CVE-2019-17019 json
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 be…
published 2020-01-08 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7493
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
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.
Patch / fix
- mozilla firefox 72.0
Exploit prediction
1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Mozilla Firefox
References
-
mozilla.org
/security/advisories/mfsa2020-01/
vendor-advisory
-
bugzilla.mozilla.org
/show_bug.cgi?id=1568003
permissions-required
Sources
- CVE List CVE-2019-17019
- NVD CVE-2019-17019
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.