TencentOS Server 3: libevent (TSSA-2026:1140)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:1140 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

Rocky Linux 9.6 [TuxCare] Security Update: libevent / libevent-devel / libevent-doc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1790587734)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790587734 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...

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...

AlmaLinux 9.6 [TuxCare] Security Update: libevent / libevent-devel / libevent-doc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1790587734)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790587734 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...

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...

libevent security update

An update is available for libevent. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The libevent packages provide an abstract asynchronous event notification...

libevent security update

An update is available for libevent. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The libevent packages provide an abstract asynchronous event notification...

RLSA-2026:67910 Important: libevent security update

The libevent packages provide an abstract asynchronous event notification library. Security Fixes: libevent: Libevent: Denial of Service via malformed RPC data CVE-2026-63383 libevent: Libevent: Off-by-one stack buffer overflow leading to denial of service or data corruption CVE-2026-63387...

RockyLinux 8 : libevent (RLSA-2026:67908)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:67908 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...

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: 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...

RHEL 8 : libevent (RHSA-2026:67908)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:67908 advisory. The libevent packages provide an abstract asynchronous event notification library. Security Fixes: libevent: Libevent: Denial of Service vi...

[SECURITY] [DSA 6493-1] libevent security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6493-1 [email protected] https://www.debian.org/security/ Aron Xu September 11, 2026 https://www.debian.org/security/faq -...

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...

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...

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...

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...

The vulnerability of the evhttp_find_header() function in the evhttp HTTP parser library from the asynchronous event notification library Libevent allows a attacker to cause a service failure.

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...