CVE-2021-26937
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-26937
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-26937.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 4.8.0-3 | |
| sles | affected | | |
| debian | bookworm | fixed | 4.8.0-5 |
| debian | bullseye | fixed | 4.8.0-5 |
| debian | forky | fixed | 4.8.0-5 |
| debian | sid | fixed | 4.8.0-5 |
| debian | trixie | fixed | 4.8.0-5 |
References
Verify integrity in audit chain (admin only). AS-IS.