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CVE-2021-3530

Published: 2 June 2021

A flaw was discovered in GNU libiberty within demangle_path() in rust-demangle.c, as distributed in GNU Binutils version 2.36. A crafted symbol can cause stack memory to be exhausted leading to a crash.

Notes

AuthorNote
mdeslaur
introduced in 2.36
eslerm
issue tracked as CVE-2021-46195 in gcc

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
gdb
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Not vulnerable
(not in code)
bionic Not vulnerable
(not in code)
focal Not vulnerable
(not in code)
jammy Pending
(12.1-0ubuntu1~22.04)
lunar Not vulnerable
(13.1-2ubuntu2)
upstream Needs triage

mantic Not vulnerable
(13.2-1ubuntu1)
binutils
Launchpad, Ubuntu, Debian
hirsute Ignored
(end of life)
upstream Needs triage

bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
trusty Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)
jammy Not vulnerable
(2.38-4ubuntu2.2)
impish Ignored
(end of life)
kinetic Not vulnerable
(2.39-3ubuntu1.2)
lunar Not vulnerable
(2.40-2ubuntu4.1)
mantic Not vulnerable
(2.40-2ubuntu6)
libiberty
Launchpad, Ubuntu, Debian
hirsute Ignored
(end of life)
trusty Does not exist

upstream Needs triage

bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)
impish Ignored
(end of life)
jammy Needed

kinetic Not vulnerable
(20220713-1)
lunar Not vulnerable
(20230104-1)
mantic Not vulnerable
(20230104-1)
Patches:
upstream: https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=f10bec5ffa487ad3033ed5f38cfd0fc7d696deab

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H