NULL pointer dereference in Oniguruma Project
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 libraries for PHP and Rust.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.021 (81.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Oniguruma Project — versions 6.9.2
- Fedoraproject Fedora — versions 29, 30
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/kkos/oniguruma/commit/c509265c5f6ae7264f7b8a8aae1cfa5fc59d108c (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/201911-03 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-13225?
- CVE-2019-13225 is a medium-severity vulnerability in Oniguruma Project, 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.