ALPINE-CVE-2020-14311

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Source
https://security.alpinelinux.org/vuln/CVE-2020-14311
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14311.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2020-14311
Upstream
Published
2020-07-31T22:15:11Z
Modified
2026-08-27T12:17:45Z
Severity
  • 6.0 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
Summary
[none]
Details

There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.

References

Affected packages

Alpine:v3.17
grub

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.06-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14311.json"
Alpine:v3.18
grub

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.06-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14311.json"
Alpine:v3.19
grub

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.06-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14311.json"
Alpine:v3.20
grub

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.06-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14311.json"
Alpine:v3.21
grub

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.06-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14311.json"
Alpine:v3.22
grub

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.06-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14311.json"
Alpine:v3.23
grub

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.06-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14311.json"
Alpine:v3.24
grub

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.06-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14311.json"