{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for lz4","title":"Title of the patch"},{"category":"description","text":"This update for lz4 fixes the following issues:\n\n- CVE-2021-3520: Fixed memory corruption due to an integer overflow bug caused by memmove argument (bsc#1185438).\n\nThis update was imported from the SUSE:SLE-15:Update update project.","title":"Description of the patch"},{"category":"details","text":"openSUSE-2021-760","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2021_0760-1.json"},{"category":"self","summary":"URL for openSUSE-SU-2021:0760-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/Y6JSYGHG2J4E7C5MDUDUDEILIMZKTM7H/"},{"category":"self","summary":"E-Mail link for openSUSE-SU-2021:0760-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/Y6JSYGHG2J4E7C5MDUDUDEILIMZKTM7H/"},{"category":"self","summary":"SUSE Bug 1185438","url":"https://bugzilla.suse.com/1185438"},{"category":"self","summary":"SUSE CVE CVE-2021-3520 page","url":"https://www.suse.com/security/cve/CVE-2021-3520/"}],"title":"Security update for 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An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well.","title":"CVE description"}],"product_status":{"recommended":["openSUSE Leap 15.2:liblz4-1-1.8.0-lp152.5.3.1.i586","openSUSE Leap 15.2:liblz4-1-1.8.0-lp152.5.3.1.x86_64","openSUSE Leap 15.2:liblz4-1-32bit-1.8.0-lp152.5.3.1.x86_64","openSUSE Leap 15.2:liblz4-devel-1.8.0-lp152.5.3.1.i586","openSUSE Leap 15.2:liblz4-devel-1.8.0-lp152.5.3.1.x86_64","openSUSE Leap 15.2:lz4-1.8.0-lp152.5.3.1.i586","openSUSE Leap 15.2:lz4-1.8.0-lp152.5.3.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2021-3520","url":"https://www.suse.com/security/cve/CVE-2021-3520"},{"category":"external","summary":"SUSE Bug 1185438 for CVE-2021-3520","url":"https://bugzilla.suse.com/1185438"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["openSUSE Leap 15.2:liblz4-1-1.8.0-lp152.5.3.1.i586","openSUSE Leap 15.2:liblz4-1-1.8.0-lp152.5.3.1.x86_64","openSUSE Leap 15.2:liblz4-1-32bit-1.8.0-lp152.5.3.1.x86_64","openSUSE Leap 15.2:liblz4-devel-1.8.0-lp152.5.3.1.i586","openSUSE Leap 15.2:liblz4-devel-1.8.0-lp152.5.3.1.x86_64","openSUSE Leap 15.2:lz4-1.8.0-lp152.5.3.1.i586","openSUSE Leap 15.2:lz4-1.8.0-lp152.5.3.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":8.6,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","version":"3.1"},"products":["openSUSE Leap 15.2:liblz4-1-1.8.0-lp152.5.3.1.i586","openSUSE Leap 15.2:liblz4-1-1.8.0-lp152.5.3.1.x86_64","openSUSE Leap 15.2:liblz4-1-32bit-1.8.0-lp152.5.3.1.x86_64","openSUSE Leap 15.2:liblz4-devel-1.8.0-lp152.5.3.1.i586","openSUSE Leap 15.2:liblz4-devel-1.8.0-lp152.5.3.1.x86_64","openSUSE Leap 15.2:lz4-1.8.0-lp152.5.3.1.i586","openSUSE Leap 15.2:lz4-1.8.0-lp152.5.3.1.x86_64"]}],"threats":[{"category":"impact","date":"2021-05-22T05:03:39Z","details":"important"}],"title":"CVE-2021-3520"}]}