vulnwire
7.5high

CVE-2016-6261

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-b…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.9%
percentile 90%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

3.88% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

  • openwall.com /lists/oss-security/2016/07/21/4 · mailing-list, x_refsource_MLIST, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-08/msg00098.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • openwall.com /lists/oss-security/2016/07/20/6 · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/92070 · vdb-entry, x_refsource_BID, x_transferred
  • debian.org /security/2016/dsa-3658 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • git.savannah.gnu.org /cgit/libidn.git/commit/?id=f20ce1128fb7f4d33297eee307dddaf0f92ac72d · x_refsource_CONFIRM, x_transferred
  • lists.gnu.org /archive/html/help-libidn/2016-07/msg00009.html · mailing-list, x_refsource_MLIST, x_transferred
  • ubuntu.com /usn/USN-3068-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.gnu.org /archive/html/help-libidn/2015-07/msg00016.html · mailing-list, x_refsource_MLIST, x_transferred
  • lists.apache.org /thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkee · mailing-list, x_refsource_MLIST, x_transferred
  • lists.apache.org /thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkee · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.