{"id":"USN-4743-1","summary":"gdk-pixbuf vulnerability","details":"It was discovered that the GDK-PixBuf library did not properly handle\ncertain GIF images. If an user or automated system were tricked into\nopening a specially crafted GIF file, a remote attacker could use this flaw\nto cause GDK-PixBuf to crash, resulting in a denial of service.\n","modified":"2026-04-22T10:11:52.939836Z","published":"2021-02-22T14:15:59Z","related":["UBUNTU-CVE-2021-20240"],"upstream":["CVE-2021-20240","UBUNTU-CVE-2021-20240"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4743-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-20240"}],"affected":[{"package":{"name":"gdk-pixbuf","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/gdk-pixbuf@2.40.0+dfsg-3ubuntu0.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.40.0+dfsg-3ubuntu0.2"}]}],"versions":["2.40.0+dfsg-1build1","2.40.0+dfsg-1ubuntu1","2.40.0+dfsg-2","2.40.0+dfsg-3","2.40.0+dfsg-3ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"gir1.2-gdkpixbuf-2.0","binary_version":"2.40.0+dfsg-3ubuntu0.2"},{"binary_name":"libgdk-pixbuf2.0-0","binary_version":"2.40.0+dfsg-3ubuntu0.2"},{"binary_version":"2.40.0+dfsg-3ubuntu0.2","binary_name":"libgdk-pixbuf2.0-bin"},{"binary_name":"libgdk-pixbuf2.0-common","binary_version":"2.40.0+dfsg-3ubuntu0.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4743-1.json","cves_map":{"cves":[{"id":"CVE-2021-20240","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.5"}