Recent Advisories

Severity ID Title Vendor Product Date Type
NONE H1:3484431

curl: HTTP Request Smuggling and SSRF via CRLF Injection in Curl_add_custom_headers_H1:3484431

## Summary: A lack of CRLF validation in `Curl_add_custom_headers` at `lib/http.c:1761` allows users to inject arbitrary HTTP headers. This violat...

N/A N/A HACKERONE
NONE H1:3484506

curl: CRLF Injection in Gopher Protocol (`lib/gopher.c`)_H1:3484506

Control characters slip through during URL handling in curl’s Gopher setup. Though null bytes get blocked by the `REJECT_ZERO` setting, returns and...

N/A N/A HACKERONE
NONE H1:3483225

curl: A quiet New Year wish for security researchers_H1:3483225

Hi **curl Security Team and fellow security researchers**, **Sorry in advance** if this isn’t a traditional security report. I know your time is v...

N/A N/A HACKERONE
NONE H1:3484319

curl: MQTT Protocol Violation & Integer Overflow in libcurl_H1:3484319

## Executive Summary **Vulnerability Type:** CWE-190 **Component:** lib/mqtt.c **Function:** mqtt_decode_len **Affected Architectures:** - **...

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NONE H1:3481849

curl: HTTP/2 and HTTP/3 Header Injection in curl_H1:3481849

================================================================================ VULNERABILITY REPORT: HTTP/2 and HTTP/3 Header Injection in curl =...

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NONE H1:3480713

curl: Proxy-Authorization header is leaked to origin server after redirect from proxied to direct connection_H1:3480713

## Summary curl leaks the Proxy-Authorization header to the origin server after following an HTTP redirect that transitions from a proxied connect...

N/A N/A HACKERONE
NONE H1:3481595

curl: SMTP CRLF Injection & Protocol Desynchronization in libcurl_H1:3481595

## Executive Summary A critical security vulnerability has been identified in `libcurl`'s SMTP protocol handler. The vulnerability allows for **SMT...

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NONE H1:3480712

curl: Telnet Suboption Buffer Pointer Underflow in lib/telnet.c leads to Out-of-Bounds Read_H1:3480712

## Summary A buffer pointer underflow vulnerability exists in curl's telnet protocol handler (`lib/telnet.c`). When processing telnet suboptions i...

N/A N/A HACKERONE
NONE H1:3480641

curl: Cross‑Layer State Confusion in libcurl: Credential & Key‑Material Persistence Across Redirect / Connection Reuse Boundaries_H1:3480641

## Summary: This report describes a state‑level security invariant violation in libcurl where credential‑ or key‑related state may persist or be re...

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NONE H1:3479984

curl: CRLF Injection / Protocol Smuggling in libcurl via CURLOPT_USERNAME (IMAP)_H1:3479984

## Summary: I have discovered a CRLF injection vulnerability in the IMAP protocol implementation of libcurl. The vulnerability exists because the `...

N/A N/A HACKERONE