CVE-2016-6261
Published: 21 July 2016
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libidn Launchpad, Ubuntu, Debian |
precise |
Released
(1.23-2ubuntu0.1)
|
| trusty |
Released
(1.28-1ubuntu2.1)
|
|
| upstream |
Released
(1.33-1)
|
|
| wily |
Ignored
(end of life)
|
|
| xenial |
Released
(1.32-3ubuntu1.1)
|
|
| yakkety |
Not vulnerable
(1.33-1)
|
|
| zesty |
Not vulnerable
(1.33-1)
|
|
|
Patches: upstream: http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=f20ce1128fb7f4d33297eee307dddaf0f92ac72d upstream: http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=11abd0e02c16f9e0b6944aea4ef0f2df44b42dd4 upstream: http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=9a1a7e15d0706634971364493fbb06e77e74726c |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |