CRITICAL 9.8 Microsoft

CVE-2026-3381

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib

Microsoft Security Update 2026-Mar: Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib

Affected Products

cbl2 cloud-hypervisor 32.0-7 on CBL Mariner 2.0
cbl2 cloud-hypervisor-cvm 38.0.72.2-5 on CBL Mariner 2.0
cbl2 conda 4.11.0-1 on CBL Mariner 2.0
cbl2 erlang 25.3.2.21-4 on CBL Mariner 2.0
azl3 cloud-hypervisor 48.0.246-3 on Azure Linux 3.0
azl3 erlang 26.2.5.17-1 on Azure Linux 3.0
azl3 kata-containers 3.19.1.kata2-6 on Azure Linux 3.0
cbl2 rubygem-mini_portile2 2.8.0-1 on CBL Mariner 2.0

References

Published: 2026-03-10 · Source: Microsoft · Feed updated: 2026-09-25

This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-03-10 via Microsoft. Affected: cbl2 cloud-hypervisor 32.0-7 on CBL Mariner 2.0, cbl2 cloud-hypervisor-cvm 38.0.72.2-5 on CBL Mariner 2.0, cbl2 conda 4.11.0-1 on CBL Mariner 2.0 and 5 more.

Risk Timeline

CVE Disclosed2026-03-10 · 198 days ago

Remediation Resources

Official Advisory

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-3381

NVD / MITRE

nvd.nist.gov/vuln/detail/CVE-2026-3381

Related Vulnerabilities

CVE	Title	Severity	CVSS
CVE-2017-20230	Storable versions before 3.05 for Perl has a stack overflow	CRITICAL	10.0
CVE-2022-49043	xmlXIncludeAddNode in xinclude.c in libxml2 before 2.11.0 has a use-after-free.	CRITICAL	10.0
CVE-2026-27143	Missing bound checks can lead to memory corruption in safe Go in cmd/compile	CRITICAL	9.8
CVE-2026-31478	ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len()	CRITICAL	9.8
CVE-2025-6965	Integer Truncation on SQLite	CRITICAL	9.8
CVE-2025-38497	usb: gadget: configfs: Fix OOB read on empty string write	CRITICAL	9.8

vulnfeed aggregates 10851 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.