PoC Index

CVE-2019-19203

HIGH 7.5EPSS 4.1%

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.

CVSS v3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
4.05% chance of exploitation in the next 30 days, 90th percentile
Published
2019-11-21
Updated
2024-08-05

Proof-of-concept exploits (2)

References

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