Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2020-28928

Published: 24 November 2020

In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source character limit, as demonstrated by an invalid write access (buffer overflow).

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
musl
Launchpad, Ubuntu, Debian
bionic
Released (1.1.19-1ubuntu0.1~esm1)
Available with Ubuntu Pro
focal
Released (1.1.24-1ubuntu0.1~esm1)
Available with Ubuntu Pro
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Not vulnerable
(1.2.2-4)
kinetic Not vulnerable
(1.2.3-1)
lunar Not vulnerable
(1.2.3-1)
mantic Not vulnerable
(1.2.3-1)
trusty
Released (0.9.15-1ubuntu0.1~esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial
Released (1.1.9-1ubuntu0.1~esm3)
Available with Ubuntu Pro

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H