ALSA-2026:67908

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: 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)

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.