CVE-2021-46021: Use After Free
An Use-After-Free vulnerability in recrecorddestroy() at rec-record.c of GNU Recutils v1.8.90 can lead to a segmentation fault or application crash.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
alpine/recutilsto a version that resolves this vulnerability.Fixed in 1.9-r0
Event History
Frequently Asked Questions
What is the severity of CVE-2021-46021?
CVE-2021-46021 is classified as a high severity vulnerability due to its potential to cause application crashes or segmentation faults.
How do I fix CVE-2021-46021?
To fix CVE-2021-46021, upgrade to the patched version of GNU Recutils or the associated packages in your operating system repositories.
What versions are affected by CVE-2021-46021?
CVE-2021-46021 affects GNU Recutils v1.8.90 as well as specific versions of Fedora 35 and 36.
What is the impact of CVE-2021-46021?
The impact of CVE-2021-46021 can lead to a use-after-free condition that results in application instability or failure.
Is there a workaround for CVE-2021-46021?
Currently, the best course of action for CVE-2021-46021 is to apply the necessary updates as there are no known workarounds.