UBUNTU-CVE-2026-89161

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2026-89161
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89161.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-89161
Upstream
Published
2026-09-11T04:18:00Z
Modified
2026-09-25T12:00:09Z
Severity
  • 7.4 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.

References

Affected packages

Ubuntu:20.04:LTS / pcre2

Package

Name
pcre2
Purl
pkg:deb/ubuntu/pcre2?arch=source&distro=focal

Affected ranges

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

Affected versions

10.*
10.32-5
10.34-7
10.34-7ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libpcre2-16-0",
            "binary_version": "10.34-7ubuntu0.1"
        },
        {
            "binary_name": "libpcre2-32-0",
            "binary_version": "10.34-7ubuntu0.1"
        },
        {
            "binary_name": "libpcre2-8-0",
            "binary_version": "10.34-7ubuntu0.1"
        },
        {
            "binary_name": "libpcre2-posix2",
            "binary_version": "10.34-7ubuntu0.1"
        },
        {
            "binary_name": "pcre2-utils",
            "binary_version": "10.34-7ubuntu0.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89161.json"

Ubuntu:22.04:LTS / pcre2

Package

Name
pcre2
Purl
pkg:deb/ubuntu/pcre2?arch=source&distro=jammy

Affected ranges

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

Affected versions

10.*
10.37-0ubuntu2
10.39-3
10.39-3build1
10.39-3ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libpcre2-16-0",
            "binary_version": "10.39-3ubuntu0.1"
        },
        {
            "binary_name": "libpcre2-32-0",
            "binary_version": "10.39-3ubuntu0.1"
        },
        {
            "binary_name": "libpcre2-8-0",
            "binary_version": "10.39-3ubuntu0.1"
        },
        {
            "binary_name": "libpcre2-posix3",
            "binary_version": "10.39-3ubuntu0.1"
        },
        {
            "binary_name": "pcre2-utils",
            "binary_version": "10.39-3ubuntu0.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89161.json"

Ubuntu:24.04:LTS / pcre2

Package

Name
pcre2
Purl
pkg:deb/ubuntu/pcre2?arch=source&distro=noble

Affected ranges

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

Affected versions

10.*
10.42-4
10.42-4ubuntu1
10.42-4ubuntu2
10.42-4ubuntu2.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libpcre2-16-0",
            "binary_version": "10.42-4ubuntu2.1"
        },
        {
            "binary_name": "libpcre2-32-0",
            "binary_version": "10.42-4ubuntu2.1"
        },
        {
            "binary_name": "libpcre2-8-0",
            "binary_version": "10.42-4ubuntu2.1"
        },
        {
            "binary_name": "libpcre2-posix3",
            "binary_version": "10.42-4ubuntu2.1"
        },
        {
            "binary_name": "pcre2-utils",
            "binary_version": "10.42-4ubuntu2.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89161.json"

Ubuntu:26.04:LTS / pcre2

Package

Name
pcre2
Purl
pkg:deb/ubuntu/pcre2?arch=source&distro=resolute

Affected ranges

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

Affected versions

10.*
10.46-1
10.46-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libpcre2-16-0",
            "binary_version": "10.46-1build1"
        },
        {
            "binary_name": "libpcre2-32-0",
            "binary_version": "10.46-1build1"
        },
        {
            "binary_name": "libpcre2-8-0",
            "binary_version": "10.46-1build1"
        },
        {
            "binary_name": "libpcre2-posix3",
            "binary_version": "10.46-1build1"
        },
        {
            "binary_name": "pcre2-utils",
            "binary_version": "10.46-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89161.json"