{"id":"RLSA-2021:4231","summary":"Moderate: libwebp security update","details":"The libwebp packages provide a library and tools for the WebP graphics format. WebP is an image format with a lossy compression of digital photographic images. WebP consists of a codec based on the VP8 format, and a container based on the Resource Interchange File Format (RIFF). Webmasters, web developers and browser developers can use WebP to compress, archive, and distribute digital images more efficiently.\n\nSecurity Fix(es):\n\n* libwebp: out-of-bounds read in WebPMuxCreateInternal (CVE-2018-25009)\n\n* libwebp: out-of-bounds read in ApplyFilter() (CVE-2018-25010)\n\n* libwebp: out-of-bounds read in WebPMuxCreateInternal() (CVE-2018-25012)\n\n* libwebp: out-of-bounds read in ShiftBytes() (CVE-2018-25013)\n\n* libwebp: use of uninitialized value in ReadSymbol() (CVE-2018-25014)\n\n* libwebp: out-of-bounds read in ChunkVerifyAndAssign() in mux/muxread.c (CVE-2020-36330)\n\n* libwebp: out-of-bounds read in ChunkAssignData() in mux/muxinternal.c (CVE-2020-36331)\n\n* libwebp: excessive memory allocation when reading a file (CVE-2020-36332)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.","modified":"2026-02-05T04:15:13.860031Z","published":"2021-11-09T08:47:24Z","upstream":["CVE-2018-25009","CVE-2018-25010","CVE-2018-25012","CVE-2018-25013","CVE-2018-25014","CVE-2020-36330","CVE-2020-36331","CVE-2020-36332"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:4231"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1956853"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1956856"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1956868"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1956917"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1956918"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1956922"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1956926"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1956927"}],"affected":[{"package":{"name":"libwebp","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/libwebp?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.0.0-5.el8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:4231.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}