CVE Vulnerabilities

CVE-2021-35331

Use of Externally-Controlled Format String

Published: Jul 05, 2021 | Modified: Nov 21, 2024
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.x
6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
NEGLIGIBLE

In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crafted file. NOTE: multiple third parties dispute the significance of this finding

Weakness

The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

Affected Software

Name Vendor Start Version End Version
Tcl Tcl 8.6.11 (including) 8.6.11 (including)
Tcl8.6 Ubuntu bionic *
Tcl8.6 Ubuntu groovy *
Tcl8.6 Ubuntu hirsute *
Tcl8.6 Ubuntu impish *
Tcl8.6 Ubuntu kinetic *
Tcl8.6 Ubuntu trusty *
Tcl8.6 Ubuntu xenial *

Potential Mitigations

References