CVE search · CVE-2026-3731
CVE-2026-3731
medium 6.9
A weakness has been identified in libssh up to 0.11.3. The impacted element is the function sftp_extensions_get_name/sftp_extensions_get_data of the file src/sftp.c of the component SFTP Extension Name Handler. Executing a manipulation of the argument idx can lead to out-of-bounds read. The attack may be performed from remote. Upgrading to version 0.11.4 and 0.12.0 is sufficient to resolve this issue. This patch is called 855a0853ad3abd4a6cd85ce06fce6d8d4c7a0b60. You should upgrade the affected component.
Details
- Status
- Analyzed
- Published
- Last changed
- Source
- cna@vuldb.com
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 4.0 | medium 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
cna@vuldb.comSecondary |
| CVSS 3.1 | medium 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
cna@vuldb.comSecondary |
| CVSS 3.1 | high 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
nvd@nist.govPrimary |
| CVSS 2.0 | medium 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
cna@vuldb.comSecondary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
- libssh · libssh
References
- https://gitlab.com/libssh/libssh-mirror/-/commit/855a0853ad3abd4a6cd85ce06fce6d8d4c7a0b60Patch
- https://vuldb.com/?ctiid.349709Permissions RequiredVDB Entry
- https://vuldb.com/?id.349709Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.767120Third Party AdvisoryVDB Entry
- https://www.libssh.org/files/0.12/libssh-0.12.0.tar.xzPatchThird Party Advisory
- https://www.libssh.org/security/advisories/libssh-2026-sftp-extensions.txtProduct