UBUNTU-CVE-2025-6494

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Source
https://ubuntu.com/security/CVE-2025-6494
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6494.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-6494
Upstream
Withdrawn
2025-07-22T04:57:36Z
Published
2025-06-22T23:15:00Z
Modified
2025-07-18T17:02:45Z
Severity
  • 3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • 1.9 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833. It has been classified as problematic. This affects the function hashmapgetwith_hash of the file gumbo-parser/src/hashmap.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The patch is named ada4708e5a67114402cd3feb70a4e1d1d7cf773a. It is recommended to apply a patch to fix this issue. The project maintainer explains that the affected code was merged into the main branch but the commit never appeared in an official release.

References

Affected packages

Ubuntu:22.04:LTS
ruby-nokogiri

Package

Name
ruby-nokogiri
Purl
pkg:deb/ubuntu/ruby-nokogiri@1.13.1+dfsg-2?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.11.1+dfsg-2ubuntu1
1.11.7+dfsg-3
1.11.7+dfsg-3build1
1.13.1+dfsg-2

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6494.json"
Ubuntu:24.04:LTS
ruby-nokogiri

Package

Name
ruby-nokogiri
Purl
pkg:deb/ubuntu/ruby-nokogiri@1.16.2+dfsg-1build1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.14.3+dfsg-2
1.16.2+dfsg-1
1.16.2+dfsg-1build1

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6494.json"
Ubuntu:25.04
ruby-nokogiri

Package

Name
ruby-nokogiri
Purl
pkg:deb/ubuntu/ruby-nokogiri@1.16.4+dfsg-1build1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.16.4+dfsg-1build1

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6494.json"
Ubuntu:Pro:14.04:LTS
ruby-nokogiri

Package

Name
ruby-nokogiri
Purl
pkg:deb/ubuntu/ruby-nokogiri@1.6.1+ds-1ubuntu0.1~esm1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.5.9-2
1.5.9-3
1.6.0-1
1.6.1+ds-1
1.6.1+ds-1ubuntu0.1~esm1

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6494.json"
Ubuntu:Pro:16.04:LTS
ruby-nokogiri

Package

Name
ruby-nokogiri
Purl
pkg:deb/ubuntu/ruby-nokogiri@1.6.7.2-3ubuntu0.1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.6.6.2+ds-2build2
1.6.6.3-1
1.6.7-1
1.6.7.1-1
1.6.7.2-3
1.6.7.2-3build1
1.6.7.2-3ubuntu0.1

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6494.json"
Ubuntu:Pro:18.04:LTS
ruby-nokogiri

Package

Name
ruby-nokogiri
Purl
pkg:deb/ubuntu/ruby-nokogiri@1.8.2-1ubuntu0.1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.8.0-1
1.8.1-1
1.8.1-1build1
1.8.2-1build1
1.8.2-1ubuntu0.1

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6494.json"
Ubuntu:Pro:20.04:LTS
ruby-nokogiri

Package

Name
ruby-nokogiri
Purl
pkg:deb/ubuntu/ruby-nokogiri@1.10.7+dfsg1-2build1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.10.3+dfsg1-2
1.10.4+dfsg1-1
1.10.7+dfsg1-1
1.10.7+dfsg1-2
1.10.7+dfsg1-2build1

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6494.json"