{"id":"CVE-2017-20230","aliases":["DEBIAN-CVE-2017-20230","EUVD-2017-18967","GHSA-6r7m-2wh8-438w","RHSA-2026:7578","SUSE-SU-2026:1567-1","UBUNTU-CVE-2017-20230"],"status":"published","title":"Storable versions before 3.05 for Perl has a stack overflow","description":"Storable versions before 3.05 for Perl has a stack overflow.\n\nThe retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00641,"percentile":0.51008,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-121"],"published":"2026-04-21T15:26:18Z","modified":"2026-10-20T10:48:17Z","fixes":[{"ecosystem":"Debian:12","package":"perl","fixed_in":["5.28.0-3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"perl","fixed_in":["5.28.0-3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"perl","fixed_in":["5.28.0-3"],"sources":["osv"]},{"ecosystem":"Red Hat:hummingbird:1","package":"perl-Storable","fixed_in":["0:3.37-522.1.hum1"],"sources":["osv"]},{"ecosystem":"Red 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Tracking","report","article"]},{"url":"https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patch","tags":["patch","Patch","fix","article"]},{"url":"https://metacpan.org/release/RURBAN/Storable-3.05/changes","tags":["release-notes","Release Notes","advisory","article"]},{"url":"https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.html","tags":["mailing-list","Third Party Advisory","advisory","article"]},{"url":"https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.html","tags":["mailing-list","Third Party Advisory","advisory","article"]},{"url":"http://www.openwall.com/lists/oss-security/2026/04/21/5","tags":["Mailing List","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-20230","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6r7m-2wh8-438w"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-20230","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:7578","tags":["advisory"]},{"url":"https://images.redhat.com/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2017-20230","tags":["report"]},{"url":"https://access.redhat.com/security/updates/classification/","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7578.json","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2460147","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-20230","tags":["advisory","report"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20261567-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1262486","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2017-20230","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2017-20230","tags":["report"]},{"url":"https://lists.security.metacpan.org/cve-announce/msg/39144694/","tags":["report"]},{"url":"https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-20230","title":"Storable 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This allowed an attacker to craft data that could trigger the overflow.","status":"published","published":"2026-04-21T15:26:18.216Z","modified":"2026-04-21T18:22:25.354Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:33:11.928814Z"}],"euvd":[{"id":"EUVD-2017-18967","description":"Storable versions before 3.05 for Perl has a stack overflow.\n\nThe retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. 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