RLSA-2026:67909

Source
https://errata.rockylinux.org/RLSA-2026:67909
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:67909.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:67909
Upstream
Published
2026-09-17T12:09:45Z
Modified
2026-09-17T12:30:02Z
Severity
  • 8.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H CVSS Calculator
Summary
Important: libevent security update
Details

The libevent packages provide an abstract asynchronous event notification library.

Security Fix(es):

  • 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)

  • libevent: Libevent: Memory corruption due to use-after-free (CVE-2026-63381)

  • libevent: Libevent: Denial of Service via integer conversion error in evtag_unmarshal_header (CVE-2026-63384)

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

  • libevent: Libevent: Arbitrary code execution via heap out-of-bounds write in AF_UNIX handling (CVE-2026-63388)

  • libevent: Libevent: HTTP header handling bugs create risk of access control bypass. (CVE-2026-63385)

  • libevent: Libevent: HTTP header smuggling allows authorization bypass or cache poisoning (CVE-2026-63379)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Database specific
{
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:67909"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:10 / libevent

Package

Name
libevent
Purl
pkg:rpm/rocky-linux/libevent?distro=rocky-linux-10&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.1.13-1.el10_2
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:67909.json"