CVE-2019-19203 — Out-of-bounds Read in Project Oniguruma
Severity
7.5HIGHNVD
EPSS
0.7%
top 27.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 21
Latest updateOct 10
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages1 packages
Also affects: Fedora 30, 31
Patches
🔴Vulnerability Details
4📋Vendor Advisories
3💬Community
4Bugzilla▶
CVE-2019-19203 oniguruma: heap-based buffer over-read in function gb18030_mbc_enc_len in file gb18030.c [openstack-rdo]↗2020-03-17
Bugzilla▶
CVE-2019-19203 oniguruma: heap-based overflow in function gb18030_mbc_enc_len in file gb18030.c [fedora-30]↗2020-02-12
Bugzilla▶
CVE-2019-19203 oniguruma: heap-based buffer over-read in function gb18030_mbc_enc_len in file gb18030.c [epel-7]↗2020-02-12
Bugzilla▶
CVE-2019-19203 oniguruma: Heap-based buffer over-read in function gb18030_mbc_enc_len in file gb18030.c↗2020-02-12