Description
Paramiko version 2.4.1, 2.3.2, 2.2.3, 2.1.5, 2.0.8, 1.18.5, 1.17.6 contains a Incorrect Access Control vulnerability in SSH server that can result in RCE. This attack appear to be exploitable via network connectivity.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | paramiko | 2.4.2-0.1 | — |
| Debian 13 | paramiko | 2.4.2-0.1 | — |
| Debian 12 | paramiko | 2.4.2-0.1 | — |
| Debian 9 | paramiko | 2.0.0-1+deb9u1 | DLA-2860-1 |
| Debian 8 | paramiko | 1.15.1-1+deb8u1 | DLA-1556-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | paramiko | 2.0.0-1ubuntu1.1 | USN-3796-1 |
| Ubuntu 16.04 LTS | paramiko | 1.16.0-1ubuntu0.2 | USN-3796-1 |
| Ubuntu 14.04 LTS | paramiko | 1.10.1-1git1ubuntu0.2 | USN-3796-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | imgbased +1 | 1.0.29-1.el7ev | RHSA-2018:3470 |
| RHEL 7 | python-paramiko +1 | 2.1.1-9.el7 | RHSA-2018:3347 |
| RHEL 7 | redhat-release-virtualization-host +1 | 4.2-7.3.el7 | RHSA-2018:3470 |
| RHEL 7 | redhat-virtualization-host +1 | 4.2-20181026.0.el7_6 | RHSA-2018:3470 |
| RHEL 7 | rhvm-appliance | 2:4.2-20181026.1.el7 | RHBA-2018:3497 |
| RHEL 6 | python-paramiko | 1.7.5-5.el6_10 | RHSA-2018:3406 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6.7 EUS | python-paramiko | 1.7.5-4.el6_7.1 | RHSA-2018:3406 |
| RHEL 6.6 TUS | python-paramiko | 1.7.5-4.el6_6.1 | RHSA-2018:3406 |
| RHEL 6.6 AUS | python-paramiko | 1.7.5-4.el6_6.1 | RHSA-2018:3406 |
| RHEL 6.5 AUS | python-paramiko | 1.7.5-4.el6_5.1 | RHSA-2018:3406 |
| RHEL 6.4 AUS | python-paramiko | 1.7.5-4.el6_4.1 | RHSA-2018:3406 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SLES 15 SP3 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SLES 15 SP2 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SLES 15 SP1 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SLES 15 | python-paramiko | 2.4.2-3.3.2 | SUSE-SU-2019:0174-1 |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | python-paramiko | 2.1.3-9.6.1 | SUSE-SU-2021:0038-1 |
| SLES 2 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SLES for SAP 15 SP2 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SLES for SAP 15 SP1 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SLE HPC 15 SP2 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SLE HPC 15 SP1 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SUSE OpenStack Cloud Crowbar 8 | python-paramiko | 2.2.4-4.3.1 | SUSE-SU-2019:0396-1 |
| SUSE OpenStack Cloud 8 | python-paramiko | 2.2.4-4.3.1 | SUSE-SU-2019:0396-1 |
| SUSE OpenStack Cloud 7 | python-amqp | 1.4.9-3.3.1 | SUSE-SU-2019:0481-1 |
| SUSE OpenStack Cloud 7 | python-oslo.messaging | 5.10.2-3.9.1 | SUSE-SU-2019:0481-1 |
| SUSE OpenStack Cloud 7 | python-ovs | 2.5.0-3.3.1 | SUSE-SU-2019:0481-1 |
| SUSE OpenStack Cloud 7 | python-paramiko | 2.0.9-3.6.1 | SUSE-SU-2019:0481-1 |
| SUSE OpenStack Cloud 7 | python-psql2mysql | 0.5.0+git.1539592188.13e5d0f-1.9.1 | SUSE-SU-2019:0481-1 |
| SUSE Manager Server 4.1 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SUSE Manager Retail Branch Server 4.1 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SUSE Manager Proxy 4.1 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SUSE HPE Helion OpenStack 8 | python-paramiko | 2.2.4-4.3.1 | SUSE-SU-2019:0396-1 |
| SUSE Enterprise Storage 7 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SUSE Enterprise Storage 6 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| SUSE Enterprise Storage 5 | python-paramiko | 2.0.9-3.6.1 | SUSE-SU-2020:1274-1 |
| SUSE Enterprise Storage 4 | python-paramiko | 2.0.9-3.6.1 | SUSE-SU-2019:0481-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | python-paramiko | 2.7.2-3.7 | openSUSE-SU-2026:11025-1, openSUSE-SU-2024:11249-1 |
