High severity7.5NVD Advisory· Published Sep 7, 2016· Updated May 6, 2026
CVE-2016-6261
CVE-2016-6261
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.
Affected products
5cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*+ 2 more
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
11- git.savannah.gnu.org/cgit/libidn.git/commit/nvdIssue TrackingPatch
- lists.opensuse.org/opensuse-updates/2016-08/msg00098.htmlnvdThird Party Advisory
- www.openwall.com/lists/oss-security/2016/07/20/6nvdMailing ListThird Party Advisory
- www.openwall.com/lists/oss-security/2016/07/21/4nvdMailing ListThird Party Advisory
- www.securityfocus.com/bid/92070nvdThird Party AdvisoryVDB Entry
- www.ubuntu.com/usn/USN-3068-1nvdThird Party Advisory
- lists.gnu.org/archive/html/help-libidn/2015-07/msg00016.htmlnvdMailing ListVendor Advisory
- lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.htmlnvdVendor Advisory
- www.debian.org/security/2016/dsa-3658nvd
- lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3Envd
- lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3Envd
News mentions
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