CVE-2018-6952

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Source
https://nvd.nist.gov/vuln/detail/CVE-2018-6952
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-6952.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-6952
Downstream
Related
Published
2018-02-13T19:29:00Z
Modified
2025-09-19T10:07:34.214349Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.

References

Affected packages

Alpine:v3.10

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-r4

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

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-r4

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

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-r4

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

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-r4

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

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-r4

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

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-r4

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

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-r4

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

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-r4

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

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-r4

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

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-r4

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

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-r4

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

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-r4

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

Alpine:v3.22

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-r4

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

Alpine:v3.7

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-r0

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
2.7.5-r2
2.7.5-r3

Alpine:v3.8

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-r4

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

Alpine:v3.9

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-r4

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

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