NULL pointer dereference in Oniguruma_project Oniguruma

CVE-2019-13225

A NULL Pointer Dereference in match_at() in regexec.c in Oniguruma 6.9.2 allows attackers to potentially cause denial of service by providing a crafted regular expression. Oniguruma issues often affect Ruby, as well as common optional libr…

EPSS: 0.021 (79.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-13225?
CVE-2019-13225 is a medium-severity vulnerability in Oniguruma_project Oniguruma, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2019-07-10.
How severe is CVE-2019-13225?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2019-13225 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.