Screen vulnerabilitiesRanked by how likely they are to be used.
Screen is made by Gnu. We track 9 published vulnerabilities in it, across 30 versions. None of them is on the list of flaws known to be exploited today. If you run Screen, keep it on a version the vendor still supports.
We keep watching the known-exploited list.
Which Screen vulnerabilities are being exploited?
This is the list that matters most: flaws criminals are using now.
None of Screen's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.
Which Screen flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 9.1%CVE-2021-26937Critical
encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.
- 3.4%CVE-2003-0972Critical
Integer signedness error in ansi.c for GNU screen 4.0.1 and earlier, and 3.9.15 and earlier, allows local users to execute arbitrary code via a large number of ";" (semicolon) characters in escape sequences, which...
- 2.6%CVE-2020-9366Critical
A buffer overflow was found in the way GNU Screen before 4.8.0 treated the special escape OSC 49.
- 2.1%
Multiple unspecified vulnerabilities in the "utf8 combining characters handling" (utf8_handle_comb function in encoding.c) in screen before 4.0.3 allows user-assisted attackers to cause a denial of service (crash or...
- 1.3%CVE-2002-1602Medium
Buffer overflow in the Braille module for GNU screen 3.9.11, when HAVE_BRAILLE is defined, allows local users to execute arbitrary code.
- 1.1%CVE-2017-5618High
GNU screen before 4.5.1 allows local users to modify arbitrary files and consequently gain root privileges by leveraging improper checking of logfile permissions.
- 0.7%CVE-2007-3048High
GNU screen 4.0.3 allows local users to unlock the screen via a CTRL-C sequence at the password prompt.
- 0.5%CVE-2023-24626Medium
socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a denial of...
- 0.3%CVE-2009-1214Medium
GNU screen 4.0.3 creates the /tmp/screen-exchange temporary file with world-readable permissions, which might allow local users to obtain sensitive session information.
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1 new flaw affects software Acme tracks
encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.
- Matched to
- Screen on Acme's software list
- What to do
- Plan in the vendor’s update
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 9 published vulnerabilities listed under the name Screen, across 30 versions.
None of Screen's vulnerabilities is on the list of flaws known to be exploited today.
Create a EdgeProtect account and track Screen. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.