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SUSE 15-SP3: 2021:2186-1 Important: Go1.16 Memory Exhaustion Fix

suse
Calendar Grey June 28, 2021
Scroller Suse
SUSE announces a critical security patch for go1.16 that resolves several vulnerabilities and issues. Update immediately!
An update that solves four vulnerabilities and has one errata is now available

Summary

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 SUSE 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:

Topics%20covered

Topics Covered

security advisory update important SUSE memory exhaustion panic issue go1.16

References

#1182345 #1186622 #1187443 #1187444 #1187445

Cross- 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:

SUSE Linux Enterprise Module for Development Tools 15-SP3

SUSE Linux Enterprise Module for Development Tools 15-SP2

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:2186-1
Rating: important

Topics%20covered

Topics Covered

security advisory update important SUSE memory exhaustion panic issue go1.16

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