Fedora 45 : libevent (2026-0a83f1b852)

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-0a83f1b852 advisory. Update to 2.1.13. The following security vulnerabilites are fixed in this update: - GHSA-fj29-64w6-73h6 CVE-2026-63383 - GHSA-45c6-qx49-89m8...

Debian dsa-6493 : libevent-2.1-7t64 - security update

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6493 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6493-1 [email protected] https://www.debian.org/securit...

tmux v3.8-rc

Welcome to tmux! tmux is a terminal multiplexer: it enables a number of terminals to be created, accessed, and controlled from a single screen. tmux may be detached from a screen and continue running in the background, then later reattached. This release runs on OpenBSD, FreeBSD, NetBSD, Linux,...

[SECURITY] Fedora 44 Update: libevent-2.1.13-1.fc44

The libevent API provides a mechanism to execute a callback function when a specific event occurs on a file descriptor or after a timeout has been reached. libevent is meant to replace the asynchronous event loop found in event driven network servers. An application just needs to call eventdispat...

Fedora 44 : libevent (2026-72d10c874d)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-72d10c874d advisory. Update to 2.1.13. The following security vulnerabilites are fixed in this update: - GHSA-fj29-64w6-73h6 CVE-2026-63383 - GHSA-45c6-qx49-89m8...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libevent (UTSA-2026-106158)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106158 advisory. 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...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libevent (UTSA-2026-106190)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106190 advisory. Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has an incorrect integer conversion in eventtagging.c when evtagunmarshalheader...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libevent (UTSA-2026-106201)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106201 advisory. Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has an off-by-one stack buffer overflow in evdns.c when dnsnametolabels formats ...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libevent (UTSA-2026-106194)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106194 advisory. Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent can read beyond a contiguous evbuffer region in eventtagging.c when...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libevent (UTSA-2026-106173)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106173 advisory. 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...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libevent (UTSA-2026-106162)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106162 advisory. Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has two HTTP parsing weaknesses in http.c. evhttpdecodeuriinternal decodes...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libevent (UTSA-2026-106160)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106160 advisory. Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent processes chunked HTTP trailers in http.c through evhttpreadtrailer and merges...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libevent (UTSA-2026-106192)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106192 advisory. Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has a use-after-free in buffer.c when evbufferaddbufferreference processes an...

libevent: libevent: Multiple HTTP Parser Bugs Enable Request Smuggling

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...

libevent: Libevent: Off-by-one stack buffer overflow leading to denial of service or data corruption

A flaw was found in Libevent, an event notification library. An off-by-one stack buffer overflow exists in the dnsnametolabels function when processing a name-bearing DNS record. A remote attacker could send a specially crafted DNS server response, which may lead to a crash or corruption of the...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: libevent: libevent-2.1.13-0.1.hum1 aarch64, x8664 libevent-devel-2.1.13-0.1.hum1 aarch64, x8664 libevent-doc-2.1.13-0.1.hum1 noarch libevent-2.1.13-0.1.hum1.src src Security Fixes: libevent:...

libevent: Libevent: HTTP header handling bugs create risk of access control bypass.

A flaw was found in libevent. The evhttpdecodeuriinternal function in http.c decodes percent-encoded %00 bytes into literal NUL characters without rejecting them, allowing an attacker to craft a URI such as /admin/secret%00.jpg where extension-based access checks see .jpg but the server processes...

CVE-2026-63385

A flaw was found in libevent. The evhttpdecodeuriinternal function in http.c decodes percent-encoded %00 bytes into literal NUL characters without rejecting them, allowing an attacker to craft a URI such as /admin/secret%00.jpg where extension-based access checks see .jpg but the server processes...

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...

CVE-2026-63381 affecting package libevent for versions less than 2.1.13-1

CVE-2026-63381 affecting package libevent for versions less than 2.1.13-1. An upgraded version of the package is available that resolves this issue...