ALPINE-CVE-2026-18024

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Source
https://security.alpinelinux.org/vuln/CVE-2026-18024
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-18024.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-18024
Upstream
  • CVE-2026-18024
Published
2026-08-13T13:17:47.880Z
Modified
2026-08-15T13:30:05.615352405Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

Buffer over-read in PostgreSQL ascii() SQL function allows a user to disclose up to 3 bytes after the end of a specific allocation, via a crafted text value. This is the same class of defect that CVE-2026-2006 fixed, though this instance has less impact. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.

References

Affected packages

Alpine:v3.21
postgresql16

Package

Name
postgresql16
Purl
pkg:apk/alpine/postgresql16?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-18024.json"
postgresql17

Package

Name
postgresql17
Purl
pkg:apk/alpine/postgresql17?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-18024.json"
Alpine:v3.22
postgresql16

Package

Name
postgresql16
Purl
pkg:apk/alpine/postgresql16?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-18024.json"
postgresql17

Package

Name
postgresql17
Purl
pkg:apk/alpine/postgresql17?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-18024.json"
Alpine:v3.23
postgresql17

Package

Name
postgresql17
Purl
pkg:apk/alpine/postgresql17?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-18024.json"
postgresql18

Package

Name
postgresql18
Purl
pkg:apk/alpine/postgresql18?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-18024.json"
Alpine:v3.24
postgresql17

Package

Name
postgresql17
Purl
pkg:apk/alpine/postgresql17?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-18024.json"
postgresql18

Package

Name
postgresql18
Purl
pkg:apk/alpine/postgresql18?arch=source

Affected ranges

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-18024.json"