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The vulnerability of the evws_new_session() function in the Libevent asynchronous event notification library allows a hacker to trigger a service failure.

🗓️ 26 Aug 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 5 Views

Use after free in evws_new_session() of Libevent allowing attacker to cause service failure.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-63380
20 Aug 202617:52
cve
cvelist
Cvelist
CVE-2026-63380 Libevent: Null Pointer Dereference in `evws_new_session`
20 Aug 202617:52
cvelist
debiancve
Debian CVE
CVE-2026-63380
20 Aug 202617:52
debiancve
euvd
EUVD
EUVD-2026-63506
20 Aug 202617:52
euvd
nvd
NVD
CVE-2026-63380
20 Aug 202618:16
nvd
osv
OSV
UBUNTU-CVE-2026-63380
21 Aug 202600:00
osv
ptsecurity
Positive Technologies
PT-2026-79096
20 Aug 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-63380
27 Aug 202612:19
redhatcve
susecve
SUSE CVE
SUSE CVE-2026-63380
22 Aug 202600:56
susecve
ubuntucve
UbuntuCve
CVE-2026-63380
21 Aug 202600:00
ubuntucve
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Vulners
Node
OR
libeventlibeventRange2.1.12
libeventlibeventRange2.2.1-alpha

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26 Aug 2026 00:00Current
5.4Medium risk
Vulners AI Score5.4
CVSS 23.8
CVSS 34.7
EPSS0.00113
5