CVE-2021-20227
MEDIUM severity · CVSS 5.5 · Use-after-free
5.5CVSS MEDIUM
Summary
A flaw was found in SQLite's SELECT query functionality (src/select.c). This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. The highest threat from this vulnerability is to system availability.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://www.oracle.com//security-alerts/cpujul2021.html ↗
Additional information
- NVD record
- https://www.oracle.com//security-alerts/cpujul2021.htmlPatch
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch
- https://www.sqlite.org/releaselog/3_34_1.htmlAdvisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1924886Advisory
- https://security.gentoo.org/glsa/202103-04Advisory
- https://security.gentoo.org/glsa/202210-40Advisory
- https://security.netapp.com/advisory/ntap-20210423-0010/Advisory