VULNERABILITY INTELLIGENCE

CVE-2019-19012

CVSS score9.8 CRITICAL
EPSS probability10.63%
CISA KEVNot currently listed
Published2019-11-17
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-125: Out-of-bounds Read
  • CWE-190: Integer Overflow or Wraparound

Primary references