CVE-2021-46828
HIGH7.5EPSS 1.2%libtirpc - security update
Published: 7/20/2022Modified: 12/3/2025
Also known as:ALPINE-CVE-2021-46828
Description
In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This can, in turn, lead to an svc_run infinite loop without accepting new connections.
Affected packages (4)
- Alpine/libtirpcfrom 0, < 1.3.1-r1
- Debian/libtirpcfrom 0, < 1.3.1-1+deb11u1
- Debian/libtirpcfrom 0, < 1.1.4-0.4+deb10u1
- Debian/libtirpcfrom 0, < 1.3.1-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |