Category: Advisories

1 June 2026
Cloudflare WAF rule merges for CVE-2025-53693

Cloudflare is folding a new Sitecore cache poisoning detection into an older Java deserialisation rule, and that is exactly the sort of tidy merge that makes tracking awkward. With Cloudflare WAF rule merges, the label changes fast, but the block behaviour may not, which is the bit I trust.

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31 May 2026
CVE-2026-42945: rewrite directive failure mode

nginx rewrite module bugs are the sort I distrust most, because they sit in config that looks harmless until a crafted URI tips it over. I dug through this one and found the usual pattern, stale state, bad length maths, and a heap write that does exactly what you fear.

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21 May 2026
Rebuild WinRE trust after CVE-2026-33825 changes

BitLocker zero-day mitigations are easy to half-apply and then forget, which is exactly how trouble lingers. I had to rebuild WinRE trust after CVE-2026-33825 changes, because removing autofstx.exe is not the same as fixing the recovery path that still wants to hand over the keys.

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20 May 2026
Arch Linux PinTheft patch validation steps

PinTheft Arch Linux root escalation is only interesting if the kernel still exposes RDS, so I start there, not with exploit code. If the patched build really closes the hole, it should fail cleanly, leave no odd module state, and keep the host boring, which is exactly what I want.

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10 May 2026
Dirty Frag: page-cache corruption in Linux

Dirty Frag is the sort of bug I mistrust on sight, because the damage lands in page-cache corruption before disk ever notices. If you rely on Linux to keep shared buffers honest, this one is worth a very close look.

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26 April 2026
Security Advisory – 24 Apr 2026

Daily security advisory summary for 24 Apr 2026

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25 April 2026
Security Advisory – 24 Apr 2026

Daily security advisory summary for 24 Apr 2026

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24 April 2026
Security Advisory – 23 Apr 2026

Daily security advisory summary for 23 Apr 2026

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23 April 2026
Security Advisory – 21 Apr 2026

Daily security advisory summary for 21 Apr 2026

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22 April 2026
Security Advisory – 20 Apr 2026

Daily security advisory summary for 20 Apr 2026

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21 April 2026
Security Advisory – 19 Apr 2026

Daily security advisory summary for 19 Apr 2026

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20 April 2026
Security Advisory – 18 Apr 2026

Daily security advisory summary for 18 Apr 2026

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18 April 2026
Security Advisory – 18 Apr 2026

Daily security advisory summary for 18 Apr 2026

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17 April 2026
Security Advisory – 17 Apr 2026

Daily security advisory summary for 17 Apr 2026

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16 April 2026
Security Advisory – 16 Apr 2026

Daily security advisory summary for 16 Apr 2026

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15 April 2026
Security Advisory – 15 Apr 2026

Daily security advisory summary for 15 Apr 2026

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14 April 2026
Security Advisory – 14 Apr 2026

Daily security advisory summary for 14 Apr 2026

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28 March 2026
Azure credits documentation fails to flag marketplace

I deployed Claude via Azure AI Foundry assuming startup credits would cover it. The $1,600 invoice arrived mid-cycle, charged directly to my card. Microsoft's documentation never mentions that third-party marketplace models bypass credits entirely.

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3 March 2026
Security Advisory – 03 Mar 2026

Daily security advisory summary for 03 Mar 2026

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28 February 2026
Security Advisory – 28 Feb 2026

Daily security advisory summary for 28 Feb 2026

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27 February 2026
Security Advisory – 27 Feb 2026

Daily security advisory summary for 27 Feb 2026

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24 February 2026
Security Advisory – 24 Feb 2026

Daily security advisory summary for 24 Feb 2026, selected for UK homelab and sysadmin readers.

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24 February 2026
Security Advisory – 24 Feb 2026

Daily security advisory summary for 24 Feb 2026

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21 February 2026
Security Advisory – 21 Feb 2026

Daily security advisory summary for 21 Feb 2026, selected for UK homelab and sysadmin readers.

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17 February 2026
Security Advisory – 17 Feb 2026

Daily security advisory summary for 17 Feb 2026, selected for UK homelab and sysadmin readers.

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