CVE-2021-26937
Published · Updated
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 9.1%
exploitation probability
9.1%top 5% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
n/a · n/aReferences
https://ftp.gnu.org/gnu/screen/https://lists.debian.org/debian-lts-announce/2021/02/msg00031.htmlhttps://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://lists.gnu.org/archive/html/screen-devel/2021-02/msg00000.htmlhttps://security.gentoo.org/glsa/202105-11https://security.netapp.com/advisory/ntap-20250509-0004/https://www.debian.org/security/2021/dsa-4861https://www.openwall.com/lists/oss-security/2021/02/09/3http://www.openwall.com/lists/oss-security/2021/02/09/8