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Bitcoin

2 CVEs published in the last four months and 4 stories. Exploited flaws first.

Critical0
High1
Medium1
Exploited (KEV)0

All recent CVEs

CVECVSSSeverityProductSummaryPublished
CVE-2025-465977.5highbitcoin coreBitcoin Core 0.13.0 through 29.x has an integer overflow.169d ago
CVE-2025-465985.3mediumbitcoin coreBitcoin Core through 29.0 allows a denial of service via a crafted transaction.169d ago

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Our coverage of Bitcoin

vulnerability

COLDCARD Seed Generation Flaw Linked to Nearly $89 Million Bitcoin Theft

Galaxy Research linked a suspected Bitcoin theft of 1,367.05 BTC to weak COLDCARD seeds. Coinkite says updates cannot repair seeds already generated on devices.

security

Why Bitcoin Businesses Are Moving to Dedicated VPS Infrastructure

A Bitcoin business rarely runs a simple website. Payment processors, exchanges, wallet services, blockchain analytics products and Lightning…

vulnerability

COLDCARD wallet RNG flaw likely linked to $88 million Bitcoin theft

A vulnerability in COLDCARD hardware wallet firmware allowed attackers to steal an estimated $88.6 million in Bitcoin from thousands of wallets whose seeds were generated using a flawed random number generator. [...]

vulnerability

Coldcard Hardware Wallet Flaw Linked to $70 Million Bitcoin Theft in 41 Minutes

An attacker drained 1,196 Bitcoin addresses in 41 minutes on July 30, taking 1,082.65 BTC worth about $70.2 million at the time. Galaxy Research mapped the sweep and tied it to a firmware flaw in Coldcard, the Bitcoin-only hardware wallet made by Canadian firm Coinkite. A March 2021 firmware integration error routed seed generation to a deterministic software pseudorandom number generator (PRNG