Denial of Service Vulnerability in GNU libidn and Related Libraries
CVE-2016-6263

7.5HIGH

Key Information:

Vendor
Gnu
Status
Libidn
Vendor
CVE Published:
7 September 2016

Summary

The stringprep_utf8_nfkc_normalize function in GNU libidn prior to version 1.33 is prone to vulnerabilities that allow attackers to exploit crafted UTF-8 data. This leads to context-dependent denial of service conditions, where an out-of-bounds read can occur, potentially causing an application crash. Users are advised to upgrade to the latest version to mitigate this risk.

References

http://www.openwall.com/lists/oss-security/2016/07/21/4
mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-updates/2016-08/msg000...
vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2016/07/20/6
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
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