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SUSE Linux Micro 6.2 openssl-3 Important Heap Buffer Overflow 2026-22251-1

suse
Calendar Grey June 29, 2026
Dist Suse Esm H88
15 vulnerabilities addressed with an important security patch for openssl-3 on SUSE, including buffer and memory issues.
An update that solves 15 vulnerabilities can now be installed.

Summary

## This update for openssl-3 fixes the following issues * CVE-2026-2673: TLS 1.3 servers may choose unexpected key agreement group (bsc#1259652). * CVE-2026-7383: Possible Heap Buffer Overflow in ASN.1 Multibyte String Conversion (bsc#1266340). * CVE-2026-9076: Out-of-Bounds Read in CMS Password-Based Decryption (bsc#1266341). * CVE-2026-34180: Heap Buffer Over-read in ASN.1 Content Parsing (bsc#1266342). * CVE-2026-34182: CMS AuthEnvelopedData Processing May Accept Forged Messages (bsc#1266344). * CVE-2026-34183: Unbounded Memory Growth in the QUIC PATH_CHALLENGE Handler (bsc#1266345). * CVE-2026-42764: NULL pointer dereference in QUIC server initial packet handling (bsc#1266347). * CVE-2026-42766: Possible NULL Dereference in Password-Based CMS Decryption (bsc#1266349).

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important heap overflow openssl-3

References

* bsc#1259652

* bsc#1266340

* bsc#1266341

* bsc#1266342

* bsc#1266344

* bsc#1266345

* bsc#1266347

* bsc#1266349

* bsc#1266350

* bsc#1266351

* bsc#1266352

* bsc#1266353

* bsc#1266355

* bsc#1266356

* bsc#1266357

Cross-

* CVE-2026-2673

* CVE-2026-34180

* CVE-2026-34182

* CVE-2026-34183

* CVE-2026-42764

* CVE-2026-42766

* CVE-2026-42767

* CVE-2026-42768

* CVE-2026-42769

* CVE-2026-42770

* CVE-2026-45445

* CVE-2026-45446

* CVE-2026-45447

* CVE-2026-7383

* CVE-2026-9076

CVSS scores:

* CVE-2026-2673 ( SUSE ): 6.3

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

* CVE-2026-2673 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

* CVE-2026-2673 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

* CVE-2026-34180 ( SUSE ): 6.3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22251-1
Release Date: 2026-06-22T12:31:02Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important heap overflow openssl-3

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