CVE-2026-63382

A flaw was found in libevent. The evhttp parser in libevent's http.c component inconsistently handles HTTP Transfer-Encoding headers and chunked framing. This inconsistency allows an unauthenticated remote attacker to desynchronize request boundaries when libevent is used behind a proxy. Successf...

TencentOS Server 4: libevent (TSSA-2026:0884)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0884 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

evhttp HTTP parser Heap Buffer Overflow DoS

The vulnerability of the evhttpfindheader function in the evhttp HTTP parser from the Libevent asynchronous event handling library is related to deficiencies in HTTP request processing. Exploiting this vulnerability could allow a malicious actor to cause service failures...

SUSE CVE-2026-63382

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, the libevent evhttp parser in http.c inconsistently handles duplicate Transfer-Encoding headers, comma-separated Transfer-Encoding values, and bare line feeds in chunked framing. evhttpfindheader can select only the first...

Linux Distros Unpatched Vulnerability : CVE-2026-63382

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, the libevent evhttp parser in http.c inconsistently handles duplicate...

AZL-97536 CVE-2026-63382 affecting package mysql for versions less than 8.0.46-2

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, the libevent evhttp parser in http.c inconsistently handles duplicate Transfer-Encoding headers, comma-separated Transfer-Encoding values, and bare line feeds in chunked framing. evhttpfindheader can select only the first...

AZL-96900 CVE-2026-63382 affecting package libtevent 0.14.1-1

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, the libevent evhttp parser in http.c inconsistently handles duplicate Transfer-Encoding headers, comma-separated Transfer-Encoding values, and bare line feeds in chunked framing. evhttpfindheader can select only the first...

AZL-97560 CVE-2026-63382 affecting package ntp for versions less than 4.2.8p17-3

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, the libevent evhttp parser in http.c inconsistently handles duplicate Transfer-Encoding headers, comma-separated Transfer-Encoding values, and bare line feeds in chunked framing. evhttpfindheader can select only the first...

CVE-2026-63382

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, the libevent evhttp parser in http.c inconsistently handles duplicate Transfer-Encoding headers, comma-separated Transfer-Encoding values, and bare line feeds in chunked framing. evhttpfindheader can select only the first...

CVE-2026-63382

CVE-2026-63382 is a critical (CVSS 4.0: 9.2) HTTP request smuggling vulnerability in Libevent 's evhttp parser (http.c). Three combined bugs—improper handling of duplicate Transfer-Encoding headers, missing validation for comma-separated values ending in chunked, and acceptance of bare LF chunk t...

EUVD-2026-63505

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, the libevent evhttp parser in http.c inconsistently handles duplicate Transfer-Encoding headers, comma-separated Transfer-Encoding values, and bare line feeds in chunked framing. evhttpfindheader can select only the first...

CVE-2026-63382 libevent evhttp: Multiple HTTP Parser Bugs Enable Request Smuggling

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, the libevent evhttp parser in http.c inconsistently handles duplicate Transfer-Encoding headers, comma-separated Transfer-Encoding values, and bare line feeds in chunked framing. evhttpfindheader can select only the first...

CVE-2026-63388

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has a heap out-of-bounds write in buffereventsock.c when buffereventsocketsetconnaddress copies a kernel-supplied AFUNIX peer address into buffereventprivate.connaddress. Release builds compiled with NDEBUG disab...

CVE-2026-63382: Inconsistent Interpretation of HTTP Requests

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, the libevent evhttp parser in http.c inconsistently handles duplicate Transfer-Encoding headers, comma-separated Transfer-Encoding values, and bare line feeds in chunked framing. evhttpfindheader can select only the first...

CVE-2026-63382: Inconsistent Interpretation of HTTP Requests

Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, the libevent evhttp parser in http.c inconsistently handles duplicate Transfer-Encoding headers, comma-separated Transfer-Encoding values, and bare line feeds in chunked framing. evhttpfindheader can select only the first...

[slackware-security] libevent

New libevent packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/libevent-2.1.13-i586-1slack15.0.txz: Upgraded. This release contains several security fixes, affecting users of the following module...