Linux · Security advisory · September 19, 2026

RHSA-2026:67908: Security update for 3 packages

RHSA-2026:67908, released September 19, 2026, fixes 6 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
6
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0129
70th percentile

Priority of the 6 CVEs

Patch now 0 Urgent 1 High 5 Routine 0

Fixed package versions

ProductReleaseFixed in
libeventRHEL 80:2.1.8-11.el8_10
libevent-develRHEL 80:2.1.8-11.el8_10
libevent-docRHEL 80:2.1.8-11.el8_10

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Urgent CVE-2026-63385 Libevent: HTTP header handling bugs create risk of access control bypass. 8.6 0.0129 None reported
High CVE-2026-63382 libevent: Libevent is an event notification library 8.6 0.0078 None reported
High CVE-2026-63384 Libevent: `evtag_unmarshal_header()` decodes a wire `uint32` length into a signed `int` return value. 8.6 0.0052 None reported
High CVE-2026-63383 Libevent: decode_tag_internal() can lead to out-of-bounds read 8.6 0.0049 None reported
High CVE-2026-63387 Libevent: Off-by-one stack buffer overflow in dnsname_to_labels via crafted DNS server response 8.6 0.0042 None reported
High CVE-2026-63388 Libevent: Heap out-of-bounds write in bufferevent_socket_set_conn_address_ reachable via AF_UNIX accept 8.6 0.0014 None reported
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