CVE-2021-28041
CVE-2021-28041
This page contains facts from public vulnerability sources. Check the original advisory before updating.
ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.
CVSS 7.1 · High · EPSS 3.5% · Fix available
- Published
- Updated
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
openssh Debian:12
- Affected ranges
- ECOSYSTEM: < 1:8.4p1-5
Update to 1:8.4p1-5
openssh Debian:13
- Affected ranges
- ECOSYSTEM: < 1:8.4p1-5
Update to 1:8.4p1-5
openssh Debian:14
- Affected ranges
- ECOSYSTEM: < 1:8.4p1-5
Update to 1:8.4p1-5
openssh Ubuntu:20.04:LTS
- Versions
- 1:8.0p1-6build1
- 1:8.1p1-1
- 1:8.1p1-5
- 1:8.2p1-4
- 1:8.2p1-4ubuntu0.1
- Affected ranges
- ECOSYSTEM: < 1:8.2p1-4ubuntu0.2
Update to 1:8.2p1-4ubuntu0.2
Original sources
- https://www.openssh.com/security.html
- https://www.openwall.com/lists/oss-security/2021/03/03/1
- https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db
- https://www.openssh.com/txt/release-8.5
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/
- https://security.gentoo.org/glsa/202105-35
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQWGII3LQR4AOTPPFXGMTYE7UDEWIUKI/
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://security.netapp.com/advisory/ntap-20210416-0002/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-28041