🛡️ CVE-2024-56201 on Debian — jinja2
Description
Jinja is an extensible templating engine. In versions on the 3.x branch prior to 3.1.5, a bug in the Jinja compiler allows an attacker that controls both the content and filename of a template to execute arbitrary Python code, regardless of if Jinja's sandbox is used. To exploit the vulnerability, an attacker needs to control both the filename and the contents of a template. Whether that is the case depends on the type of application using Jinja. This vulnerability impacts users of applications which execute untrusted templates where the template author can also choose the template filename. This vulnerability is fixed in 3.1.5.
Distribution advisory
This page covers CVE-2024-56201 as tracked by Debian, for the package jinja2. The fix is available in version 3.1.5-1; earlier versions remain affected.
How this vulnerability can be exploited
This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.
Weakness class
DEBIAN-CVE-2024-56201 is classified as CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as escape, meta, or control character sequences when they are sent to a downstream component.
Affected software
DEBIAN-CVE-2024-56201 is recorded against 1 package.
- jinja2 (fixed in 3.1.5-1)
Timeline and source
Published on 23 December 2024 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
CVE-2024-56201 on other distributions
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| jinja2 | — | 3.1.5-1 |
References
Similar Threats
- Unknown CLSA-2026-1772410253
- Unknown CLSA-2026-1772410255
- Unknown CLSA-2026-1772410257
- High CVE-2025-49142
- Unknown DLA-4126-1
Site Security Check
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