Out-of-bounds Read in Oniguruma_project Oniguruma
CVE-2019-19246
Oniguruma through 6.9.3, as used in PHP 7.3.x and other products, has a heap-based buffer over-read in str_lower_case_match in regexec.c.
Vulnerability class: Buffer Overflow
EPSS: 0.030 (86.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Oniguruma_project Oniguruma
- Php
- Canonical Ubuntu_linux — versions 14.04
- Debian Debian_linux — versions 8.0
- Fedoraproject Fedora — versions 31
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-19246?
- CVE-2019-19246 is a high-severity vulnerability in Oniguruma_project Oniguruma, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2019-11-25.
- How severe is CVE-2019-19246?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-19246 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.