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 boost 1.76.0-4 on CBL Mariner 2.0
- cbl2 ceph 16.2.10-11 on CBL Mariner 2.0
- 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 cmake 3.21.4-21 on CBL Mariner 2.0
- azl3 binutils 2.41-10 on Azure Linux 3.0
- cbl2 conda 4.11.0-1 on CBL Mariner 2.0
- azl3 boost 1.83.0-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-3381
- https://nvd.nist.gov/vuln/detail/CVE-2026-3381
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-03-10 via Microsoft. Affected: cbl2 boost 1.76.0-4 on CBL Mariner 2.0, cbl2 ceph 16.2.10-11 on CBL Mariner 2.0, cbl2 cloud-hypervisor 32.0-7 on CBL Mariner 2.0 and 5 more.
Risk Timeline
CVE Disclosed2026-03-10 · 152 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-3381NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2026-3381Related Vulnerabilities
| CVE | Title | Severity | CVSS |
|---|---|---|---|
| CVE-2025-49844 PoC | Redis Lua Use-After-Free may lead to remote code execution | CRITICAL | 9.9 |
| CVE-2024-36048 | QAbstractOAuth in Qt Network Authorization in Qt before 5.15.17, 6.x before 6.2. | CRITICAL | 9.8 |
| CVE-2026-33937 | Handlebars.js has JavaScript Injection via AST Type Confusion | CRITICAL | 9.8 |
| CVE-2026-4176 | Perl versions from 5.9.4 before 5.40.4-RC1, from 5.41.0 before 5.42.2-RC1, from | CRITICAL | 9.8 |
| CVE-2025-68615 | Net-SNMP snmptrapd crash | CRITICAL | 9.8 |
| CVE-2025-0665 | eventfd double close | CRITICAL | 9.8 |
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