UBUNTU-CVE-2025-49630

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Source

https://ubuntu.com/security/CVE-2025-49630

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-49630.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2025-49630

Upstream

CVE-2025-49630

Published

2025-07-10T17:15:00Z

Modified

2025-07-16T17:19:25Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in modproxyhttp2. Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with ProxyPreserveHost set to "on".

References

Affected packages

Ubuntu:Pro:14.04:LTS / apache2

Package

Name: apache2
Purl: pkg:deb/ubuntu/apache2@2.4.7-1ubuntu4.22+esm9?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.4.6-2ubuntu2

2.4.6-2ubuntu3

2.4.6-2ubuntu4

2.4.7-1ubuntu1

2.4.7-1ubuntu2

2.4.7-1ubuntu3

2.4.7-1ubuntu4

2.4.7-1ubuntu4.1

2.4.7-1ubuntu4.4

2.4.7-1ubuntu4.5

2.4.7-1ubuntu4.6

2.4.7-1ubuntu4.7

2.4.7-1ubuntu4.8

2.4.7-1ubuntu4.9

2.4.7-1ubuntu4.10

2.4.7-1ubuntu4.11

2.4.7-1ubuntu4.13

2.4.7-1ubuntu4.15

2.4.7-1ubuntu4.16

2.4.7-1ubuntu4.17

2.4.7-1ubuntu4.18

2.4.7-1ubuntu4.19

2.4.7-1ubuntu4.20

2.4.7-1ubuntu4.21

2.4.7-1ubuntu4.22

2.4.7-1ubuntu4.22+esm1

2.4.7-1ubuntu4.22+esm2

2.4.7-1ubuntu4.22+esm3

2.4.7-1ubuntu4.22+esm4

2.4.7-1ubuntu4.22+esm5

2.4.7-1ubuntu4.22+esm6

2.4.7-1ubuntu4.22+esm8

2.4.7-1ubuntu4.22+esm9

Ubuntu:Pro:16.04:LTS / apache2

Package

Name: apache2
Purl: pkg:deb/ubuntu/apache2@2.4.18-2ubuntu3.17+esm14?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.4.12-2ubuntu2

2.4.17-1ubuntu1

2.4.17-2ubuntu1

2.4.17-3ubuntu1

2.4.18-1ubuntu1

2.4.18-2ubuntu1

2.4.18-2ubuntu2

2.4.18-2ubuntu3

2.4.18-2ubuntu3.1

2.4.18-2ubuntu3.2

2.4.18-2ubuntu3.3

2.4.18-2ubuntu3.4

2.4.18-2ubuntu3.5

2.4.18-2ubuntu3.7

2.4.18-2ubuntu3.8

2.4.18-2ubuntu3.9

2.4.18-2ubuntu3.10

2.4.18-2ubuntu3.12

2.4.18-2ubuntu3.13

2.4.18-2ubuntu3.14

2.4.18-2ubuntu3.15

2.4.18-2ubuntu3.17

2.4.18-2ubuntu3.17+esm1

2.4.18-2ubuntu3.17+esm2

2.4.18-2ubuntu3.17+esm3

2.4.18-2ubuntu3.17+esm4

2.4.18-2ubuntu3.17+esm5

2.4.18-2ubuntu3.17+esm6

2.4.18-2ubuntu3.17+esm7

2.4.18-2ubuntu3.17+esm8

2.4.18-2ubuntu3.17+esm9

2.4.18-2ubuntu3.17+esm10

2.4.18-2ubuntu3.17+esm11

2.4.18-2ubuntu3.17+esm12

2.4.18-2ubuntu3.17+esm13

2.4.18-2ubuntu3.17+esm14

Ubuntu:Pro:18.04:LTS / apache2

Package

Name: apache2
Purl: pkg:deb/ubuntu/apache2@2.4.29-1ubuntu4.27+esm4?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.4.27-2ubuntu3

