CVE-2019-18224: Buffer Overflow
First published: Mon Oct 21 2019(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU libidn2 | <2.1.1 | |
| debian/libidn2 | 2.3.0-5 2.3.3-1 2.3.7-2 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2019-18224
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420
- https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942895
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html
- https://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MINU5RKDFE6TKAFY5DRFN3WSFDS4DYVS/
- https://seclists.org/bugtraq/2020/Feb/4
- https://security.gentoo.org/glsa/202003-63
- https://usn.ubuntu.com/4168-1/
- https://www.debian.org/security/2020/dsa-4613
- https://launchpad.net/bugs/cve/CVE-2019-18224
- 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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18224
- https://nvd.nist.gov/vuln/detail/CVE-2019-18224
- https://ubuntu.com/security/CVE-2019-18224
- collector/debian-bugs
- alias/CVE-2019-18224
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- agent/type
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- collector/launchpad-cve
- source/Launchpad
- agent/author
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/weakness
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- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- collector/usn-cve
- source/Ubuntu
- vendor/gnu
- canonical/gnu libidn2
- package-manager/debian