ALPINE-CVE-2026-23918

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Source
https://security.alpinelinux.org/vuln/CVE-2026-23918
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2026-23918.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALPINE-CVE-2026-23918
Upstream
Published
2026-05-04T15:16:03.583Z
Modified
2026-05-09T08:31:12.434424Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol.

This issue affects Apache HTTP Server: 2.4.66.

Users are recommended to upgrade to version 2.4.67, which fixes the issue.

References

Affected packages

Alpine:v3.20 / apache2

Package

Name
apache2
Purl
pkg:apk/alpine/apache2?arch=source

Affected ranges

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

Affected versions

2.*
2.2.16-r0
2.2.16-r1
2.2.16-r2
2.2.16-r3
2.2.17-r0
2.2.17-r1
2.2.17-r2
2.2.17-r3
2.2.17-r4
2.2.17-r5
2.2.20-r0
2.2.21-r0
2.2.21-r1
2.2.21-r2
2.2.21-r3
2.2.22-r0
2.2.22-r1
2.4.3-r0
2.4.3-r1
2.4.3-r2
2.4.4-r0
2.4.4-r1
2.4.6-r0
2.4.6-r1
2.4.6-r2
2.4.6-r3
2.4.6-r4
2.4.7-r0
2.4.9-r0
2.4.9-r1
2.4.10-r0
2.4.12-r0
2.4.12-r1
2.4.12-r2
2.4.12-r3
2.4.12-r4
2.4.16-r0
2.4.17-r0
2.4.17-r1
2.4.17-r2
2.4.17-r3
2.4.17-r4
2.4.17-r5
2.4.17-r6
2.4.17-r7
2.4.18-r0
2.4.18-r1
2.4.18-r2
2.4.20-r0
2.4.20-r1
2.4.20-r2
2.4.23-r0
2.4.23-r1
2.4.23-r2
2.4.23-r3
2.4.23-r4
2.4.23-r5
2.4.23-r6
2.4.23-r7
2.4.23-r8
2.4.23-r9
2.4.23-r10
2.4.25-r0
2.4.25-r1
2.4.26-r0
2.4.27-r0
2.4.27-r1
2.4.27-r2
2.4.28-r0
2.4.29-r0
2.4.29-r1
2.4.33-r0
2.4.33-r1
2.4.34-r0
2.4.35-r0
2.4.37-r0
2.4.37-r1
2.4.38-r0
2.4.38-r1
2.4.38-r2
2.4.39-r0
2.4.41-r0
2.4.43-r0
2.4.46-r0
2.4.46-r1
2.4.46-r2
2.4.46-r3
2.4.48-r0
2.4.48-r1
2.4.48-r2
2.4.49-r1
2.4.50-r0
2.4.51-r0
2.4.51-r1
2.4.52-r0
2.4.53-r0
2.4.54-r0
2.4.54-r1
2.4.54-r2
2.4.55-r0
2.4.56-r0
2.4.57-r0
2.4.57-r1
2.4.57-r2
2.4.57-r3
2.4.58-r0
2.4.58-r1
2.4.58-r2
2.4.59-r0
2.4.60-r0
2.4.61-r0
2.4.62-r0
2.4.64-r0
2.4.65-r0
2.4.66-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2026-23918.json"

Alpine:v3.21 / apache2

Package

Name
apache2
Purl
pkg:apk/alpine/apache2?arch=source

Affected ranges

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

Affected versions

2.*
2.2.16-r0
2.2.16-r1
2.2.16-r2
2.2.16-r3
2.2.17-r0
2.2.17-r1
2.2.17-r2
2.2.17-r3
2.2.17-r4
2.2.17-r5
2.2.20-r0
2.2.21-r0
2.2.21-r1
2.2.21-r2
2.2.21-r3
2.2.22-r0
2.2.22-r1
2.4.3-r0
2.4.3-r1
2.4.3-r2
2.4.4-r0
2.4.4-r1
2.4.6-r0
2.4.6-r1
2.4.6-r2
2.4.6-r3
2.4.6-r4
2.4.7-r0
2.4.9-r0
2.4.9-r1
2.4.10-r0
2.4.12-r0
2.4.12-r1
2.4.12-r2
2.4.12-r3
2.4.12-r4
2.4.16-r0
2.4.17-r0
2.4.17-r1
2.4.17-r2
2.4.17-r3
2.4.17-r4
2.4.17-r5
2.4.17-r6
2.4.17-r7
2.4.18-r0
2.4.18-r1
2.4.18-r2
2.4.20-r0
2.4.20-r1
2.4.20-r2
2.4.23-r0
2.4.23-r1
2.4.23-r2
2.4.23-r3
2.4.23-r4
2.4.23-r5
2.4.23-r6
2.4.23-r7
2.4.23-r8
2.4.23-r9
2.4.23-r10
2.4.25-r0
2.4.25-r1
2.4.26-r0
2.4.27-r0
2.4.27-r1
2.4.27-r2
2.4.28-r0
2.4.29-r0
2.4.29-r1
2.4.33-r0
2.4.33-r1
2.4.34-r0
2.4.35-r0
2.4.37-r0
2.4.37-r1
2.4.38-r0
2.4.38-r1
2.4.38-r2
2.4.39-r0
2.4.41-r0
2.4.43-r0
2.4.46-r0
2.4.46-r1
2.4.46-r2
2.4.46-r3
2.4.48-r0
2.4.48-r1
2.4.48-r2
2.4.49-r1
2.4.50-r0
2.4.51-r0
2.4.51-r1
2.4.52-r0
2.4.53-r0
2.4.54-r0
2.4.54-r1
2.4.54-r2
2.4.55-r0
2.4.56-r0
2.4.57-r0
2.4.57-r1
2.4.57-r2
2.4.57-r3
2.4.58-r0
2.4.58-r1
2.4.58-r2
2.4.59-r0
2.4.60-r0
2.4.61-r0
2.4.62-r0
2.4.64-r0
2.4.65-r0
2.4.66-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2026-23918.json"

Alpine:v3.22 / apache2

Package

Name
apache2
Purl
pkg:apk/alpine/apache2?arch=source

Affected ranges

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

Affected versions

2.*
2.2.16-r0
2.2.16-r1
2.2.16-r2
2.2.16-r3
2.2.17-r0
2.2.17-r1
2.2.17-r2
2.2.17-r3
2.2.17-r4
2.2.17-r5
2.2.20-r0
2.2.21-r0
2.2.21-r1
2.2.21-r2
2.2.21-r3
2.2.22-r0
2.2.22-r1
2.4.3-r0
2.4.3-r1
2.4.3-r2
2.4.4-r0
2.4.4-r1
2.4.6-r0
2.4.6-r1
2.4.6-r2
2.4.6-r3
2.4.6-r4
2.4.7-r0
2.4.9-r0
2.4.9-r1
2.4.10-r0
2.4.12-r0
2.4.12-r1
2.4.12-r2
2.4.12-r3
2.4.12-r4
2.4.16-r0
2.4.17-r0
2.4.17-r1
2.4.17-r2
2.4.17-r3
2.4.17-r4
2.4.17-r5
2.4.17-r6
2.4.17-r7
2.4.18-r0
2.4.18-r1
2.4.18-r2
2.4.20-r0
2.4.20-r1
2.4.20-r2
2.4.23-r0
2.4.23-r1
2.4.23-r2
2.4.23-r3
2.4.23-r4
2.4.23-r5
2.4.23-r6
2.4.23-r7
2.4.23-r8
2.4.23-r9
2.4.23-r10
2.4.25-r0
2.4.25-r1
2.4.26-r0
2.4.27-r0
2.4.27-r1
2.4.27-r2
2.4.28-r0
2.4.29-r0
2.4.29-r1
2.4.33-r0
2.4.33-r1
2.4.34-r0
2.4.35-r0
2.4.37-r0
2.4.37-r1
2.4.38-r0
2.4.38-r1
2.4.38-r2
2.4.39-r0
2.4.41-r0
2.4.43-r0
2.4.46-r0
2.4.46-r1
2.4.46-r2
2.4.46-r3
2.4.48-r0
2.4.48-r1
2.4.48-r2
2.4.49-r1
2.4.50-r0
2.4.51-r0
2.4.51-r1
2.4.52-r0
2.4.53-r0
2.4.54-r0
2.4.54-r1
2.4.54-r2
2.4.55-r0
2.4.56-r0
2.4.57-r0
2.4.57-r1
2.4.57-r2
2.4.57-r3
2.4.58-r0
2.4.58-r1
2.4.58-r2
2.4.59-r0
2.4.60-r0
2.4.61-r0
2.4.62-r0
2.4.63-r0
2.4.63-r1
2.4.63-r2
2.4.63-r3
2.4.63-r4
2.4.64-r0
2.4.65-r0
2.4.66-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2026-23918.json"

Alpine:v3.23 / apache2

Package

Name
apache2
Purl
pkg:apk/alpine/apache2?arch=source

Affected ranges

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

Affected versions

2.*
2.2.16-r0
2.2.16-r1
2.2.16-r2
2.2.16-r3
2.2.17-r0
2.2.17-r1
2.2.17-r2
2.2.17-r3
2.2.17-r4
2.2.17-r5
2.2.20-r0
2.2.21-r0
2.2.21-r1
2.2.21-r2
2.2.21-r3
2.2.22-r0
2.2.22-r1
2.4.3-r0
2.4.3-r1
2.4.3-r2
2.4.4-r0
2.4.4-r1
2.4.6-r0
2.4.6-r1
2.4.6-r2
2.4.6-r3
2.4.6-r4
2.4.7-r0
2.4.9-r0
2.4.9-r1
2.4.10-r0
2.4.12-r0
2.4.12-r1
2.4.12-r2
2.4.12-r3
2.4.12-r4
2.4.16-r0
2.4.17-r0
2.4.17-r1
2.4.17-r2
2.4.17-r3
2.4.17-r4
2.4.17-r5
2.4.17-r6
2.4.17-r7
2.4.18-r0
2.4.18-r1
2.4.18-r2
2.4.20-r0
2.4.20-r1
2.4.20-r2
2.4.23-r0
2.4.23-r1
2.4.23-r2
2.4.23-r3
2.4.23-r4
2.4.23-r5
2.4.23-r6
2.4.23-r7
2.4.23-r8
2.4.23-r9
2.4.23-r10
2.4.25-r0
2.4.25-r1
2.4.26-r0
2.4.27-r0
2.4.27-r1
2.4.27-r2
2.4.28-r0
2.4.29-r0
2.4.29-r1
2.4.33-r0
2.4.33-r1
2.4.34-r0
2.4.35-r0
2.4.37-r0
2.4.37-r1
2.4.38-r0
2.4.38-r1
2.4.38-r2
2.4.39-r0
2.4.41-r0
2.4.43-r0
2.4.46-r0
2.4.46-r1
2.4.46-r2
2.4.46-r3
2.4.48-r0
2.4.48-r1
2.4.48-r2
2.4.49-r1
2.4.50-r0
2.4.51-r0
2.4.51-r1
2.4.52-r0
2.4.53-r0
2.4.54-r0
2.4.54-r1
2.4.54-r2
2.4.55-r0
2.4.56-r0
2.4.57-r0
2.4.57-r1
2.4.57-r2
2.4.57-r3
2.4.58-r0
2.4.58-r1
2.4.58-r2
2.4.59-r0
2.4.60-r0
2.4.61-r0
2.4.62-r0
2.4.63-r0
2.4.63-r1
2.4.63-r2
2.4.63-r3
2.4.63-r4
2.4.64-r0
2.4.65-r0
2.4.66-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2026-23918.json"