CVE-2021-45261
Published: 22 December 2021
An Invalid Pointer vulnerability exists in GNU patch 2.7 via the another_hunk function, which causes a Denial of Service.
Notes
Author | Note |
---|---|
rodrigo-zaiden | negligible security impact since it affects the CLI tool with a specific malformed patch file. As of 2022-03-04, upstream has not released any updates nor comments on this issue, marking as deferred. |
Priority
Status
Package | Release | Status |
---|---|---|
patch Launchpad, Ubuntu, Debian |
bionic |
Deferred
(2022-03-04)
|
focal |
Deferred
(2022-03-04)
|
|
trusty |
Deferred
(2022-03-04)
|
|
upstream |
Needs triage
|
|
xenial |
Deferred
(2022-03-04)
|
|
hirsute |
Ignored
(end of life)
|
|
jammy |
Deferred
(2022-03-04)
|
|
impish |
Ignored
(end of life)
|
|
kinetic |
Ignored
(end of life, was deferred [2022-03-04])
|
|
lunar |
Deferred
(2022-03-04)
|
|
mantic |
Deferred
(2022-03-04)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |