TI-2019-12702 Aliases CVE-2019-17019 GHSA-r75w-mj28-6x5x

When Python was installed on Windows, a python file being served with the MIME type of…

MEDIUM 40Published 2020-01-08 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

When Python was installed on Windows, a python file being served with the MIME type of text/plain could be executed by Python instead of being opened as a text file when the Open option was selected upon download. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 72.

Why it matters now

EPSS 0.01046 64th percentileScored 2026-11-07

Fix Fixed Firefox (Mozilla): 72

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Mozilla	Firefox	before 72	72	Patch available	CNA

Firefox VendorMozilla Affected before 72 Fixed in 72 Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox::::::::	before 72.0	Vulnerable	Mozilla
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 72.0 Vulnerable ·Mozilla
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Fix · CNA Firefox (Mozilla) Fixed in 72

Timeline

2026-10-02 Threatist record created from CVE-2019-17019
2026-10-03 Alias added: GHSA-r75w-mj28-6x5x

References

Advisory 1

https://www.mozilla.org/security/advisories/mfsa2020-01/

Other 1

https://bugzilla.mozilla.org/show_bug.cgi?id=1568003

TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8

See all 3444 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences