UBUNTU-CVE-2016-6354

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Source
https://ubuntu.com/security/CVE-2016-6354
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-6354.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-6354
Upstream
Published
2016-09-21T14:25:00Z
Modified
2026-04-22T10:49:34Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

Heap-based buffer overflow in the yy_get_next_buffer function in Flex before 2.6.1 might allow context-dependent attackers to cause a denial of service or possibly execute arbitrary code via vectors involving num_to_read.

References

Affected packages

Ubuntu:16.04:LTS / flex

Package

Name
flex
Purl
pkg:deb/ubuntu/flex@2.6.0-11?arch=source&distro=xenial

Affected ranges

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

Affected versions

2.*
2.5.39-8
2.6.0-1
2.6.0-3
2.6.0-4
2.6.0-6
2.6.0-7
2.6.0-8
2.6.0-9
2.6.0-11

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "flex",
            "binary_version": "2.6.0-11"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-6354.json"