USN-8807-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-8807-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8807-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8807-1
Upstream
Published
2026-09-23T17:07:59Z
Modified
2026-09-24T02:12:31Z
Summary
Open-iSNS vulnerability
Details

It was discovered that Open-iSNS contained a double-free vulnerability when decoding malformed iSNS attributes. An unauthenticated attacker could possibly use this to cause a denial of service.

References

Affected packages

Ubuntu:Pro:18.04:LTS / open-isns

Package

Name
open-isns
Purl
pkg:deb/ubuntu/open-isns?arch=source&distro=esm-infra%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.97-2ubuntu0.1~esm1

Affected versions

0.*
0.97-2
0.97-2build1

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "libisns0",
            "binary_version":  "0.97-2ubuntu0.1~esm1"
        },
        {
            "binary_name":  "open-isns-discoveryd",
            "binary_version":  "0.97-2ubuntu0.1~esm1"
        },
        {
            "binary_name":  "open-isns-server",
            "binary_version":  "0.97-2ubuntu0.1~esm1"
        },
        {
            "binary_name":  "open-isns-utils",
            "binary_version":  "0.97-2ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [],
    "ecosystem":  "Ubuntu:Pro:18.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8807-1.json"

Ubuntu:Pro:20.04:LTS / open-isns

Package

Name
open-isns
Purl
pkg:deb/ubuntu/open-isns?arch=source&distro=esm-infra%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.97-3ubuntu0.1~esm1

Affected versions

0.*
0.97-3

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "libisns0",
            "binary_version":  "0.97-3ubuntu0.1~esm1"
        },
        {
            "binary_name":  "open-isns-discoveryd",
            "binary_version":  "0.97-3ubuntu0.1~esm1"
        },
        {
            "binary_name":  "open-isns-server",
            "binary_version":  "0.97-3ubuntu0.1~esm1"
        },
        {
            "binary_name":  "open-isns-utils",
            "binary_version":  "0.97-3ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [],
    "ecosystem":  "Ubuntu:Pro:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8807-1.json"

Ubuntu:22.04:LTS / open-isns

Package

Name
open-isns
Purl
pkg:deb/ubuntu/open-isns?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.101-0ubuntu2.1

Affected versions

0.*
0.100-3ubuntu3
0.100-3ubuntu4
0.100-3ubuntu5
0.101-0ubuntu1
0.101-0ubuntu2

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libisns0",
            "binary_version":  "0.101-0ubuntu2.1"
        },
        {
            "binary_name":  "open-isns-discoveryd",
            "binary_version":  "0.101-0ubuntu2.1"
        },
        {
            "binary_name":  "open-isns-server",
            "binary_version":  "0.101-0ubuntu2.1"
        },
        {
            "binary_name":  "open-isns-utils",
            "binary_version":  "0.101-0ubuntu2.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [],
    "ecosystem":  "Ubuntu:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8807-1.json"

Ubuntu:24.04:LTS / open-isns

Package

Name
open-isns
Purl
pkg:deb/ubuntu/open-isns?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.101-0.3ubuntu0.1

Affected versions

0.*
0.101-0.2
0.101-0.3
0.101-0.3build1
0.101-0.3build2
0.101-0.3build3

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libisns0t64",
            "binary_version":  "0.101-0.3ubuntu0.1"
        },
        {
            "binary_name":  "open-isns-discoveryd",
            "binary_version":  "0.101-0.3ubuntu0.1"
        },
        {
            "binary_name":  "open-isns-server",
            "binary_version":  "0.101-0.3ubuntu0.1"
        },
        {
            "binary_name":  "open-isns-utils",
            "binary_version":  "0.101-0.3ubuntu0.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [],
    "ecosystem":  "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8807-1.json"

Ubuntu:26.04:LTS / open-isns

Package

Name
open-isns
Purl
pkg:deb/ubuntu/open-isns?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.101-2.1ubuntu0.1

Affected versions

0.*
0.101-1
0.101-1build1
0.101-2
0.101-2.1

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libisns0t64",
            "binary_version":  "0.101-2.1ubuntu0.1"
        },
        {
            "binary_name":  "open-isns-discoveryd",
            "binary_version":  "0.101-2.1ubuntu0.1"
        },
        {
            "binary_name":  "open-isns-server",
            "binary_version":  "0.101-2.1ubuntu0.1"
        },
        {
            "binary_name":  "open-isns-utils",
            "binary_version":  "0.101-2.1ubuntu0.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [],
    "ecosystem":  "Ubuntu:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8807-1.json"