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Threat Advisories

Posts about:

Breaches, Alerts & Advisories (5)

threat advisory

Critical Vulnerability in SharePoint - CVE-2025-53770: Guidance & Mitigation

Over the weekend, Integrity360 has been asked by multiple customers about a recent critical vulnerability (CVE-2025-53770) targeting on-premise instances of Microsoft Sharepoint using a deserialisation flaw. This zero-day has been reportedly widely exploited since mid-July, posing serious risk to any unpatched on-premise Sharepoint environment (Subscription, Server 2016 and Server 2019). Integrity360 wants to reassure customers that the vulnerability does not affect any cloud instances of SharePoint Online of which the majority of organisations are using. On-premise Sharepoint is likely to be converted to (or in the process of) Microsoft 365 across lots of organisations due to the extended end date of Microsoft support running out in the near future.

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CitrixBleed 2 Proof of Concept Released

Researchers at Watchtowr have released technical details on an exploit for the “CitrixBleed 2” (CVE-2025-5777) vulnerability released on 2025-06-17, leading to the development of a Proof of Concept (PoC) exploit.

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Threat Advisory: CVE-2025-5063 and CVE-2025-5280

Summary 

Both high severity vulnerabilities reside in Google Chrome and are exploitable via a specially crafted HTML page. CVE-2025-5063 is a “Use after free” vulnerability that resides in the compositing subsystem of the browser whereby improper memory management when the browser renders layered page elements leads to a potential hijack of control flows during DOM manipulations. CVE-2025-5280 is an “out of bounds” exploit in the JavaScript V8 engine that could potentially allow arbitrary code to execute outside of the JavaScript sandbox, meaning it’s run natively on the target system. 

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threat advisory

Threat Advisory: Critical 10.0 vulnerability in Erlang OTP SSH Implementation

A critical vulnerability in Erlang's Open Telecom Platform (OTP) SSH implementation has recently been published. OTP is a collection of middleware, libraries and tools written in the Erlang programming language and is used by a large number of global companies for communications. According to https://erlang-companies.org, companies that may be affected include Ericsson, T-Mobile, BT and Bet365 (that reportedly use it in it's live betting infrastructure) and major products that may be affected include WhatsApp, Klarna and Discord. 

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