libevent: Libevent: Off-by-one stack buffer overflow leading to denial of service or data corruption
| Reporter | Title | Published | Views | Family All 32 |
|---|---|---|---|---|
 | The vulnerability of the dnsname_to_labels() function in the Libevent event-driven notification library allows a attacker to cause a service failure. | 26 Aug 202600:00 | – | bdu_fstec |
 | CVE-2026-63387 affecting package libevent for versions less than 2.1.13-1 | 2 Sep 202620:43 | – | cbl_mariner |
| CVE-2026-63387 affecting package mysql for versions less than 8.0.46-2 | 2 Sep 202620:43 | – | cbl_mariner |
| CVE-2026-63387 affecting package ntp for versions less than 4.2.8p17-3 | 2 Sep 202620:43 | – | cbl_mariner |
 | CVE-2026-63387 | 20 Aug 202617:53 | – | cve |
 | CVE-2026-63387 Libevent: Off-by-one stack buffer overflow in dnsname_to_labels via crafted DNS server response | 20 Aug 202617:53 | – | cvelist |
 | CVE-2026-63387 | 20 Aug 202617:53 | – | debiancve |
 | EUVD-2026-63508 | 20 Aug 202617:53 | – | euvd |
 | Updated libevent packages fix security vulnerabilities | 24 Jul 202616:09 | – | mageia |
 | CVE-2026-63387 | 20 Aug 202618:16 | – | nvd |
10
| OS | OS Version | Architecture | Package | Package Version | Filename |
|---|---|---|---|---|---|
| Red Hat Hardened Images | any | aarch64 | libevent | 2.1.13-0.1.hum1 | libevent-2.1.13-0.1.hum1.aarch64.rpm |
| Red Hat Hardened Images | any | x86_64 | libevent | 2.1.13-0.1.hum1 | libevent-2.1.13-0.1.hum1.x86_64.rpm |
| Red Hat Hardened Images | any | noarch | libevent-doc | 2.1.13-0.1.hum1 | libevent-doc-2.1.13-0.1.hum1.noarch.rpm |
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06 Sep 2026 23:49Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17
EPSS0.00345
SSVC