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Vendor advisories

Security advisories from the vendors you use.

Search new and updated bulletins from Microsoft, Citrix, Cisco, Palo Alto Networks, Fortinet, Ivanti, Delinea, Ubuntu, and AWS. We keep each vendor's advisory ID, affected products, CVEs, severity, dates, and available fix guidance together.

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11Vendor sources
16,655Advisories collected
5,924Published or updated in 30 days
6,934Marked critical or high
Coverage

Connected directly to official vendor sources

The original vendor bulletin remains the authority. SecurityAlert gives you one place to find it and compare the details vendors publish in different formats.

16,655 advisories

Each date says whether the vendor published or updated the bulletin. A vendor bulletin describes products that may be affected. It does not prove that the vulnerable product or version is installed in your environment.

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Microsoft Security Response CenterCVE-2026-56862
MediumCVSS 7.5

Limit handshake messages we are willing to accept post-handshake in crypto/tls

Mariner

Affected productsazl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0, azl3 tensorflow 2.16.1-11 on Azure Linux 3.0, azl3 gcc 13.2.0-7 on Azure Linux 3.0, azl3 golang 1.25.12-1 on Azure Linux 3.0
Vendor guidance

See the Microsoft Security Update Guide for the update that applies to your product.

CVE-2026-56862
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-56859
MediumCVSS 7.5

Add recursion depth guard during decode in encoding/xml

Mariner

Affected productsazl3 gcc 13.2.0-7 on Azure Linux 3.0, azl3 golang 1.25.12-1 on Azure Linux 3.0, azl3 golang 1.26.5-2 on Azure Linux 3.0, azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0
Vendor guidance

See the Microsoft Security Update Guide for the update that applies to your product.

CVE-2026-56859
Read the vendor advisory Watch this product
Before you act

Start with the vendor's bulletin.

We normalize the fields that vendors publish so you can search and compare advisories in one place. We do not replace the original bulletin or turn a product-name match into proof that a system is vulnerable.

Confirm the installed product and version, read the linked vendor guidance, and test the recommended update or mitigation through your normal change process.

How we check our sources