Summary
Felix Weinmann discovered that GNU Screen incorrectly handled certain
character sequences. A remote attacker could use this issue to cause GNU
Screen to crash, resulting in a denial of service, or possibly execute
arbitrary code.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 16.04 LTS 16.04:LTS | screen | 4.3.1-2ubuntu0.1 |
| Ubuntu · 18.04 LTS 18.04:LTS | screen | 4.6.2-1ubuntu1.1 |
| Ubuntu · 20.04 LTS 20.04:LTS | screen | 4.8.0-1ubuntu0.1 |
Vulnerabilities 1
-
Unscored —
encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and a…
References
-
report
https://ubuntu.com/security/CVE-2021-26937