xar vulnerabilities and fixes
Recent CVEs affecting xar, with upgrade or downgrade steps. 2 tracked.
xar has 2 tracked vulnerabilities, 2 critical. A fixed release or vendor patch exists for 0. Most recent: 2017-07-10. Highest priority: CVE-2017-11125 (score 59/100).
- CVE-2017-11125 CRITICAL 9.8 DOWNGRADE libxar.so in xar 1.6.1 has a NULL pointer dereference in the xar_get_path function in util.c.
- CVE-2017-11124 CRITICAL 9.8 DOWNGRADE libxar.so in xar 1.6.1 has a NULL pointer dereference in the xar_unserialize function in archive.c.
FAQ
How do I fix xar vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is xar being exploited right now?
None of the tracked xar CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which xar CVE should I patch first?
CVE-2017-11125 currently ranks highest (59/100): libxar.so in xar 1.6.1 has a NULL pointer dereference in the xar_get_path function in util.c..