Detections
Analytics

CVE-2016-6261

high

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.

References

http://www.ubuntu.com/usn/USN-3068-1

http://www.securityfocus.com/bid/92070

http://www.openwall.com/lists/oss-security/2016/07/21/4

http://www.openwall.com/lists/oss-security/2016/07/20/6

http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html

https://lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.html

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

http://www.debian.org/security/2016/dsa-3658

http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=f20ce1128fb7f4d33297eee307dddaf0f92ac72d

Details

Source: Mitre, NVD

Published: 2016-09-07

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.04502