CVE-2019-19204

Published: 21 November 2019

An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier (formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This leads to a heap-based buffer over-read.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
libonig
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 20.10 (Groovy Gorilla) Not vulnerable
(6.9.4-1)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(6.9.4-1)
Ubuntu 18.04 LTS (Bionic Beaver) Needed

Ubuntu 16.04 LTS (Xenial Xerus) Needed

Ubuntu 14.04 ESM (Trusty Tahr)
Released (5.9.1-1ubuntu1.1+esm2)
Patches:
Upstream: https://github.com/kkos/oniguruma/commit/6eb4aca6a7f2f60f473580576d86686ed6a6ebec