{"id":"UBUNTU-CVE-2019-3561","details":"Insufficient boundary checks for the strrpos and strripos functions allow access to out-of-bounds memory. This affects all supported versions of HHVM (4.0.3, 3.30.4, and 3.27.7 and below).","modified":"2025-10-24T04:47:26Z","published":"2019-04-29T16:29:00Z","upstream":["CVE-2019-3561"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-3561"},{"type":"REPORT","url":"https://github.com/facebook/hhvm/commit/46003b4ab564b2abcd8470035fc324fe36aa8c75"},{"type":"REPORT","url":"https://hhvm.com/blog/2019/04/03/hhvm-4.0.4.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-3561"}],"affected":[{"package":{"name":"hhvm","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/hhvm@3.11.1+dfsg-1ubuntu1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.11.0+dfsg-1","3.11.1+dfsg-1","3.11.1+dfsg-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.11.1+dfsg-1ubuntu1","binary_name":"hhvm"},{"binary_version":"3.11.1+dfsg-1ubuntu1","binary_name":"hhvm-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3561.json"}},{"package":{"name":"hhvm","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/hhvm@3.21.0+dfsg-2ubuntu2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.21.0+dfsg-2","3.21.0+dfsg-2build1","3.21.0+dfsg-2build2","3.21.0+dfsg-2build3","3.21.0+dfsg-2ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.21.0+dfsg-2ubuntu2","binary_name":"hhvm"},{"binary_version":"3.21.0+dfsg-2ubuntu2","binary_name":"hhvm-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3561.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}