| Package | Affected versions | Patched versions |
|---|---|---|
| oniguruma | = 6.9.4≥ 6.0.0, < 6.9.4 | 6.9.4 |
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.
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