CVE-2021-26937
- Source
- https://cve.org/CVERecord?id=CVE-2021-26937
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26937.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-26937
- Downstream
- Related
- Published
- 2021-02-09T20:15:14.910Z
- Modified
- 2026-03-15T22:39:49.564515Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNWBOIDEPOEQS5RMQVMFKHKXJCGNYWBL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJWLXP45POUUYBJRRWPVAWNZDJTLYWVM/
- https://ftp.gnu.org/gnu/screen/
- https://security.netapp.com/advisory/ntap-20250509-0004/
- https://security.gentoo.org/glsa/202105-11
- https://lists.debian.org/debian-lts-announce/2021/02/msg00031.html
- https://www.debian.org/security/2021/dsa-4861
- http://www.openwall.com/lists/oss-security/2021/02/09/8
- https://lists.gnu.org/archive/html/screen-devel/2021-02/msg00000.html
- https://www.openwall.com/lists/oss-security/2021/02/09/3
Affected packages
Git /
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26937.json"
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "4.8.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "9.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "10.0"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "32"
}
]
},
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "33"
}
]
}
]