CVE-2019-18224

NVD

https://nvd.nist.gov/vuln/detail/CVE-2019-18224

Severity

9.8

Critical

CVSS V3

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Description

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://nvd.nist.gov/vuln/detail/CVE-2019-18224
https://github.com/advisories/GHSA-j2c9-63g7-697x
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MINU5RKDFE6TKAFY5DRFN3WSFDS4DYVS/
https://seclists.org/bugtraq/2020/Feb/4
https://usn.ubuntu.com/4168-1/
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420
https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c
https://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1
https://security.gentoo.org/glsa/202003-63
https://www.debian.org/security/2020/dsa-4613

Affected packages

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CVE-2019-18224

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