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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
16,745Advisories collected
6,299Published or updated in 30 days
6,969Marked critical or high
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The original vendor bulletin remains the authority. SecurityAlert gives you one place to find it and compare the details vendors publish in different formats.

16,745 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-2026-28388
MediumCVSS 5.9

NULL Pointer Dereference When Processing a Delta CRL

Mariner

Affected productsazl3 openssl 3.3.5-4 on Azure Linux 3.0, cbl2 edk2 20230301gitf80f052277c8-47 on CBL-Mariner 2.0, cbl2 hvloader 1.0.1-18 on CBL-Mariner 2.0, cbl2 edk2 20230301gitf80f052277c8-47 on CBL Mariner 2.0
Fixed versions3.3.5-5, 1.1.1k-40
Vendor guidance

CBL-Mariner Releases Release Notes

CVE-2026-28388
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-28389
MediumCVSS 7.5

Possible NULL Dereference When Processing CMS KeyAgreeRecipientInfo

Mariner

Affected productsazl3 openssl 3.3.5-4 on Azure Linux 3.0, azl3 cloud-hypervisor 48.0.246-4 on Azure Linux 3.0, azl3 edk2 20240524git3e722403cd16-15 on Azure Linux 3.0, azl3 nodejs24 24.13.0-3 on Azure Linux 3.0
Fixed versions3.3.5-5, 20240524git3e722403cd16-16, 1.1.1k-40
Vendor guidance

CBL-Mariner Releases Release Notes

CVE-2026-28389
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2025-38584
HighCVSS 7.8

padata: Fix pd UAF once and for all

Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability? One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the mos...

Affected productsazl3 kernel 6.6.96.2-1 on Azure Linux 3.0, azl3 kernel 6.6.96.2-2 on Azure Linux 3.0, azl3 kernel 6.6.112.1-2 on Azure Linux 3.0, cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
Vendor guidance

Release Notes

CVE-2025-38584
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2025-22121
HighCVSS 7.1

ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all()

Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability? One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the mos...

Affected productsazl3 kernel 6.6.104.2-4 on Azure Linux 3.0, azl3 kernel 6.6.112.1-2 on Azure Linux 3.0, azl3 kernel 6.6.117.1-1 on Azure Linux 3.0, azl3 kernel 6.6.119.3-1 on Azure Linux 3.0
Fixed versions6.6.121.1-1
Vendor guidance

CBL-Mariner Releases Release Notes

CVE-2025-22121
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.

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