Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-1782

19
FAUCET Score

CVE-2015-1782 describes a denial-of-service vulnerability in libssh2 versions prior to 1.5.0, affecting various Debian and Fedora distributions. A remote server can trigger a crash or other unspecified impact by sending crafted length values within an SSH_MSG_KEXINIT packet. This medium-complexity attack has a CVSS score of 6.8, indicating potential for partial confidentiality, integrity, and availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
<= 1.4.3CPE matchmatch criteria
cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*
20CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
21CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
22CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.50%
Probability of exploitation in next 30 days
EPSS Percentile
88.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0350 is in the 83rd percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libssh2-0:1.4.3-10.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libssh2

Vendor Advisories (1)

redhatCVE-2015-1782Low

libssh2: Using SSH_MSG_KEXINIT data unbounded

Mar 11, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-March/151943.html
Third Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-March/152362.html
Third Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-March/153933.html
Third Party Advisory
debian.org / security/2015/dsa-3182
Third Party Advisory
libssh2.org / adv_20150311.html
Vendor Advisory
mandriva.com / security/advisories
Broken Link
oracle.com / technetwork/topics/security/linuxbulletinoct2015-2719645.html
securityfocus.com / bid/73061