2.4.29-1ubuntu1

2.4.29-1ubuntu2

2.4.29-1ubuntu3

2.4.29-1ubuntu4

2.4.29-1ubuntu4.1

2.4.29-1ubuntu4.2

2.4.29-1ubuntu4.3

2.4.29-1ubuntu4.4

2.4.29-1ubuntu4.5

2.4.29-1ubuntu4.6

2.4.29-1ubuntu4.7

2.4.29-1ubuntu4.8

2.4.29-1ubuntu4.10

2.4.29-1ubuntu4.11

2.4.29-1ubuntu4.12

2.4.29-1ubuntu4.13

2.4.29-1ubuntu4.14

2.4.29-1ubuntu4.16

2.4.29-1ubuntu4.17

2.4.29-1ubuntu4.18

2.4.29-1ubuntu4.19

2.4.29-1ubuntu4.20

2.4.29-1ubuntu4.21

2.4.29-1ubuntu4.22

2.4.29-1ubuntu4.23

2.4.29-1ubuntu4.24

2.4.29-1ubuntu4.25

2.4.29-1ubuntu4.26

2.4.29-1ubuntu4.27

2.4.29-1ubuntu4.27+esm1

2.4.29-1ubuntu4.27+esm2

2.4.29-1ubuntu4.27+esm3

2.4.29-1ubuntu4.27+esm4

Ubuntu:Pro:20.04:LTS / apache2

Package

Name: apache2
Purl: pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.23?arch=source&distro=esm-infra/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.4.41-1ubuntu1

2.4.41-4ubuntu1

2.4.41-4ubuntu2

2.4.41-4ubuntu3

2.4.41-4ubuntu3.1

2.4.41-4ubuntu3.3

2.4.41-4ubuntu3.4

2.4.41-4ubuntu3.5

2.4.41-4ubuntu3.6

2.4.41-4ubuntu3.7

2.4.41-4ubuntu3.8

2.4.41-4ubuntu3.9

2.4.41-4ubuntu3.10

2.4.41-4ubuntu3.11

2.4.41-4ubuntu3.12

2.4.41-4ubuntu3.13

2.4.41-4ubuntu3.14

2.4.41-4ubuntu3.15

2.4.41-4ubuntu3.16

2.4.41-4ubuntu3.17

2.4.41-4ubuntu3.19

2.4.41-4ubuntu3.20

2.4.41-4ubuntu3.21

2.4.41-4ubuntu3.23

Ubuntu:22.04:LTS / apache2

Package

Name: apache2
Purl: pkg:deb/ubuntu/apache2@2.4.52-1ubuntu4.14?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.4.48-3.1ubuntu3

2.4.48-3.1ubuntu4

2.4.51-2ubuntu1

2.4.52-1ubuntu1

2.4.52-1ubuntu2

2.4.52-1ubuntu4

2.4.52-1ubuntu4.1

2.4.52-1ubuntu4.2

2.4.52-1ubuntu4.3

2.4.52-1ubuntu4.4

2.4.52-1ubuntu4.5

2.4.52-1ubuntu4.6

2.4.52-1ubuntu4.7

2.4.52-1ubuntu4.8

2.4.52-1ubuntu4.9

2.4.52-1ubuntu4.10

2.4.52-1ubuntu4.11

2.4.52-1ubuntu4.12

2.4.52-1ubuntu4.13

2.4.52-1ubuntu4.14

Ubuntu:24.04:LTS / apache2

Package

Name: apache2
Purl: pkg:deb/ubuntu/apache2@2.4.58-1ubuntu8.6?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.4.57-2ubuntu2

2.4.57-2ubuntu3

2.4.58-1ubuntu1

2.4.58-1ubuntu2

2.4.58-1ubuntu6

2.4.58-1ubuntu7

2.4.58-1ubuntu8

2.4.58-1ubuntu8.1

2.4.58-1ubuntu8.2

2.4.58-1ubuntu8.3

2.4.58-1ubuntu8.4

2.4.58-1ubuntu8.5

2.4.58-1ubuntu8.6

Ubuntu:25.04 / apache2

Package

Name: apache2
Purl: pkg:deb/ubuntu/apache2@2.4.63-1ubuntu1?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.4.62-1ubuntu1

2.4.62-3ubuntu1

2.4.63-1ubuntu1