CVE-2016-6263

The stringprep_utf8_nfkc_normalize function in lib/nfkc.c in libidn before 1.33 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted UTF-8 data.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 87%
VendorProductVersion
gnulibidn
𝑥
≤ 1.32
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libidn
bullseye
1.33-3
fixed
bookworm
1.41-1
fixed
sid
1.42-2
fixed
trixie
1.42-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libidn
zesty
not-affected
yakkety
not-affected
xenial
Fixed 1.32-3ubuntu1.1
released
wily
ignored
trusty
Fixed 1.28-1ubuntu2.1
released
precise
Fixed 1.23-2ubuntu0.1
released
Common Weakness Enumeration
References
http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=1fbee57ef3c72db2206dd87e4162108b2f425555
http://lists.opensuse.org/opensuse-updates/2016-08/msg00005.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html
http://www.debian.org/security/2016/dsa-3658
http://www.openwall.com/lists/oss-security/2016/07/20/6
http://www.openwall.com/lists/oss-security/2016/07/21/4
http://www.securityfocus.com/bid/92070
http://www.ubuntu.com/usn/USN-3068-1
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.html
https://security.gentoo.org/glsa/201908-06
http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=1fbee57ef3c72db2206dd87e4162108b2f425555
http://lists.opensuse.org/opensuse-updates/2016-08/msg00005.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html
http://www.debian.org/security/2016/dsa-3658
http://www.openwall.com/lists/oss-security/2016/07/20/6
http://www.openwall.com/lists/oss-security/2016/07/21/4
http://www.securityfocus.com/bid/92070
http://www.ubuntu.com/usn/USN-3068-1
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.html
https://security.gentoo.org/glsa/201908-06