Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Screen | < 4.8.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2020/02/25/1Mailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/screen-devel/2020-02/msg00007.htmlMailing ListPatchRelease Notes
- https://security.gentoo.org/glsa/202003-62Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/02/06/3Mailing ListPatchRelease Notes
- http://www.openwall.com/lists/oss-security/2020/02/25/1Mailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/screen-devel/2020-02/msg00007.htmlMailing ListPatchRelease Notes
- https://security.gentoo.org/glsa/202003-62Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/02/06/3Mailing ListPatchRelease Notes
FAQ
What is CVE-2020-9366?
CVE-2020-9366 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...
How severe is CVE-2020-9366?
CVE-2020-9366 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-9366?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Screen.