CVE-2019-6293
Published: 15 January 2019
An issue was discovered in the function mark_beginning_as_normal in nfa.c in flex 2.6.4. There is a stack exhaustion problem caused by the mark_beginning_as_normal 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.
Priority
Status
Package | Release | Status |
---|---|---|
flex Launchpad, Ubuntu, Debian |
groovy |
Ignored
(end of life)
|
kinetic |
Ignored
(end of life, was needed)
|
|
xenial |
Needed
|
|
jammy |
Needed
|
|
lunar |
Ignored
(end of life, was needed)
|
|
bionic |
Needed
|
|
cosmic |
Ignored
(end of life)
|
|
disco |
Ignored
(end of life)
|
|
eoan |
Ignored
(end of life)
|
|
focal |
Needed
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Ignored
(end of life)
|
|
trusty |
Does not exist
(trusty was needed)
|
|
upstream |
Needs triage
|
|
mantic |
Needed
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |