FileSystemBytecodeCache in Jinja2 2.7.2 does not properly create temporary directories, which allows local users to gain privileges by pre-creating a temporary directory with a user's uid. NOTE: this
FileSystemBytecodeCache in Jinja2 2.7.2 does not properly create temporary directories, which allows local users to gain privileges by pre-creating a temporary directory with a user's uid. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-1402.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | jinja2 | < 2.7.3 | 2.7.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2014-0012
- https://github.com/mitsuhiko/jinja2/pull/292
- https://github.com/mitsuhiko/jinja2/pull/296
- https://github.com/pallets/jinja2/pull/292
- https://github.com/pallets/jinja2/pull/296
- https://github.com/mitsuhiko/jinja2/commit/acb672b6a179567632e032f547582f30fa2f4aa7
- https://github.com/pallets/jinja/commit/acb672b6a179567632e032f547582f30fa2f4aa7
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=734747
- https://bugzilla.redhat.com/show_bug.cgi?id=1051421
- https://github.com/pallets/jinja2
- https://github.com/pypa/advisory-database/tree/main/vulns/jinja2/PYSEC-2014-82.yaml
- http://seclists.org/oss-sec/2014/q1/73
- http://www.gentoo.org/security/en/glsa/glsa-201408-13.xml
- http://secunia.com/advisories/60738
- http://secunia.com/advisories/56328
- https://github.com/advisories/GHSA-fqh9-2qgg-h84h
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N- Weakness (CWE)
CWE-377- Platform
- Python (PyPI)
- Package
jinja2- Disclosed
- 19.05.2014
- Updated
- 11.10.2026 12:20
Sources and licenses
OSV / GitHub Advisory Database - GHSA-fqh9-2qgg-h84h - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2014-82 - PyPA Advisory Database; CC BY 4.0
Vulnerability history: jinja2
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 11
- First → latest
- 05.2014 06.2025
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- High 4
- Medium 7
Disclosures per year
- 2017: 0
- 2018: 0
- 2019: 2
- 2020: 0
- 2021: 1
- 2022: 0
- 2023: 0
- 2024: 4
- 2025: 2
- 2026: 0
earlier: 2
-
FileSystemBytecodeCache in Jinja2 2.7.2 does not properly create temporary directories, which allows local users to gain privileges by pre-creating a temporary directory with a user's uid. NOTE: this this entry
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