DEBIAN-CVE-2019-19204

DEBIAN-CVE-2019-19204 PUBLISHED CVSS 7.5 HIGH

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.

Risk Scores

CVSS 3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
Debian:11	libonig	0, 0, 0
Debian:14	libonig	0, 0, 0
Debian:13	libonig	0, 0, 0
Debian:12	libonig	0, 0, 0

Exploit Intelligence

Heap-buffer-overflow in Oniguruma (function fetch_interval_quantifier) (github-poc)
Heap-buffer-overflow in Oniguruma (function fetch_interval_quantifier) (github-poc)

Timeline

Nov 21, 2019 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2019-19204 advisory

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