GNU IDN Library 2: Multiple vulnerabilities — GLSA 202003-63

Multiple vulnerabilities have been found in GNU IDN Library 2, the worst of which could result in the remote execution of arbitrary code.

Affected packages

Background

GNU IDN Library 2 is an implementation of the IDNA2008 + TR46 specifications (RFC 5890, RFC 5891, RFC 5892, RFC 5893, TR 46).

Description

Multiple vulnerabilities have been discovered in GNU IDN Library 2. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could send specially crafted input, possibly resulting in execution of arbitrary code with the privileges of the process, impersonation of domains or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-dns/libidn2-2.2.0"
 

References

• CVE-2019-12290
• CVE-2019-18224

Release date
March 30, 2020

Latest revision
March 30, 2020: 1

Severity
normal

Exploitable
local, remote

Bugzilla entries

• 697752