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Day[0]

dayzerosec

A weekly podcast for bounty hunters, exploit developers or anyone interesting in the details of the latest disclosed vulnerabilities and exploits.

Episodes

20 of 283 episodes

The Future

After 283 episodes, this will be the final episode of the DAY[0] podcast. We started the podcast on a hopeful note in the days following Ghi...

01:20:07Apr 10, 2026

Exploiting VS Code with Control Characters

A quick episode this week, which includes attacking VS Code with ASCII control characters, as well as a referrer leak and SCIM hunting. Link...

00:30:08May 12, 2025

Mitigating Browser Hacking - Interview with John Carse (SquareX Field CISO)

A special episode this week, featuring an interview with John Carse, Chief Information Security Officer (CISO) of SquareX. John speaks about...

01:46:57Apr 22, 2025

Pulling Gemini Secrets and Windows HVPT

A long episode this week, featuring an attack that can leak secrets from Gemini's Python sandbox, banks abusing private iOS APIs, and Window...

01:33:22Apr 16, 2025

Session-ception and User Namespaces Strike Again

API hacking and bypassing Ubuntu's user namespace restrictions feature in this week's episode, as well as a bug in CimFS for Windows and rev...

00:49:36Apr 1, 2025

Extracting YouTube Creator Emails and Spilling Azure Secrets

This episode features some game exploitation in Neverwinter Nights, weaknesses in mobile implementation for PassKeys, and a bug that allows...

00:44:04Mar 24, 2025

ESP32 Backdoor Drama and SAML Auth Bypasses

Discussion this week starts with the ESP32 "backdoor" drama that circled the media, with some XML-based vulnerabilities in the mix. Finally,...

01:14:08Mar 17, 2025

Exploiting Xbox 360 Hypervisor and Microcode Hacking

A very technical episode this week, featuring some posts on hacking the xbox 360 hypervisor as well as AMD microcode hacking. Links and vuln...

01:19:05Mar 12, 2025

Path Confusion and Mixing Public/Private Keys

This week's episode features a variety of vulnerabilities, including a warning on mixing up public and private keys in OpenID Connect deploy...

00:59:34Mar 3, 2025

ZDI's Triaging Troubles and LibreOffice Exploits

We discuss an 0day that was dropped on Parallels after 7 months of no fix from the vendor, as well as ZDI's troubles with responses to resea...

00:57:02Feb 25, 2025

Recycling Exploits in MacOS and Pirating Audiobooks

We cover a comical saga of vulnerabilities and variants from incomplete fixes in macOS, as well as a bypass of Chrome's miraclePtr mitigatio...

01:17:06Feb 18, 2025

Top 10 Web Hacking Techniques and Windows Shadow Stacks

In this episode, we discuss the US government discloses how many 0ds were reported to vendors in a first-ever report. We also cover PortSwig...

01:12:42Feb 12, 2025

Unicode Troubles, Bypassing CFG, and Racey Pointer Updates

On the web side, we cover a portswigger post on ways of abusing unicode mishandling to bypass firewalls and a doyensec guide to OAuth vulner...

00:41:29Feb 4, 2025

Deanonymization with CloudFlare and Subaru's Security Woes

Zero Day Initiative posts their trends and observations from their threat hunting highlights of 2024, macOS has a sysctl bug, and a techniqu...

01:07:35Jan 27, 2025

Excavating Exploits and PHP Footguns

This week features a mix of topics, from polyglot PDF/JSON to android kernel vulnerabilities. Project Zero also publishes a post about excav...

01:12:18Jan 20, 2025

WhatsApp vs. NSO and CCC Talks

Specter and zi discuss their winter break, cover some interesting CCC talks, and discuss the summary judgement in the WhatsApp vs. NSO Group...

01:22:50Jan 14, 2025

Buggy Operating Systems Are Coming to Town

In our last episode of 2024, we delve into some operating system bugs in both Windows and Linux, as well as some bugs that are not bugs but...

00:47:01Dec 16, 2024

Machine Learning Attacks and Tricky Null Bytes

This week's episode contains some LLM hacking and attacks on classifiers, as well as the renewal of DMA attacks with SD Express and the ever...

00:45:07Dec 9, 2024

A Windows Keyhole and Buggy OAuth

A short episode this week, featuring Keyhole which abuses a logic bug in Windows Store DRM, an OAuth flow issue, and a CSRF protection bypas...

00:27:13Dec 2, 2024

Linux Is Still a Mess and Vaultwarden Auth Issues

Linux userspace is still a mess and has some bad bugs in root utilities, and Vaultwarden has an interesting auth bypass attack. Links and vu...

00:52:18Nov 26, 2024