Multiple vulnerabilities have been found in libarchive, some of which may allow execution of arbitrary code.
|Package||app-arch/libarchive on all architectures|
|Affected versions||< 3.1.2-r1|
|Unaffected versions||>= 3.1.2-r1|
libarchive is a library for manipulating different streaming archive formats, including certain tar variants, several cpio formats, and both BSD and GNU ar variants.
Multiple vulnerabilities have been discovered in libarchive. Please review the CVE identifiers referenced below for details.
A remote attacker could entice a user or automated process to open a specially crafted archive using an application linked against libarchive, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.
There is no known workaround at this time.
All libarchive users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-arch/libarchive-3.1.2-r1"
Packages which depend on this library may need to be recompiled. Tools such as revdep-rebuild may assist in identifying some of these packages.