VDB
DEBIAN-CVE-2019-19203
DEBIAN-CVE-2019-19203
PUBLISHED
CVSS 7.5 HIGH
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. 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:13 | libonig | 0, 0, 0 |
| Debian:14 | libonig | 0, 0, 0 |
| Debian:11 | libonig | 0, 0, 0 |
| Debian:12 | libonig | 0, 0, 0 |
Exploit Intelligence
- An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read (github-poc)
- Heap-buffer-overflow in Oniguruma (function gb18030_mbc_enc_len) (github-poc)
Timeline
- Nov 21, 2019 CVE Published
- Apr 28, 2026 CVE Updated