CVE-2019-19012

CVE Details

Release Date:	2019-11-17
Impact:	Moderate	What is this?

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.

See more information about CVE-2019-19012 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.5
Vector String:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version:	3.1
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (oniguruma)	ELSA-2024-0889	2024-02-20
Oracle Linux version 8 (ruby)	ELSA-2025-7539	2025-05-16
Oracle Linux version 8 (rubygem-abrt)	ELSA-2025-7539	2025-05-16
Oracle Linux version 8 (rubygem-bson)	ELSA-2025-7539	2025-05-16
Oracle Linux version 8 (rubygem-bundler)	ELSA-2025-7539	2025-05-16
Oracle Linux version 8 (rubygem-mongo)	ELSA-2025-7539	2025-05-16
Oracle Linux version 8 (rubygem-mysql2)	ELSA-2025-7539	2025-05-16
Oracle Linux version 8 (rubygem-pg)	ELSA-2025-7539	2025-05-16