CVE catalog
CVE-2021-46828
libtirpc: CVE-2021-46828
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 3.20% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libtirpc | sid | 1.3.7+ds-1 | fixed |
| Debian | libtirpc | forky | 1.3.7+ds-1 | fixed |
| Debian | libtirpc | trixie | 1.3.6+ds-1 | fixed |
| Debian | libtirpc | bookworm | 1.3.3+ds-1 | fixed |
| Cpe | libtirpc | Not reported | 1.3.3 | fixed |
| Cpe | debian_linux | Not reported | Not reported | unknown |
| Alpine | libtirpc | 3.13 | 1.3.1-r1 | fixed |
| Alpine | libtirpc | 3.14 | 1.3.2-r1 | fixed |
| Alpine | libtirpc | 3.15 | 1.3.2-r1 | fixed |
| Alpine | libtirpc | 3.16 | 1.3.2-r1 | fixed |
| Alpine | libtirpc | 3.17 | 1.3.2-r2 | fixed |
| Alpine | libtirpc | 3.18 | 1.3.2-r2 | fixed |
| Alpine | libtirpc | 3.19 | 1.3.2-r2 | fixed |
| Alpine | libtirpc | 3.20 | 1.3.2-r2 | fixed |
| Alpine | libtirpc | 3.21 | 1.3.2-r2 | fixed |
| Alpine | libtirpc | 3.22 | 1.3.2-r2 | fixed |
| Alpine | libtirpc | 3.23 | 1.3.2-r2 | fixed |
| Alpine | libtirpc | 3.24 | 1.3.2-r2 | fixed |
| Ubuntu | libtirpc | 20.04 | 1.1.4-0.4 | vulnerable |
| Ubuntu | libtirpc | 20.04 | 1.1.4-1 | vulnerable |
| Ubuntu | libtirpc | 20.04 | 1.2.5-1 | vulnerable |
| Ubuntu | libtirpc | 20.04 | 1.2.5-1ubuntu0.1 | fixed |
| Ubuntu | libtirpc | 22.04 | 1.3.2-2 | vulnerable |
| Ubuntu | libtirpc | 22.04 | 1.3.2-2build1 | vulnerable |
| Ubuntu | libtirpc | 22.04 | 1.3.2-2ubuntu0.1 | fixed |
| Ubuntu | ntirpc | 16.04 | 1.3.1-1 | vulnerable |
| Ubuntu | libtirpc | 20.04 | 1.1.4-0.4 | vulnerable |
| Ubuntu | libtirpc | 20.04 | 1.1.4-1 | vulnerable |
| Ubuntu | libtirpc | 20.04 | 1.2.5-1 | vulnerable |
| Ubuntu | libtirpc | 20.04 | 1.2.5-1ubuntu0.1 | fixed |
| Ubuntu | libtirpc | 22.04 | 1.3.2-2 | vulnerable |
| Ubuntu | libtirpc | 22.04 | 1.3.2-2build1 | vulnerable |
| Ubuntu | libtirpc | 22.04 | 1.3.2-2ubuntu0.1 | fixed |
| Suse | libtirpc | openstack cloud 9 | 1.0.1-17.24.1 | fixed |
| Suse | libtirpc | openstack cloud crowbar 9 | 1.0.1-17.24.1 | fixed |
| Suse | libtirpc | linux enterprise server for sap applications 12 sp4 | 1.0.1-17.24.1 | fixed |
| Suse | libtirpc | linux enterprise software development kit 12 sp5 | 1.0.1-17.24.1 | fixed |
| Suse | libtirpc | linux enterprise server 12 sp2-bcl | 1.0.1-17.24.1 | fixed |
| Suse | libtirpc | linux enterprise server 12 sp3-bcl | 1.0.1-17.24.1 | fixed |
| Suse | libtirpc | linux enterprise server 12 sp4-ltss | 1.0.1-17.24.1 | fixed |
| Suse | libtirpc | linux enterprise server 12 sp5 | 1.0.1-17.24.1 | fixed |
| Suse | libtirpc | linux enterprise server for sap applications 12 sp5 | 1.0.1-17.24.1 | fixed |
| Suse | libtirpc | linux enterprise high performance computing 15-espos | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise high performance computing 15-ltss | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise high performance computing 15 sp1-espos | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise high performance computing 15 sp1-ltss | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise high performance computing 15 sp2-espos | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise high performance computing 15 sp2-ltss | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise server 15-ltss | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise server 15 sp1-bcl | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise server 15 sp1-ltss | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise server 15 sp2-bcl | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise server 15 sp2-ltss | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise server for sap applications 15 | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise server for sap applications 15 sp1 | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise server for sap applications 15 sp2 | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | manager proxy 4.1 | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | manager retail branch server 4.1 | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | manager server 4.1 | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | enterprise storage 6 | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | enterprise storage 7 | 1.0.2-150000.3.18.1 | fixed |
