CVE-2019-3862
HIGH
7.3
CVSS Score
Published: March 20, 2019 at 09:39 PM UTC
Updated: October 14, 2026 at 07:16 AM UTC
5 products affected across 5 vendorsDebian LinuxFedoraLeap
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Severity
HIGH7.3
Exploit prediction
EPSS 8%
Description
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. 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.
Debian Linux· Debiandrupal
95%95%
v < 1.8.11.8.1
Affected range stops below 1.8.1, so it looks safe — our inference, not a vendor statement
All versions
Leap· openSUSEdrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
- http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html
- http://www.openwall.com/lists/oss-security/2019/03/18/3
- https://access.redhat.com/errata/RHSA-2019:1884
References (19)
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.htmlVendor Advisoryx_refsource_SUSEThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.htmlx_refsource_MISCPatchThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.htmlMailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2019/03/18/3VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/107485Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2019:1884x_refsource_CONFIRMIssue Tracking
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3862Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlCVSS
7.3HIGHredhat
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-130CWE-125
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