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Status published
High
CVE-2016-6261
The idna_to_ascii_4i function in lib/idna.c in libidn before 1.33 allows...
Vulnerability Description
The idna_to_ascii_4i function in lib/idna.c in libidn before 1.33 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via 64 bytes of input.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.openwall.com/lists/oss-security/2016/07/21/4
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html
- http://www.openwall.com/lists/oss-security/2016/07/20/6
- http://www.securityfocus.com/bid/92070
- http://www.debian.org/security/2016/dsa-3658
- http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=f20ce1128fb7f4d33297eee307dddaf0f92ac72d
- https://lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.html
- http://www.ubuntu.com/usn/USN-3068-1
- https://lists.gnu.org/archive/html/help-libidn/2015-07/msg00016.html
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
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Affected Vendor
opensuse
View all reports →Affected Software
leap, libidn, ubuntu linux
Vulnerable Versions:
42.1, 0, 12.04, 14.04, 16.04
Timeline
Official Publish:
September 7th, 2016
Last Modified:
August 6th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.