CVE-2020-20703

A use-after-free flaw was found in Vim. This issue allows a heap buffer overflow leading to a write access violation. This flaw allows the attacker to possibly have control over the write address and value, which may lead to an application crash.

Red Hat Product Security has rated this issue as having a Low security impact, because the "victim" has to run an untrusted file IN SCRIPT MODE. Someone who is running untrusted files in script mode is equivalent to someone just taking a random python script and running it.

For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Untrusted vim scripts with -s [scriptin] are not recommended to run.