CVE-2019-20633

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Source
https://nvd.nist.gov/vuln/detail/CVE-2019-20633
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20633.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-20633
Related
Published
2020-03-25T17:15:14Z
Modified
2025-05-23T03:10:23.780310Z
Downstream
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

GNU patch through 2.7.6 contains a free(pline[pend]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.

References

Affected packages

Alpine:v3.11 / patch

Package

Name
patch
Purl
pkg:apk/alpine/patch?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.6-r7

Affected versions

2.*

2.5.9-r0
2.6-r0
2.6.1-r0
2.6.1-r1
2.6.1-r2
2.6.1-r3
2.7-r0
2.7.1-r0
2.7.1-r1
2.7.3-r0
2.7.4-r0
2.7.5-r0
2.7.5-r1
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6

Alpine:v3.12 / patch

Package

Name
patch
Purl
pkg:apk/alpine/patch?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.6-r7

Affected versions

2.*

2.5.9-r0
2.6-r0
2.6.1-r0
2.6.1-r1
2.6.1-r2
2.6.1-r3
2.7-r0
2.7.1-r0
2.7.1-r1
2.7.3-r0
2.7.4-r0
2.7.5-r0
2.7.5-r1
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6

Alpine:v3.13 / patch

Package

Name
patch
Purl
pkg:apk/alpine/patch?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.6-r7

Affected versions

2.*

2.5.9-r0
2.6-r0
2.6.1-r0
2.6.1-r1
2.6.1-r2
2.6.1-r3
2.7-r0
2.7.1-r0
2.7.1-r1
2.7.3-r0
2.7.4-r0
2.7.5-r0
2.7.5-r1
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6

Alpine:v3.14 / patch

Package

Name
patch
Purl
pkg:apk/alpine/patch?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.6-r7

Affected versions

2.*

2.5.9-r0
2.6-r0
2.6.1-r0
2.6.1-r1
2.6.1-r2
2.6.1-r3
2.7-r0
2.7.1-r0
2.7.1-r1
2.7.3-r0
2.7.4-r0
2.7.5-r0
2.7.5-r1
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6

Alpine:v3.15 / patch

Package

Name
patch
Purl
pkg:apk/alpine/patch?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.6-r7

Affected versions

2.*

2.5.9-r0
2.6-r0
2.6.1-r0
2.6.1-r1
2.6.1-r2
2.6.1-r3
2.7-r0
2.7.1-r0
2.7.1-r1
2.7.3-r0
2.7.4-r0
2.7.5-r0
2.7.5-r1
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6

Alpine:v3.16 / patch

Package

Name
patch
Purl
pkg:apk/alpine/patch?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.6-r7

Affected versions

2.*

2.5.9-r0
2.6-r0
2.6.1-r0
2.6.1-r1
2.6.1-r2
2.6.1-r3
2.7-r0
2.7.1-r0
2.7.1-r1
2.7.3-r0
2.7.4-r0
2.7.5-r0
2.7.5-r1
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6

Alpine:v3.17 / patch

Package

Name
patch
Purl
pkg:apk/alpine/patch?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.6-r7

Affected versions

2.*

2.5.9-r0
2.6-r0
2.6.1-r0
2.6.1-r1
2.6.1-r2
2.6.1-r3
2.7-r0
2.7.1-r0
2.7.1-r1
2.7.3-r0
2.7.4-r0
2.7.5-r0
2.7.5-r1
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6

Alpine:v3.18 / patch

Package

Name
patch
Purl
pkg:apk/alpine/patch?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.6-r7

Affected versions

2.*

2.5.9-r0
2.6-r0
2.6.1-r0
2.6.1-r1
2.6.1-r2
2.6.1-r3
2.7-r0
2.7.1-r0
2.7.1-r1
2.7.3-r0
2.7.4-r0
2.7.5-r0
2.7.5-r1
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6

Alpine:v3.19 / patch

Package

Name
patch
Purl
pkg:apk/alpine/patch?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.6-r7

Affected versions

2.*

2.5.9-r0
2.6-r0
2.6.1-r0
2.6.1-r1
2.6.1-r2
2.6.1-r3
2.7-r0
2.7.1-r0
2.7.1-r1
2.7.3-r0
2.7.4-r0
2.7.5-r0
2.7.5-r1
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6

Alpine:v3.20 / patch

Package

Name
patch
Purl
pkg:apk/alpine/patch?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.6-r7

Affected versions

2.*

2.5.9-r0
2.6-r0
2.6.1-r0
2.6.1-r1
2.6.1-r2
2.6.1-r3
2.7-r0
2.7.1-r0
2.7.1-r1
2.7.3-r0
2.7.4-r0
2.7.5-r0
2.7.5-r1
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6

Alpine:v3.21 / patch

Package

Name
patch
Purl
pkg:apk/alpine/patch?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.6-r7

Affected versions

2.*

2.5.9-r0
2.6-r0
2.6.1-r0
2.6.1-r1
2.6.1-r2
2.6.1-r3
2.7-r0
2.7.1-r0
2.7.1-r1
2.7.3-r0
2.7.4-r0
2.7.5-r0
2.7.5-r1
2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6

Git / git.savannah.gnu.org/git/patch.git

Affected ranges

Type
GIT
Repo
https://git.savannah.gnu.org/git/patch.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
40b387de08653a1e46872b8ac1a6a14b9b94feb3

Affected versions

v2.*

v2.1
v2.2
v2.3
v2.4
v2.5
v2.5.3
v2.5.4
v2.5.7
v2.5.8
v2.5.9
v2.6
v2.6.1
v2.7
v2.7.1
v2.7.2
v2.7.3
v2.7.4
v2.7.5
v2.7.6