CVE-2019-19204

Description

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.

References

https://github.com/kkos/oniguruma/issues/162

https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2

https://github.com/ManhNDd/CVE-2019-19204

https://github.com/tarantula-team/CVE-2019-19204

https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/

https://lists.fedoraproject.org/archives/list/[email protected]/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/

https://usn.ubuntu.com/4460-1/

Details

Risk Information

CVSS v2

CVSS v3