CVE-2019-19204
oniguruma: Heap-based buffer over-read in function fetch_interval_quantifier in regparse.c
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 6, 2019
Updated · June 28, 2026
Description
An out-of-bounds read vulnerability was found in Oniguruma in the way it handled regular expression quantifiers. A remote attacker could abuse this flaw by providing a malformed regular expression that, when processed by an application linked to Oniguruma, could possibly crash the application, resulting in a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-125 · Out-of-bounds Read