Debian/libevent: high 7
Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has an off-by-one stack buffer overflow in evdns.c when dnsname_to_labels formats a name-bearing DNS record at the
Action: Upgrade libevent to 2.1.13-stable-1~deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.1.13-stable-1~deb13u1 | - |
Fixed versions
| 2.1.13-stable-1~deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-63387#Debian:13/libevent
- https://security-tracker.debian.org/tracker/CVE-2026-63387
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