UBUNTU-CVE-2016-9954

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Source
https://ubuntu.com/security/CVE-2016-9954
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9954.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2016-9954
Upstream
Published
2017-04-21T20:59:00Z
Modified
2025-10-24T04:45:59Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

The backtrack compilation code in the Irregex package (aka IrRegular Expressions) before 0.9.6 for Scheme allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression with a repeating pattern.

References

Affected packages

Ubuntu:16.04:LTS / chicken

Package

Name
chicken
Purl
pkg:deb/ubuntu/chicken@4.9.0.1-1?arch=source&distro=xenial

Affected ranges

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

Affected versions

4.*

4.9.0.1-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.9.0.1-1",
            "binary_name": "chicken-bin"
        },
        {
            "binary_version": "4.9.0.1-1",
            "binary_name": "libchicken-dev"
        },
        {
            "binary_version": "4.9.0.1-1",
            "binary_name": "libchicken7"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9954.json"