CVE-2019-18224

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/libidn/libidn2/compare/libidn2-2.1.0…libidn2-2.1.1
• https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420
• https://usn.ubuntu.com/4168-1/
• 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/
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html
• https://www.debian.org/security/2020/dsa-4613
• https://seclists.org/bugtraq/2020/Feb/4
• https://security.gentoo.org/glsa/202003-63

References

• https://github.com/libidn/libidn2/compare/libidn2-2.1.0…libidn2-2.1.1
• https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420
• https://usn.ubuntu.com/4168-1/
• 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/
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html
• https://www.debian.org/security/2020/dsa-4613
• https://seclists.org/bugtraq/2020/Feb/4
• https://security.gentoo.org/glsa/202003-63

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