The ssh_packet_read_poll2 function in packet.c in OpenSSH before 7.1p2 allows remote…
Priority LOW 39CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
The ssh_packet_read_poll2 function in packet.c in OpenSSH before 7.1p2 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via crafted network traffic.
Why it matters now
EPSS 0.14341 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openbsd:openssh:6.8:*:*:*:*:*:*:* | 6.8 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:6.8:p1:*:*:*:*:*:* | 6.8 p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:6.9:*:*:*:*:*:*:* | 6.9 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:6.9:p1:*:*:*:*:*:* | 6.9 p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:7.0:p1:*:*:*:*:*:* | 7.0 p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:7.1:*:*:*:*:*:*:* | 7.1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:7.1:p1:*:*:*:*:*:* | 7.1 p1 | Vulnerable | OpenBSD |
- cpe:2.3:a:openbsd:openssh:6.8:*:*:*:*:*:*:* Versions 6.8 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:6.8:p1:*:*:*:*:*:* Versions 6.8 p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:6.9:*:*:*:*:*:*:* Versions 6.9 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:6.9:p1:*:*:*:*:*:* Versions 6.9 p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:7.0:p1:*:*:*:*:*:* Versions 7.0 p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:7.1:*:*:*:*:*:*:* Versions 7.1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:7.1:p1:*:*:*:*:*:* Versions 7.1 p1 Vulnerable ·OpenBSD
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2016-1907
- 2026-10-03 Alias added: GHSA-3xwc-hv27-5fhw
References
Advisory 4
Other 6
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05385680
- https://bto.bluecoat.com/security-advisory/sa109
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05356388
- https://anongit.mindrot.org/openssh.git/commit/?id=2fecfd486bdba9f51b3a789277bb0733ca36e1c0
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
More OpenBSD Openssh vulnerabilities
- TI-2023-19792 The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently… CVSS 3.1CRITICAL 9.8
- TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
- TI-2023-10601 OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during… CVSS 3.1MEDIUM 6.5
- TI-2018-11033 OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying… CVSS 3.1MEDIUM 5.9
- TI-2016-08105 Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4… CVSS 3.1HIGH 7.3
- TI-2023-28040 In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2016-1907 · CVE Program
- CVE-2016-1907 · NVD
- FIRST EPSS
- GHSA-3xwc-hv27-5fhw · GitHub Advisory Database · CC BY 4.0
- CVE-2016-1907 · Red Hat security data · CC BY 4.0
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