PatchTheCVEuclibc vulnerabilities and fixes
Recent CVEs affecting uclibc, with upgrade or downgrade steps. 2 tracked.
uclibc has 2 tracked vulnerabilities, 2 critical. A fixed release or vendor patch exists for 1. Most recent: 2022-09-29. Highest priority: CVE-2022-29503 (score 67/100).
- CVE-2022-29503 CRITICAL 9.8 DOWNGRADE DOWNGRADE A memory corruption vulnerability exists in the libpthread linuxthreads functionality of uClibC 0.9.33.2 and u
- CVE-2021-43523 CRITICAL 9.6 UPGRADE UPGRADE In uClibc and uClibc-ng before 1.0.39, incorrect handling of special characters in domain names returned by DN
FAQ
How do I fix uclibc 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 uclibc being exploited right now?
None of the tracked uclibc CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which uclibc CVE should I patch first?
CVE-2022-29503 currently ranks highest (67/100): A memory corruption vulnerability exists in the libpthread linuxthreads functionality of uClibC 0.9.33.2 and u.