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CVE-2019-19246

Published: 25 November 2019

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.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
libonig
Launchpad, Ubuntu, Debian
hirsute Not vulnerable
(6.9.4-1)
jammy Not vulnerable
(6.9.4-1)
bionic
Released (6.7.0-1ubuntu0.1~esm2)
Available with Ubuntu Pro
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(6.9.4-1)
groovy Not vulnerable
(6.9.4-1)
impish Not vulnerable
(6.9.4-1)
kinetic Not vulnerable
(6.9.4-1)
lunar Not vulnerable
(6.9.4-1)
trusty
Released (5.9.1-1ubuntu1.1+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial
Released (5.9.6-1ubuntu0.1+esm2)
Available with Ubuntu Pro

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H