CVE-2026-33128

A flaw was found in H3, a minimal HTTP framework. A remote attacker can exploit this flaw by injecting malicious Server-Sent Events SSE due to improper sanitization of newline characters in the formatEventStreamMessage and formatEventStreamComment functions. An attacker who controls any part of a...

CVE-2026-33128

H3 is a minimal HTTP framework. In versions prior to 1.15.6 and between 2.0.0 through 2.0.1-rc.14, createEventStream is vulnerable to Server-Sent Events SSE injection due to missing newline sanitization in formatEventStreamMessage and formatEventStreamComment. An attacker who controls any part of...

PT-2026-26192

Summary createEventStream in h3 is vulnerable to Server-Sent Events SSE injection due to missing newline sanitization in formatEventStreamMessage and formatEventStreamComment. An attacker who controls any part of an SSE message field id, event, data, or comment can inject arbitrary SSE events to...

CVE-2019-13643: Improper Neutralization of Input During Web Page Generation

Stored XSS in EspoCRM before 5.6.4 allows remote attackers to execute malicious JavaScript and inject arbitrary source code into the target pages. The attack begins by storing a new stream message containing an XSS payload. The stored payload can then be triggered by clicking a malicious link on...

CVE-2002-2295: Improper Restriction of Operations within the Bounds of a Memory Buffer

Buffer overflow in Pico Server pServ 2.0 beta 1 through beta 5 allows remote attackers to cause a denial of service crash and possibly execute arbitrary code via 1 a 1024-byte TCP stream message, which triggers an off-by-one buffer overflow, or 2 a long method name in an HTTP request, 3 a long...