CVE-2019-3858

MEDIUM
5
CVSS Score
Published: March 21, 2019 at 08:22 PM UTC
Updated: October 14, 2026 at 07:16 AM UTC
5 products affected across 5 vendorsDebian LinuxFedoraLeap

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Severity
MEDIUM5
Exploit prediction
EPSS 6%

Description

An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.8.11.8.1
Affected range stops below 1.8.1, so it looks safe — our inference, not a vendor statement

References (18)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
Mailing Listx_refsource_MLISTPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/03/18/3
VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/107485
x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3858
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html

CVSS

5MEDIUMredhat
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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