Heap-buffer-overflow in php_openssl_matches_wildcard_name on crafted server cert wildcard CN

Mariner

Read the vendor bulletin Get alerts for azl3 php 8.3.33-1 on Azure Linux

6.5CVSS out of 10Medium severity

Scope

What the vendor says is affected

azl3 php 8.3.33-1 on Azure Linux 3.0

Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site

Timeline

When this advisory changed

Sep 27, 2026 at 11:23 PM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Sep 29, 2026 at 1:45 AM UTC
Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
Sep 29, 2026 at 11:40 AM UTC
Added to SecurityAlert
We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-91767View CVSS, KEV, EPSS, and threat context

Source

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Vendor: Microsoft Security Response Center
Advisory ID: CVE-2026-91767
Last source check: Sep 29, 2026 at 11:40 AM UTC

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Watch azl3 php 8.3.33-1 on Azure Linux

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What the vendor says is affected

What the vendor recommends

When this advisory changed

CVEs named in this advisory

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