CVE-2019-6293

Name
CVE-2019-6293
Description
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.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Exploit https://github.com/westes/flex/issues/414

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:flex_project:flex:2.6.4:*:*:*:*:*:*:* flex == None == 2.6.4

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
flex edge-main 2.6.4-r2 Natanael Copa <ncopa@alpinelinux.org> fixed
flex 3.14-main 2.6.4-r2 Natanael Copa <ncopa@alpinelinux.org> fixed
flex 3.13-main 2.6.4-r2 Natanael Copa <ncopa@alpinelinux.org> fixed
flex 3.12-main 2.6.4-r2 Natanael Copa <ncopa@alpinelinux.org> fixed
flex 3.11-main 2.6.4-r2 Natanael Copa <ncopa@alpinelinux.org> fixed
flex 3.15-main 2.6.4-r2 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable