Vulnerability in Libtirpc Project
CVE-2021-46828
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.028 (85.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.028 · change: +0.002
Affected products
- Libtirpc Project
- Debian Linux — versions 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.linux-nfs.org/
- www.debian.org/security/2022/dsa-5200 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/08/msg00004.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20221007-0004/ (Third Party Advisory)
- security.gentoo.org/glsa/202210-33 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-46828?
- CVE-2021-46828 is a high-severity vulnerability in Libtirpc Project, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.5/10. Published 2022-07-20.
- How severe is CVE-2021-46828?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-46828 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.