CVE-2019-6293

Source
https://nvd.nist.gov/vuln/detail/CVE-2019-6293
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-6293.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2019-6293
Related
Published
2019-01-15T00:29:00Z
Modified
2024-10-12T05:17:13.592315Z
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

Debian:11 / flex

Package

Name
flex
Purl
pkg:deb/debian/flex?arch=source

Affected ranges

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

Affected versions

2.*

2.6.4-8
2.6.4-8.1
2.6.4-8.2

Ecosystem specific

{
    "urgency": "unimportant"
}

Debian:12 / flex

Package

Name
flex
Purl
pkg:deb/debian/flex?arch=source

Affected ranges

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

Affected versions

2.*

2.6.4-8.2

Ecosystem specific

{
    "urgency": "unimportant"
}

Debian:13 / flex

Package

Name
flex
Purl
pkg:deb/debian/flex?arch=source

Affected ranges

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

Affected versions

2.*

2.6.4-8.2

Ecosystem specific

{
    "urgency": "unimportant"
}

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

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