{"id":"ALPINE-CVE-2023-24626","details":"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 service or disruption of the target process.","modified":"2025-12-03T22:52:04.942966Z","published":"2023-04-08T05:15:07.063Z","upstream":["CVE-2023-24626"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2023-24626"}],"affected":[{"package":{"name":"screen","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/screen?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-r6"}]}],"versions":["4.0.3-r0","4.0.3-r1","4.0.3-r2","4.0.3-r3","4.0.3-r4","4.2.1-r0","4.2.1-r1","4.2.1-r2","4.2.1-r3","4.3.1-r0","4.3.1-r1","4.3.1-r2","4.3.1-r3","4.3.1-r4","4.4.0-r0","4.5.0-r0","4.5.1-r0","4.5.1-r1","4.6.0-r0","4.6.1-r0","4.6.1-r1","4.6.2-r0","4.7.0-r0","4.8.0-r0","4.8.0-r1","4.8.0-r2","4.8.0-r3","4.8.0-r4","4.8.0-r5"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24626.json"}},{"package":{"name":"screen","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/screen?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r1"}]}],"versions":["4.0.3-r0","4.0.3-r1","4.0.3-r2","4.0.3-r3","4.0.3-r4","4.2.1-r0","4.2.1-r1","4.2.1-r2","4.2.1-r3","4.3.1-r0","4.3.1-r1","4.3.1-r2","4.3.1-r3","4.3.1-r4","4.4.0-r0","4.5.0-r0","4.5.1-r0","4.5.1-r1","4.6.0-r0","4.6.1-r0","4.6.1-r1","4.6.2-r0","4.7.0-r0","4.8.0-r0","4.8.0-r1","4.8.0-r2","4.8.0-r3","4.8.0-r4","4.8.0-r5","4.8.0-r6","4.9.0-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24626.json"}},{"package":{"name":"screen","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/screen?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r1"}]}],"versions":["4.0.3-r0","4.0.3-r1","4.0.3-r2","4.0.3-r3","4.0.3-r4","4.2.1-r0","4.2.1-r1","4.2.1-r2","4.2.1-r3","4.3.1-r0","4.3.1-r1","4.3.1-r2","4.3.1-r3","4.3.1-r4","4.4.0-r0","4.5.0-r0","4.5.1-r0","4.5.1-r1","4.6.0-r0","4.6.1-r0","4.6.1-r1","4.6.2-r0","4.7.0-r0","4.8.0-r0","4.8.0-r1","4.8.0-r2","4.8.0-r3","4.8.0-r4","4.8.0-r5","4.8.0-r6","4.9.0-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24626.json"}},{"package":{"name":"screen","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/screen?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r3"}]}],"versions":["4.0.3-r0","4.0.3-r1","4.0.3-r2","4.0.3-r3","4.0.3-r4","4.2.1-r0","4.2.1-r1","4.2.1-r2","4.2.1-r3","4.3.1-r0","4.3.1-r1","4.3.1-r2","4.3.1-r3","4.3.1-r4","4.4.0-r0","4.5.0-r0","4.5.1-r0","4.5.1-r1","4.6.0-r0","4.6.1-r0","4.6.1-r1","4.6.2-r0","4.7.0-r0","4.8.0-r0","4.8.0-r1","4.8.0-r2","4.8.0-r3","4.8.0-r4","4.8.0-r5","4.8.0-r6","4.9.0-r0","4.9.0-r1","4.9.0-r2"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24626.json"}},{"package":{"name":"screen","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/screen?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r3"}]}],"versions":["4.0.3-r0","4.0.3-r1","4.0.3-r2","4.0.3-r3","4.0.3-r4","4.2.1-r0","4.2.1-r1","4.2.1-r2","4.2.1-r3","4.3.1-r0","4.3.1-r1","4.3.1-r2","4.3.1-r3","4.3.1-r4","4.4.0-r0","4.5.0-r0","4.5.1-r0","4.5.1-r1","4.6.0-r0","4.6.1-r0","4.6.1-r1","4.6.2-r0","4.7.0-r0","4.8.0-r0","4.8.0-r1","4.8.0-r2","4.8.0-r3","4.8.0-r4","4.8.0-r5","4.8.0-r6","4.9.0-r0","4.9.0-r1","4.9.0-r2"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24626.json"}},{"package":{"name":"screen","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/screen?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r3"}]}],"versions":["4.0.3-r0","4.0.3-r1","4.0.3-r2","4.0.3-r3","4.0.3-r4","4.2.1-r0","4.2.1-r1","4.2.1-r2","4.2.1-r3","4.3.1-r0","4.3.1-r1","4.3.1-r2","4.3.1-r3","4.3.1-r4","4.4.0-r0","4.5.0-r0","4.5.1-r0","4.5.1-r1","4.6.0-r0","4.6.1-r0","4.6.1-r1","4.6.2-r0","4.7.0-r0","4.8.0-r0","4.8.0-r1","4.8.0-r2","4.8.0-r3","4.8.0-r4","4.8.0-r5","4.8.0-r6","4.9.0-r0","4.9.0-r1","4.9.0-r2"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-24626.json"}},{"package":{"name":"screen","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/screen?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r3"}]}],"versions":["4.0.3-r0","4.0.3-r1","4.0.3-r2","4.0.3-r3","4.0.3-r4","4.2.1-r0","4.2.1-r1","4.2.1-r2","4.2.1-r3","4.3.1-r0","4.3.1-r1","4.3.1-r2","4.3.1-r3","4.3.1-r4","4.4.0-r0","4.5.0-r0","4.5.1-r0","4.5.1-r1","4.6.0-r0","4.6.1-r0","4.6.1-r1","4.6.2-r0","4.7.0-r0","4.8.0-r0","4.8.0-r1","4.8.0-r2","4.8.0-r3","4.8.0-r4","4.8.0-r5","4.8.0-r6","4.9.0-r0","4.9.0-r1","4.9.0-r2"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversi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