Multiple vulnerabilities have been found in GNU IDN Library 2, the worst of which could result in the remote execution of arbitrary code.
|Package||net-dns/libidn2 on all architectures|
|Affected versions||< 2.2.0|
|Unaffected versions||>= 2.2.0|
GNU IDN Library 2 is an implementation of the IDNA2008 + TR46 specifications (RFC 5890, RFC 5891, RFC 5892, RFC 5893, TR 46).
Multiple vulnerabilities have been discovered in GNU IDN Library 2. Please review the CVE identifiers referenced below for details.
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.
There is no known workaround at this time.
All GNU IDN Library 2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/libidn2-2.2.0"
March 30, 2020
March 30, 2020: 1