{"schema_version":"1.7.2","id":"OESA-2021-1090","modified":"2026-08-06T11:04:19Z","published":"2021-03-26T11:04:19Z","upstream":["CVE-2021-26937"],"summary":"screen security update","details":"Screen is a full-screen window manager that multiplexes a physical terminal between several processes, typically interactive shells. \r\n\r\nSecurity Fix(es):\r\n\r\nencoding.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.(CVE-2021-26937)","affected":[{"package":{"ecosystem":"openEuler:20.03-LTS","name":"screen","purl":"pkg:rpm/openEuler/screen&distro=openEuler-20.03-LTS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-2.oe1"}]}],"ecosystem_specific":{"aarch64":["screen-debugsource-4.8.0-2.oe1.aarch64.rpm","screen-debuginfo-4.8.0-2.oe1.aarch64.rpm","screen-4.8.0-2.oe1.aarch64.rpm","screen-debuginfo-4.8.0-2.oe1.aarch64.rpm","screen-debugsource-4.8.0-2.oe1.aarch64.rpm","screen-4.8.0-2.oe1.aarch64.rpm"],"noarch":["screen-help-4.8.0-2.oe1.noarch.rpm","screen-help-4.8.0-2.oe1.noarch.rpm"],"src":["screen-4.8.0-2.oe1.src.rpm","screen-4.8.0-2.oe1.src.rpm"],"x86_64":["screen-4.8.0-2.oe1.x86_64.rpm","screen-debuginfo-4.8.0-2.oe1.x86_64.rpm","screen-debugsource-4.8.0-2.oe1.x86_64.rpm","screen-debugsource-4.8.0-2.oe1.x86_64.rpm","screen-debuginfo-4.8.0-2.oe1.x86_64.rpm","screen-4.8.0-2.oe1.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:20.03-LTS-SP1","name":"screen","purl":"pkg:rpm/openEuler/screen&distro=openEuler-20.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-2.oe1"}]}],"ecosystem_specific":{"aarch64":["screen-debuginfo-4.8.0-2.oe1.aarch64.rpm","screen-debugsource-4.8.0-2.oe1.aarch64.rpm","screen-4.8.0-2.oe1.aarch64.rpm"],"noarch":["screen-help-4.8.0-2.oe1.noarch.rpm"],"src":["screen-4.8.0-2.oe1.src.rpm"],"x86_64":["screen-debugsource-4.8.0-2.oe1.x86_64.rpm","screen-debuginfo-4.8.0-2.oe1.x86_64.rpm","screen-4.8.0-2.oe1.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1090"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26937"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}],"database_specific":{"severity":"Critical"}}