| Suse | libtirpc | linux enterprise module for basesystem 15 sp3 | 1.2.6-150300.3.14.1 | fixed |
| Suse | libtirpc | linux enterprise module for basesystem 15 sp4 | 1.2.6-150300.3.14.1 | fixed |
| Suse | libtirpc | linux enterprise micro 5.1 | 1.2.6-150300.3.14.1 | fixed |
| Suse | libtirpc | linux enterprise micro 5.2 | 1.2.6-150300.3.14.1 | fixed |
| Opensuse | libtirpc | leap micro 5.2 | 1.2.6-150300.3.14.1 | fixed |
| Opensuse | libtirpc | leap 15.3 | 1.2.6-150300.3.14.1 | fixed |
| Opensuse | libtirpc | leap 15.4 | 1.2.6-150300.3.14.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libtirpc | source | sid | 1.3.2-2.1 | not yet assigned | Not reported | [1015873] |
| Debian | libtirpc | source | forky | 1.3.2-2.1 | not yet assigned | Not reported | [1015873] |
| Debian | libtirpc | source | trixie | 1.3.2-2.1 | not yet assigned | Not reported | [1015873] |
| Debian | libtirpc | source | bookworm | 1.3.2-2.1 | not yet assigned | Not reported | [1015873] |
| Cpe | libtirpc | cpe | Not reported | 1.3.3 | Not reported | NVD-CVE-2021-46828 | Not reported |
| Alpine | libtirpc | apk | 3.13 | 1.3.1-r1 | Not reported | ALPINE-CVE-2021-46828 | Not reported |
| Alpine | libtirpc | apk | 3.14 | 1.3.2-r1 | Not reported | ALPINE-CVE-2021-46828 | Not reported |
| Alpine | libtirpc | apk | 3.15 | 1.3.2-r1 | Not reported | ALPINE-CVE-2021-46828 | Not reported |
| Alpine | libtirpc | apk | 3.16 | 1.3.2-r1 | Not reported | ALPINE-CVE-2021-46828 | Not reported |
| Alpine | libtirpc | apk | 3.17 | 1.3.2-r2 | Not reported | ALPINE-CVE-2021-46828 | Not reported |
| Alpine | libtirpc | apk | 3.18 | 1.3.2-r2 | Not reported | ALPINE-CVE-2021-46828 | Not reported |
| Alpine | libtirpc | apk | 3.19 | 1.3.2-r2 | Not reported | ALPINE-CVE-2021-46828 | Not reported |
| Alpine | libtirpc | apk | 3.20 | 1.3.2-r2 | Not reported | ALPINE-CVE-2021-46828 | Not reported |
| Alpine | libtirpc | apk | 3.21 | 1.3.2-r2 | Not reported | ALPINE-CVE-2021-46828 | Not reported |
| Alpine | libtirpc | apk | 3.22 | 1.3.2-r2 | Not reported | ALPINE-CVE-2021-46828 | Not reported |
| Alpine | libtirpc | apk | 3.23 | 1.3.2-r2 | Not reported | ALPINE-CVE-2021-46828 | Not reported |
| Alpine | libtirpc | apk | 3.24 | 1.3.2-r2 | Not reported | ALPINE-CVE-2021-46828 | Not reported |
| Ubuntu | libtirpc | deb | 20.04 | 1.2.5-1ubuntu0.1 | Not reported | USN-5538-1 | Not reported |
| Ubuntu | libtirpc | deb | 22.04 | 1.3.2-2ubuntu0.1 | Not reported | USN-5538-1 | Not reported |
| Ubuntu | libtirpc | deb | 20.04 | 1.2.5-1ubuntu0.1 | Not reported | UBUNTU-CVE-2021-46828 | Not reported |
| Ubuntu | libtirpc | deb | 22.04 | 1.3.2-2ubuntu0.1 | Not reported | UBUNTU-CVE-2021-46828 | Not reported |
| Suse | libtirpc | rpm | openstack cloud 9 | 1.0.1-17.24.1 | Not reported | SUSE-SU-2022:3791-1 | Not reported |
| Suse | libtirpc | rpm | openstack cloud crowbar 9 | 1.0.1-17.24.1 | Not reported | SUSE-SU-2022:3791-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server for sap applications 12 sp4 | 1.0.1-17.24.1 | Not reported | SUSE-SU-2022:3791-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise software development kit 12 sp5 | 1.0.1-17.24.1 | Not reported | SUSE-SU-2022:3791-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server 12 sp2-bcl | 1.0.1-17.24.1 | Not reported | SUSE-SU-2022:3791-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server 12 sp3-bcl | 1.0.1-17.24.1 | Not reported | SUSE-SU-2022:3791-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server 12 sp4-ltss | 1.0.1-17.24.1 | Not reported | SUSE-SU-2022:3791-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server 12 sp5 | 1.0.1-17.24.1 | Not reported | SUSE-SU-2022:3791-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server for sap applications 12 sp5 | 1.0.1-17.24.1 | Not reported | SUSE-SU-2022:3791-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise high performance