PatchTheCVEklibc vulnerabilities and fixes
Recent CVEs affecting klibc, with upgrade or downgrade steps. 5 tracked.
klibc has 5 tracked vulnerabilities, 4 critical. A fixed release or vendor patch exists for 5. Most recent: 2021-04-30. Highest priority: CVE-2011-1930 (score 74/100).
- CVE-2021-31873 CRITICAL 9.8 UPGRADE MITIGATE An issue was discovered in klibc before 2.0.9
- CVE-2021-31872 CRITICAL 9.8 UPGRADE MITIGATE An issue was discovered in klibc before 2.0.9
- CVE-2021-31871 HIGH 7.5 UPGRADE MITIGATE An issue was discovered in klibc before 2.0.9
- CVE-2021-31870 CRITICAL 9.8 UPGRADE MITIGATE An issue was discovered in klibc before 2.0.9
- CVE-2011-1930 CRITICAL 9.8 UPGRADE MITIGATE In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly esc
FAQ
How do I fix klibc vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is klibc being exploited right now?
None of the tracked klibc CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which klibc CVE should I patch first?
CVE-2011-1930 currently ranks highest (74/100): In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly esc.