{"id":"UBUNTU-CVE-2026-48829","details":"In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known token with no accompanying = character. This occurs in lib/digest-md5/getsubopt.c.","modified":"2026-06-01T19:00:08.651797812Z","published":"2026-05-24T04:16:00Z","related":["USN-8356-1"],"upstream":["CVE-2026-48829"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-48829"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-48829"},{"type":"REPORT","url":"https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00002.html"},{"type":"REPORT","url":"https://lists.debian.org/debian-security-announce/2026/msg00182.html"},{"type":"REPORT","url":"https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00000.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8356-1"}],"affected":[{"package":{"name":"gsasl","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/gsasl?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.0-2ubuntu1","1.8.0-2ubuntu2","1.8.0-2ubuntu2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"gsasl","binary_version":"1.8.0-2ubuntu2+esm1"},{"binary_name":"libgsasl7","binary_version":"1.8.0-2ubuntu2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-48829.json"}},{"package":{"name":"gsasl","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/gsasl?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.0-8ubuntu1","1.8.0-8ubuntu2","1.8.0-8ubuntu2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"gsasl","binary_version":"1.8.0-8ubuntu2+esm1"},{"binary_name":"libgsasl7","binary_version":"1.8.0-8ubuntu2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-48829.json"}},{"package":{"name":"gsasl","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/gsasl?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.0-8ubuntu3","1.8.0-8ubuntu3+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"gsasl","binary_version":"1.8.0-8ubuntu3+esm2"},{"binary_name":"libgsasl7","binary_version":"1.8.0-8ubuntu3+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-48829.json"}},{"package":{"name":"gsasl","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/gsasl?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.0-8ubuntu3","1.8.1-1","1.8.1-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"gsasl","binary_version":"1.8.1-1ubuntu0.1~esm1"},{"binary_name":"libgsasl7","binary_version":"1.8.1-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-48829.json"}},{"package":{"name":"gsasl","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/gsasl?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10.0-4","1.10.0-5","1.10.0-5ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"gsasl","binary_version":"1.10.0-5ubuntu0.1~esm1"},{"binary_name":"gsasl-common","binary_version":"1.10.0-5ubuntu0.1~esm1"},{"binary_name":"libgsasl7","binary_version":"1.10.0-5ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-48829.json"}},{"package":{"name":"gsasl","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/gsasl?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1-1willsync1ubuntu0.1"}]}],"versions":["2.2.0-2ubuntu1","2.2.0-2ubuntu2","2.2.1-1ubuntu1","2.2.1-1willsync1","2.2.1-1willsync1build1","2.2.1-1willsync1build2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2.1-1willsync1ubuntu0.1","binary_name":"gsasl"},{"binary_name":"gsasl-common","binary_version":"2.2.1-1willsync1ubuntu0.1"},{"binary_version":"2.2.1-1willsync1ubuntu0.1","binary_name":"libgsasl18"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-48829.json"}},{"package":{"name":"gsasl","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/gsasl?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.2-2ubuntu1.1"}]}],"versions":["2.2.1-1willsync1ubuntu1","2.2.2-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"gsasl","binary_version":"2.2.2-2ubuntu1.1"},{"binary_version":"2.2.2-2ubuntu1.1","binary_name":"gsasl-common"},{"binary_name":"libgsasl18","binary_version":"2.2.2-2ubuntu1.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-48829.json"}},{"package":{"name":"gsasl","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/gsasl?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.2-4ubuntu1.1"}]}],"versions":["2.2.2-2ubuntu1","2.2.2-4ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.2.2-4ubuntu1.1","binary_name":"gsasl"},{"binary_name":"gsasl-common","binary_version":"2.2.2-4ubuntu1.1"},{"binary_version":"2.2.2-4ubuntu1.1","binary_name":"libgsasl18"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-48829.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}