openSUSE Security Update: Security update for go1.16 ______________________________________________________________________________ Announcement ID: openSUSE-SU-2021:2186-1 Rating: important References: #1182345 #1186622 #1187443 #1187444 #1187445 Cross-References: CVE-2021-33195 CVE-2021-33196 CVE-2021-33197 CVE-2021-33198 CVSS scores: CVE-2021-33195 (SUSE): 6.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N CVE-2021-33196 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2021-33197 (SUSE): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N CVE-2021-33198 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affected Products: openSUSE Leap 15.3 ______________________________________________________________________________ An update that solves four vulnerabilities and has one errata is now available. Description: This update for go1.16 fixes the following issues: Update to 1.16.5. Includes these security fixes - CVE-2021-33195: net: Lookup functions may return invalid host names (bsc#1187443). - CVE-2021-33196: archive/zip: malformed archive may cause panic or memory exhaustion (bsc#1186622). - CVE-2021-33197: net/http/httputil: ReverseProxy forwards Connection headers if first one is empty (bsc#1187444) - CVE-2021-33198: math/big: (*Rat).SetString with "1.770p02041010010011001001" crashes with "makeslice: len out of range" (bsc#1187445). Patch Instructions: To install this openSUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - openSUSE Leap 15.3: zypper in -t patch openSUSE-SLE-15.3-2021-2186=1 Package List: - openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64): go1.16-1.16.5-1.17.1 go1.16-doc-1.16.5-1.17.1 - openSUSE Leap 15.3 (aarch64 x86_64): go1.16-race-1.16.5-1.17.1 References: https://www.suse.com/security/cve/CVE-2021-33195.html https://www.suse.com/security/cve/CVE-2021-33196.html https://www.suse.com/security/cve/CVE-2021-33197.html https://www.suse.com/security/cve/CVE-2021-33198.html https://bugzilla.suse.com/1182345 https://bugzilla.suse.com/1186622 https://bugzilla.suse.com/1187443 https://bugzilla.suse.com/1187444 https://bugzilla.suse.com/1187445