CVE-2020-9366

Description

A buffer overflow was found in the way GNU Screen before 4.8.0 treated the special escape OSC 49. Specially crafted output, or a special program, could corrupt memory and crash Screen or possibly have unspecified other impact.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.73% Top 30%
Vendor Advisory gentoo.org Vendor Advisory gnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.openwall.com/lists/oss-security/2020/02/06/3 mailing list release notes patch
https://lists.gnu.org/archive/html/screen-devel/2020-02/msg00007.html mailing list release notes patch vendor advisory
http://www.openwall.com/lists/oss-security/2020/02/25/1 third party advisory mailing list
https://security.gentoo.org/glsa/202003-62 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-9366?
CVE-2020-9366 has been scored as a critical severity vulnerability.
How to fix CVE-2020-9366?
To fix CVE-2020-9366, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-9366 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-9366 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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