| openSUSE Leap 15.4 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
| openSUSE Leap 15.3 | python-paramiko | 2.4.3-150100.6.15.1 | SUSE-SU-2022:3730-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.23 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.22 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.21 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.20 | py3-paramiko | 2.4.2-r0 | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.18 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.17 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.16 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.15 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.14 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.13 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.12 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.11 | py3-paramiko | 2.4.2-r0 | — |
| Alpine v3.8 | py-paramiko | 2.4.2-r0 | — |
| Alpine v3.7 | py-paramiko | 2.4.2-r0 | — |
| Alpine v3.6 | py-paramiko | 2.1.6-r0 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | python-paramiko +1 | 2.1.1-9.el7 | ELSA-2018-3347 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | paramiko | >= 2.4.0, < 2.4.2 | 2.4.2 | GHSA-f2j6-wrhh-v25m |
| PyPI | paramiko | >= 2.3.0, < 2.3.3 | 2.3.3 | GHSA-f2j6-wrhh-v25m |
| PyPI | paramiko | >= 2.2.0, < 2.2.4 | 2.2.4 | GHSA-f2j6-wrhh-v25m |
| PyPI | paramiko | >= 2.1.0, < 2.1.6 | 2.1.6 | GHSA-f2j6-wrhh-v25m |
| PyPI | paramiko | >= 1.5.1, < 2.0.9 | 2.0.9 | GHSA-f2j6-wrhh-v25m |
Advisories 16
- RHSA-2018:3470 Red Hat Security Advisory: Red Hat Virtualization security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2018:3406 Red Hat Security Advisory: python-paramiko security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2018:3347 Red Hat Security Advisory: python-paramiko security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHBA-2018:3497 Red Hat Bug Fix Advisory: rhvm-appliance security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- openSUSE-SU-2026:11025-1 python311-paramiko-5.0.0-1.1 on GA media SUSE / openSUSE Security Updates · Jun 14, 2026
- DLA-2860-1 paramiko - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1556-1 paramiko - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3796-1 paramiko vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2019:0174-1 Security update for python-paramiko SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3730-1 Security update for python-paramiko SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11249-1 python-paramiko-doc-2.7.2-3.7 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0481-1 Security update for python-amqp, python-oslo.messaging, python-ovs, python-paramiko, python-psql2mysql SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0038-1 Security update for python-paramiko SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0396-1 Security update for python-paramiko SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1274-1 Security update for python-paramiko SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2018-3347 Critical: python-paramiko security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 7, 2018
References
- RHSA-2018:3347 vendor-advisory
- RHSA-2018:3406 vendor-advisory
- https://github.com/paramiko/paramiko/issues/1283
- USN-3796-3 vendor-advisory
- RHSA-2018:3505 vendor-advisory
- [debian-lts-announce] 20181027 [SECURITY] [DLA 1556-1] paramiko security update mailing-list
- RHBA-2018:3497 vendor-advisory
- USN-3796-2 vendor-advisory
- USN-3796-1 vendor-advisory
- https://herolab.usd.de/wp-content/uploads/sites/4/usd20180023.txt
- [debian-lts-announce] 20211228 [SECURITY] [DLA 2860-1] paramiko security update mailing-list