CRITICAL

CVE-2019-19012

CVSS v3

9.8

CRITICAL

EPSS Score

14.8%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

An integer overflow in the search_in_range function in regexec.c in Oniguruma 6.x before 6.9.4_rc2 leads to an out-of-bounds read, in which the offset of this read is under the control of an attacker. (This only affects the 32-bit compiled version). Remote attackers can cause a denial-of-service or information disclosure, or possibly have unspecified other impact, via a crafted regular expression.

Technical details

Published
11/17/2019

Frequently asked questions

What is CVE-2019-19012?

An integer overflow in the search_in_range function in regexec.c in Oniguruma 6.x before 6.9.4_rc2 leads to an out-of-bounds read, in which the offset of this read is under the control of an attacker. (This only affects the 32-bit compiled version). Remote attackers can cause a denial-of-service or information disclosure, or possibly have unspecified other impact, via a crafted regular expression.

Is CVE-2019-19012 actively exploited?

Active exploitation of CVE-2019-19012 has not been confirmed. The EPSS score is 14.8%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-19012?

CVE-2019-19012 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2019-19012 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.