ALSA-2026:67909

Source
https://errata.almalinux.org/10/ALSA-2026-67909.html
Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:67909.json
JSON Data
https://api.osv.dev/v1/vulns/ALSA-2026:67909
Related
Published
2026-09-16T00:00:00Z
Modified
2026-09-17T12:26:43Z
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.

References

Affected packages

AlmaLinux:10 / libevent

Package

Name
libevent
Purl
pkg:rpm/almalinux/libevent

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.13-1.el10_2

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:67909.json"

AlmaLinux:10 / libevent-devel

Package

Name
libevent-devel
Purl
pkg:rpm/almalinux/libevent-devel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.13-1.el10_2

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:67909.json"

AlmaLinux:10 / libevent-doc

Package

Name
libevent-doc
Purl
pkg:rpm/almalinux/libevent-doc

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.1.13-1.el10_2

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:67909.json"