CVE-2019-6293

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.

CVSS v3.0

5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

1.59% chance of exploitation in the next 30 days, 74th percentile

Published

2019-01-15

Updated

2024-09-16

Proof-of-concept exploits (1)

• westes/flex/issues/414

References

• CVE Record
• NVD entry

Related

• CVE-2019-6292
• CVE-2019-6294
• CVE-2019-6291
• CVE-2019-6329
• CVE-2019-6290
• CVE-2019-6339