{"id":"UBUNTU-CVE-2026-105239","details":"(Improper Neutralization of Null Byte or NUL Character vulnerability in ...)","modified":"2026-10-08T12:53:38.793017422Z","published":"2026-10-07T00:00:00Z","upstream":["CVE-2026-105239"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-105239"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-105239"},{"type":"REPORT","url":"https://github.com/apache/logging-log4net/pull/315"},{"type":"REPORT","url":"https://lists.apache.org/thread/9fx1qo5hc0tg8ym0t6p9gt1zpb2qlxpq"}],"affected":[{"package":{"name":"log4net","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/log4net?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.10+dfsg-6","1.2.10+dfsg-7","1.2.10+dfsg-7ubuntu0.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.10+dfsg-7ubuntu0.16.04.1","binary_name":"liblog4net1.2-cil"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105239.json"}},{"package":{"name":"log4net","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/log4net?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.10+dfsg-7","1.2.10+dfsg-7ubuntu0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.10+dfsg-7ubuntu0.18.04.1","binary_name":"liblog4net1.2-cil"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105239.json"}},{"package":{"name":"log4net","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/log4net?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.10+dfsg-7","1.2.10+dfsg-7ubuntu0.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"liblog4net1.2-cil","binary_version":"1.2.10+dfsg-7ubuntu0.20.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105239.json"}},{"package":{"name":"log4net","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/log4net?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.10+dfsg-8"],"ecosystem_specific":{"binaries":[{"binary_name":"liblog4net1.2-cil","binary_version":"1.2.10+dfsg-8"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105239.json"}},{"package":{"name":"log4net","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/log4net?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.10+dfsg-8","1.2.10+dfsg-9"],"ecosystem_specific":{"binaries":[{"binary_name":"liblog4net1.2-cil","binary_version":"1.2.10+dfsg-9"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105239.json"}},{"package":{"name":"log4net","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/log4net?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.10+dfsg-9","1.2.10+dfsg-9build1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.10+dfsg-9build1","binary_name":"liblog4net1.2-cil"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105239.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}