CVE-2021-26120

Publication date 22 February 2021

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

Smarty before 3.1.39 allows code injection via an unexpected function name after a {function name= substring.

Status

Package Ubuntu Release Status
smarty3 25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute Ignored end of life
20.10 groovy Ignored end of life
20.04 LTS focal
Fixed 3.1.34+20190228.1.c9f0de05+selfpack1-1ubuntu0.1~esm1
18.04 LTS bionic
Fixed 3.1.31+20161214.1.c7d42e4+selfpack1-3ubuntu0.1
16.04 LTS xenial
Fixed 3.1.21-1ubuntu1+esm1
14.04 LTS trusty Not in release

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
smarty3

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references