADPTB3SBU7IVRMDK7OL6WSQRU5AFWDZ/
- https://pastebin.com/5MicRrr4Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.