computing 15-espos | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise high performance computing 15-ltss | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise high performance computing 15 sp1-espos | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise high performance computing 15 sp1-ltss | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise high performance computing 15 sp2-espos | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise high performance computing 15 sp2-ltss | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server 15-ltss | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server 15 sp1-bcl | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server 15 sp1-ltss | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server 15 sp2-bcl | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server 15 sp2-ltss | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server for sap applications 15 | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server for sap applications 15 sp1 | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise server for sap applications 15 sp2 | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | manager proxy 4.1 | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | manager retail branch server 4.1 | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | manager server 4.1 | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | enterprise storage 6 | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | enterprise storage 7 | 1.0.2-150000.3.18.1 | Not reported | SUSE-SU-2022:2991-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise module for basesystem 15 sp3 | 1.2.6-150300.3.14.1 | Not reported | SUSE-SU-2022:3305-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise module for basesystem 15 sp4 | 1.2.6-150300.3.14.1 | Not reported | SUSE-SU-2022:3305-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise micro 5.1 | 1.2.6-150300.3.14.1 | Not reported | SUSE-SU-2022:3305-1 | Not reported |
| Suse | libtirpc | rpm | linux enterprise micro 5.2 | 1.2.6-150300.3.14.1 | Not reported | SUSE-SU-2022:3305-1 | Not reported |
| Opensuse | libtirpc | rpm | leap micro 5.2 | 1.2.6-150300.3.14.1 | Not reported | SUSE-SU-2022:3305-1 | Not reported |
| Opensuse | libtirpc | rpm | leap 15.3 | 1.2.6-150300.3.14.1 | Not reported | SUSE-SU-2022:3305-1 | Not reported |
| Opensuse | libtirpc | rpm | leap 15.4 | 1.2.6-150300.3.14.1 | Not reported | SUSE-SU-2022:3305-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libtirpc3]Fixed
Source package: [libtirpc]
Details (2)
1.3.3+ds-1· amd64 · bookwormFixed · Fixed:
1.3.2-2.1dsa · libtirpc · debian · bookworm
1.3.3+ds-1· arm64 · bookwormFixed · Fixed:
1.3.2-2.1dsa · libtirpc · debian · bookworm
- [libtirpc-common]Fixed
Source package: [libtirpc]
Details (2)
1.3.3+ds-1· all · bookwormFixed · Fixed:
1.3.2-2.1dsa · libtirpc · debian · bookworm
1.3.3+ds-1· all · bookwormFixed · Fixed:
1.3.2-2.1dsa · libtirpc · debian · bookworm
- [libtirpc-dev]Fixed
Source package: [libtirpc]
Details (2)
1.3.3+ds-1· amd64 · bookwormFixed · Fixed:
1.3.2-2.1dsa · libtirpc · debian · bookworm
1.3.3+ds-1· arm64 · bookwormFixed · Fixed:
1.3.2-2.1dsa · libtirpc · debian · bookworm
Observed:
References
- [https://access.redhat.com/errata/RHBA-2022:2065]
- [https://cert-portal.siemens.com/productcert/csaf/ssa-558014.json]
- [https://ftp.suse.com/pub/projects/security/csaf/rhba-2022_2065.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2021-46828]
- [https://osv.dev/vulnerability/ALPINE-CVE-2021-46828]
- [https://osv.dev/vulnerability/DLA-3071-1]
- [https://osv.dev/vulnerability/DSA-5200-1]
- [https://osv.dev/vulnerability/SUSE-SU-2022:2991-1]
- [https://osv.dev/vulnerability/SUSE-SU-2022:3305-1]
- [https://osv.dev/vulnerability/SUSE-SU-2022:3791-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-46828]
- [https://osv.dev/vulnerability/USN-5538-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-46828]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0794.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]