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Vulnerability record · CVE-2016-6262 · published 7 September 2016

CVE-2016-6262: Gnu libidn out-of-bounds read vulnerability

Gnu · Libidn

idn in libidn before 1.33 might allow remote attackers to obtain sensitive memory information by reading a zero byte as input, which triggers an out-of-bounds read, a different vulnerability than CVE-2015-8948.

7.5 CVSS 3.0 High EPSS 6.5% · top 6.5% CWE-125 · Out-of-bounds read
7.5CVSS 3.0 base score, v2 5.0
6.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
20References
17 Jun 2026Last modified by NVD

Description

idn in libidn before 1.33 might allow remote attackers to obtain sensitive memory information by reading a zero byte as input, which triggers an out-of-bounds read, a different vulnerability than CVE-2015-8948.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=5e3cb9c7b5bf0ce665b9d68f5ddf095af5c9ba60 Issue TrackingPatch
http://lists.opensuse.org/opensuse-updates/2016-08/msg00005.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/20/6 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/21/4 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/92070 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-3068-1 Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.ap
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.ap
https://lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.html Vendor Advisory
http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=5e3cb9c7b5bf0ce665b9d68f5ddf095af5c9ba60 Issue TrackingPatch
http://lists.opensuse.org/opensuse-updates/2016-08/msg00005.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/20/6 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/21/4 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/92070 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-3068-1 Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.ap
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.ap
https://lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.html Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-6262), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.