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SUSE Linux 15 SP4 Important Erlang Update Denial of Service 2026-1714-1

suse
Calendar Grey May 6, 2026
Dist Suse Esm H88
Five important vulnerabilities addressed in Erlang update for SUSE to enhance system security and stability.
An update that solves five vulnerabilities can now be installed.

Summary

## This update for erlang fixes the following issues: * CVE-2026-21620: remote arbitrary read/write via TFTP relative path traversal (bsc#1258663). * CVE-2026-23941: HTTP Request Smuggling in Erlang OTP (bsc#1259687). * CVE-2026-23942: path traversal vulnerability in Erlang OTP (bsc#1259681). * CVE-2026-23943: denial of service due to improper handling of highly compressed data in Erlang OTP ssh (bsc#1259682). * CVE-2026-28808: incorrect authorization can lead to unauthenticated access to protected CGI scripts (bsc#1261728). ## Patch Instructions: To install this SUSE 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 SUSE-2026-1714=1

Topics%20covered

Topics Covered

security advisory denial of service SuSE important path traversal erlang

References

* bsc#1258663

* bsc#1259681

* bsc#1259682

* bsc#1259687

* bsc#1261728

Cross-

* CVE-2026-21620

* CVE-2026-23941

* CVE-2026-23942

* CVE-2026-23943

* CVE-2026-28808

CVSS scores:

* CVE-2026-21620 ( SUSE ): 7.6

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

* CVE-2026-21620 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

* CVE-2026-21620 ( NVD ): 2.3

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-23941 ( SUSE ): 6.3

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

* CVE-2026-23941 ( SUSE ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

* CVE-2026-23941 ( NVD ): 7.0

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1714-1
Release Date: 2026-05-06T12:08:16Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service SuSE important path traversal erlang

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