{"id":"UBUNTU-CVE-2025-4638","details":"A vulnerability exists in the inftrees.c component of the zlib library, which is bundled within the PointCloudLibrary (PCL). This issue may allow context-dependent attackers to cause undefined behavior by exploiting improper pointer arithmetic. Since version 1.14.0, PCL by default uses a zlib installation from the system, unless the user sets WITH_SYSTEM_ZLIB=FALSE. So this potential vulnerability is only relevant if the PCL version is older than 1.14.0 or the user specifically requests to not use the system zlib.","modified":"2026-05-20T16:23:32.455534264Z","published":"2025-05-14T18:15:00Z","upstream":["CVE-2025-4638"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-4638"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-4638"},{"type":"REPORT","url":"https://github.com/PointCloudLibrary/pcl/blob/master/surface/CMakeLists.txt#L70"},{"type":"REPORT","url":"https://github.com/PointCloudLibrary/pcl/commit/502bd2b013ce635f21632d523aa8cf2e04f7b7ac"},{"type":"REPORT","url":"https://github.com/PointCloudLibrary/pcl/pull/6245"}],"affected":[{"package":{"name":"pcl","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/pcl?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.2-10build1","1.7.2-13","1.7.2-14build1","1.7.2-14build1.1","1.7.2-14ubuntu0.1","1.7.2-14ubuntu0.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libpcl-apps1.7","binary_version":"1.7.2-14ubuntu0.1+esm1"},{"binary_name":"libpcl-common1.7","binary_version":"1.7.2-14ubuntu0.1+esm1"},{"binary_name":"libpcl-features1.7","binary_version":"1.7.2-14ubuntu0.1+esm1"},{"binary_name":"libpcl-filters1.7","binary_version":"1.7.2-14ubuntu0.1+esm1"},{"binary_name":"libpcl-io1.7","binary_version":"1.7.2-14ubuntu0.1+esm1"},{"binary_version":"1.7.2-14ubuntu0.1+esm1","binary_name":"libpcl-kdtree1.7"},{"binary_version":"1.7.2-14ubuntu0.1+esm1","binary_name":"libpcl-keypoints1.7"},{"binary_name":"libpcl-octree1.7","binary_version":"1.7.2-14ubuntu0.1+esm1"},{"binary_version":"1.7.2-14ubuntu0.1+esm1","binary_name":"libpcl-outofcore1.7"},{"binary_name":"libpcl-people1.7","binary_version":"1.7.2-14ubuntu0.1+esm1"},{"binary_name":"libpcl-recognition1.7","binary_version":"1.7.2-14ubuntu0.1+esm1"},{"binary_version":"1.7.2-14ubuntu0.1+esm1","binary_name":"libpcl-registration1.7"},{"binary_name":"libpcl-sample-consensus1.7","binary_version":"1.7.2-14ubuntu0.1+esm1"},{"binary_name":"libpcl-search1.7","binary_version":"1.7.2-14ubuntu0.1+esm1"},{"binary_version":"1.7.2-14ubuntu0.1+esm1","binary_name":"libpcl-segmentation1.7"},{"binary_version":"1.7.2-14ubuntu0.1+esm1","binary_name":"libpcl-surface1.7"},{"binary_name":"libpcl-tracking1.7","binary_version":"1.7.2-14ubuntu0.1+esm1"},{"binary_version":"1.7.2-14ubuntu0.1+esm1","binary_name":"libpcl-visualization1.7"},{"binary_name":"libpcl1.7","binary_version":"1.7.2-14ubuntu0.1+esm1"},{"binary_name":"pcl-tools","binary_version":"1.7.2-14ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-4638.json"}},{"package":{"name":"pcl","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/pcl?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.1+dfsg1-2ubuntu1","1.8.1+dfsg1-2ubuntu2","1.8.1+dfsg1-2ubuntu2.18.04.1","1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1","binary_name":"libpcl-apps1.8"},{"binary_name":"libpcl-common1.8","binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"},{"binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1","binary_name":"libpcl-features1.8"},{"binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1","binary_name":"libpcl-filters1.8"},{"binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1","binary_name":"libpcl-io1.8"},{"binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1","binary_name":"libpcl-kdtree1.8"},{"binary_name":"libpcl-keypoints1.8","binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"},{"binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1","binary_name":"libpcl-ml1.8"},{"binary_name":"libpcl-octree1.8","binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"},{"binary_name":"libpcl-outofcore1.8","binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"},{"binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1","binary_name":"libpcl-people1.8"},{"binary_name":"libpcl-recognition1.8","binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"},{"binary_name":"libpcl-registration1.8","binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"},{"binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1","binary_name":"libpcl-sample-consensus1.8"},{"binary_name":"libpcl-search1.8","binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"},{"binary_name":"libpcl-segmentation1.8","binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"},{"binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1","binary_name":"libpcl-stereo1.8"},{"binary_name":"libpcl-surface1.8","binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"},{"binary_name":"libpcl-tracking1.8","binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"},{"binary_name":"libpcl-visualization1.8","binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"},{"binary_name":"pcl-tools","binary_version":"1.8.1+dfsg1-2ubuntu2.18.04.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-4638.json"}},{"packag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