Rocky Linux 9.2 [CIQ] Security Update: libevent / libevent-devel / libevent-doc (ciqsa-2026_1574)

The Rocky Linux 9.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ ciqsa-20261574 advisory. This advisory aggregates security fixes for the libevent SRPM in CIQ LTS 9.2. It addresses 1 CVE: CVE-2026-63387. Tenable has extracted the preceding description...

Rocky Linux 9 [CIQ] Security Update: libevent / libevent-debuginfo / libevent-debugsource / etc Multiple Vulnerabilities (crlsa-2026_67910)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202667910 advisory. libevent: Libevent: Denial of Service via malformed RPC data CVE-2026-63383 libevent: Libevent: Off-by-one stack buffer overflow leading to denial of...

Rocky Linux 8 [CIQ] Security Update: libevent / libevent-debuginfo / libevent-debugsource / etc Multiple Vulnerabilities (crlsa-2026_67908)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202667908 advisory. libevent: Libevent: Denial of Service via malformed RPC data CVE-2026-63383 libevent: Libevent: Off-by-one stack buffer overflow leading to denial of...

CentOS Linux 7 [TuxCare] Security Update: libevent / libevent-devel / libevent-doc Multiple Vulnerabilities (CENTOS7:CLSA-2025:1739388106)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2025:1739388106 advisory. - The nameparse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified impact via vectors involvi...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : libevent vulnerabilities (USN-8840-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8840-1 advisory. Micha Majchrowicz and Marcin Wyczechowski discovered that libevent incorrectly...

TencentOS Server 4: libevent (TSSA-2026:1051)

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-2026:1051 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

USN-8840-1 libevent vulnerabilities

Michał Majchrowicz and Marcin Wyczechowski discovered that libevent incorrectly handled certain DNS responses. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2026-63387 It was discovered that libevent incorrectly handled certain...

USN-8840-1: libevent vulnerabilities

Michał Majchrowicz and Marcin Wyczechowski discovered that libevent incorrectly handled certain DNS responses. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2026-63387 It was discovered that libevent incorrectly handled certain...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: libevent (UTSA-2026-124531)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-124531 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 20.1050a / 20.1060a / 20.1070a Security Update: libevent (UTSA-2026-124534)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-124534 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 20.1050a / 20.1060a / 20.1070a Security Update: libevent (UTSA-2026-124536)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-124536 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 20.1050a / 20.1060a / 20.1070a Security Update: libevent (UTSA-2026-124537)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-124537 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 20.1050a / 20.1060a / 20.1070a Security Update: libevent (UTSA-2026-124532)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-124532 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 20.1050a / 20.1060a / 20.1070a Security Update: libevent (UTSA-2026-124533)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-124533 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...

MiracleLinux 9 : libevent-2.1.13-1.el9_8 (AXSA:2026-1905:02)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1905:02 advisory. libevent: Libevent: Denial of Service via malformed RPC data CVE-2026-63383 libevent: Libevent: Off-by-one stack buffer overflow leading to denial o...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: libevent: libevent-2.1.13-1.hum1 aarch64, x8664 libevent-devel-2.1.13-1.hum1 aarch64, x8664 libevent-doc-2.1.13-1.hum1 noarch libevent-2.1.13-1.hum1.src src...

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...

CentOS 9 : libevent-2.1.13-1.el9

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the libevent-2.1.13-1.el9 build changelog. - 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...

[SECURITY] [DLA 4786-1] libevent security update

Debian LTS Advisory DLA-4786-1 [email protected] https://www.debian.org/lts/security/ Andreans Henriksson September 18, 2026 https://wiki.debian.org/LTS Package : libevent Version : 2.1.12-stable-8+deb12u1 CVE ID : CVE-2026-63379 CVE-2026-63381 CVE-2026-63382 CVE-2026-63383 CVE-2026-633...

Debian dla-4786 : libevent-2.1-7 - security update

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4786 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4786-1 [email protected]...