Vulnerability DatabaseWS-2020-0393
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WS-2020-0393
Published:May 14, 2026
Updated:May 14, 2026
Oniguruma in versions 6.9.5_rc1 to 6.9.5 is vulnerable to Stack-buffer-overflow in onigenc_unicode_get_case_fold_codes_by_str, related to src/unicode.c
Affected Packages
ovmf (YOCTO):
Affected version(s) =edk2
Fix Suggestion:
Update to version no_fix
Related Resources (1)
https://github.com/kkos/oniguruma/commit/a4aaa67878509ea8296ef349bcfe98da48bc5457
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH