CVE catalog
CVE-2015-3146
libssh: CVE-2015-3146
- Severity
- High · CVSS 7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 3.96% · Oct 25, 2026
The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet.
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 | libssh | sid | 0.12.2-1 | fixed |
| Debian | libssh | forky | 0.12.2-1 | fixed |
| Debian | libssh | trixie | 0.11.5-0+deb13u1 | fixed |
| Debian | libssh | trixie-security | 0.11.5-0+deb13u1 | fixed |
| Debian | libssh | bookworm | 0.10.6-0+deb12u2 | fixed |
| Debian | libssh | bookworm-security | 0.10.6-0+deb12u3 | fixed |
| Ubuntu | libssh | 14.04 | 0.5.4-1 | vulnerable |
| Ubuntu | libssh | 14.04 | 0.6.1-0ubuntu2 | vulnerable |
| Ubuntu | libssh | 14.04 | 0.6.1-0ubuntu3 | vulnerable |
| Ubuntu | libssh | 14.04 | 0.6.1-0ubuntu3.1 | vulnerable |
| Ubuntu | libssh | 14.04 | 0.6.1-0ubuntu3.3 | fixed |
| Ubuntu | libssh | 14.04 | 0.5.4-1 | vulnerable |
| Ubuntu | libssh | 14.04 | 0.6.1-0ubuntu2 | vulnerable |
| Ubuntu | libssh | 14.04 | 0.6.1-0ubuntu3 | vulnerable |
| Ubuntu | libssh | 14.04 | 0.6.1-0ubuntu3.1 | vulnerable |
| Ubuntu | libssh | 14.04 | 0.6.1-0ubuntu3.3 | fixed |
| Suse | libssh | linux enterprise desktop 12 | 0.6.3-8.1 | fixed |
| Suse | libssh | linux enterprise software development kit 12 | 0.6.3-8.1 | fixed |
| Suse | libssh | linux enterprise workstation extension 12 | 0.6.3-8.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libssh | source | sid | 0.6.3-4.2 | not yet assigned | Not reported | [784404] |
| Debian | libssh | source | forky | 0.6.3-4.2 | not yet assigned | Not reported | [784404] |
| Debian | libssh | source | trixie | 0.6.3-4.2 | not yet assigned | Not reported | [784404] |
| Debian | libssh | source | bookworm | 0.6.3-4.2 | not yet assigned | Not reported | [784404] |
| Ubuntu | libssh | deb | 14.04 | 0.6.1-0ubuntu3.3 | Not reported | UBUNTU-CVE-2015-3146 | Not reported |
| Ubuntu | libssh | deb | 14.04 | 0.6.1-0ubuntu3.3 | Not reported | USN-2912-1 | Not reported |
| Suse | libssh | rpm | linux enterprise desktop 12 | 0.6.3-8.1 | Not reported | SUSE-SU-2015:1707-2 | Not reported |
| Suse | libssh | rpm | linux enterprise software development kit 12 | 0.6.3-8.1 | Not reported | SUSE-SU-2015:1707-2 | Not reported |
| Suse | libssh | rpm | linux enterprise workstation extension 12 | 0.6.3-8.1 | Not reported | SUSE-SU-2015:1707-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [libssh-4]Unknown
Source package: [libssh]
Details (4)
0.10.6-0+deb12u2· amd64 · bookwormFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u2· arm64 · bookwormFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u1· amd64 · bookworm-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u1· arm64 · bookworm-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
- [libssh-dev]Unknown
Source package: [libssh]
Details (4)
0.10.6-0+deb12u2· amd64 · bookwormFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u2· arm64 · bookwormFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u1· amd64 · bookworm-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u1· arm64 · bookworm-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
- [libssh-doc]Unknown
Source package: [libssh]
Details (4)
0.10.6-0+deb12u2· all · bookwormFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u2· all · bookwormFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u1· all · bookworm-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u1· all · bookworm-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
- [libssh-gcrypt-4]Unknown
Source package: [libssh]
Details (4)
0.10.6-0+deb12u2· amd64 · bookwormFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u2· arm64 · bookwormFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u1· amd64 · bookworm-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u1· arm64 · bookworm-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
- [libssh-gcrypt-dev]Unknown
Source package: [libssh]
Details (4)
0.10.6-0+deb12u2· amd64 · bookwormFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u2· arm64 · bookwormFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u1· amd64 · bookworm-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
0.10.6-0+deb12u1· arm64 · bookworm-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · bookworm; dsa · libssh · debian · 12
[Debian 13 (Trixie)]
- [libssh-4]Unknown
Source package: [libssh]
Details (4)
0.11.2-1+deb13u1· amd64 · trixieFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · 13
0.11.2-1+deb13u1· arm64 · trixieFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · 13
0.11.5-0+deb13u1· amd64 · trixie-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · 13
0.11.5-0+deb13u1· arm64 · trixie-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · 13
- [libssh-dev]Unknown
Source package: [libssh]
Details (4)
0.11.2-1+deb13u1· amd64 · trixieFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · 13
0.11.2-1+deb13u1· arm64 · trixieFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · 13
0.11.5-0+deb13u1· amd64 · trixie-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · 13
0.11.5-0+deb13u1· arm64 · trixie-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · 13
- [libssh-doc]Unknown
Source package: [libssh]
Details (4)
0.11.2-1+deb13u1· all · trixieFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · 13
0.11.2-1+deb13u1· all · trixieFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · 13
0.11.5-0+deb13u1· all · trixie-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · 13
0.11.5-0+deb13u1· all · trixie-securityFixed · Fixed:
0.6.3-4.2dsa · libssh · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2015_1707-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2015-3146]
- [https://osv.dev/vulnerability/SUSE-SU-2015:1707-1]
- [https://osv.dev/vulnerability/SUSE-SU-2015:1707-2]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2015-3146]
- [https://osv.dev/vulnerability/USN-2912-1]
- [https://security-tracker.debian.org/tracker/CVE-2015-3146]
- [https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-3146.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2016/wid-sec-w-2024-1054.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]