CVE-2019-6293

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2019-6293
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-6293.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-6293
Downstream
Related
Published
2019-01-15T00:29:00.523Z
Modified
2026-03-14T09:39:49.790874Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in the function markbeginningasnormal in nfa.c in flex 2.6.4. There is a stack exhaustion problem caused by the markbeginningasnormal function making recursive calls to itself in certain scenarios involving lots of '*' characters. Remote attackers could leverage this vulnerability to cause a denial-of-service.

References

Affected packages

Git / github.com/westes/flex

Affected ranges

Type
GIT
Repo
https://github.com/westes/flex
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
ab49343b08c933e32de8de78132649f9560a3727
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.6.4"
        }
    ]
}

Affected versions

Other
flex-2-5-10
flex-2-5-5b
flex-2-5-5c
v2.*
v2.6.0
v2.6.1
v2.6.2
v2.6.3
v2.6.4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-6293.json"