CVE-2019-18224

9.8CRITICAL

Key Information:

Vendor
Gnu
Status
Libidn2
Vendor
CVE Published:
21 October 2019

Summary

idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.

References

https://github.com/libidn/libidn2/compare/libidn2-2.1.0.....
x_refsource_MISC
https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a...
x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.