UBUNTU-CVE-2025-55763

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Source
https://ubuntu.com/security/CVE-2025-55763
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-55763.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-55763
Upstream
Published
2025-08-29T17:15:00Z
Modified
2026-05-20T16:23:37.112971623Z
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

Buffer Overflow in the URI parser of CivetWeb 1.14 through 1.16 (latest) allows a remote attacker to achieve remote code execution via a crafted HTTP request. This vulnerability is triggered during request processing and may allow an attacker to corrupt heap memory, potentially leading to denial of service or arbitrary code execution.

References

Affected packages

Ubuntu:22.04:LTS / civetweb

Package

Name
civetweb
Purl
pkg:deb/ubuntu/civetweb?arch=source&distro=jammy

Affected ranges

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

Affected versions

1.*
1.13+dfsg-5
1.15+dfsg-1
1.15+dfsg-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "civetweb",
            "binary_version": "1.15+dfsg-3"
        },
        {
            "binary_name": "libcivetweb1",
            "binary_version": "1.15+dfsg-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-55763.json"

Ubuntu:24.04:LTS / civetweb

Package

Name
civetweb
Purl
pkg:deb/ubuntu/civetweb?arch=source&distro=noble

Affected ranges

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

Affected versions

1.*
1.16+dfsg-1
1.16+dfsg-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "civetweb",
            "binary_version": "1.16+dfsg-1build1"
        },
        {
            "binary_name": "libcivetweb1",
            "binary_version": "1.16+dfsg-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-55763.json"

Ubuntu:25.10 / civetweb

Package

Name
civetweb
Purl
pkg:deb/ubuntu/civetweb?arch=source&distro=questing

Affected ranges

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

Affected versions

1.*
1.16+dfsg-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "civetweb",
            "binary_version": "1.16+dfsg-2"
        },
        {
            "binary_name": "libcivetweb1",
            "binary_version": "1.16+dfsg-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-55763.json"

Ubuntu:26.04:LTS / civetweb

Package

Name
civetweb
Purl
pkg:deb/ubuntu/civetweb?arch=source&distro=resolute

Affected ranges

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

Affected versions

1.*
1.16+dfsg-2
1.16+dfsg-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "civetweb",
            "binary_version": "1.16+dfsg-3"
        },
        {
            "binary_name": "libcivetweb1",
            "binary_version": "1.16+dfsg-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-55763.json"