5.9

CVE-2016-0787: debian debian_linux

CVSS: 5.9v3.0MediumModified
AliasesALPINE-CVE-2016-0787MGASA-2016-0392SUSE-SU-2016:0718-1
Published 13-04-2016Last modified 05-08-2024

Vulnerability summary

CVE-2016-0787 is a medium (CVSS 5.9) vulnerability in debian debian_linux. EPSS estimates a 2.59% chance of exploitation in the next 30 days, higher than 85% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.0 (NVD)
EPSS score
2.59%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 13-04-2016
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The diffie_hellman_sha256 function in kex.c in libssh2 before 1.7.0 improperly truncates secrets to 128 or 256 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a "bits/bytes confusion bug."

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.59%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

0.00 pp

From 2.59% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Suse12 products
  • libssh2_org&distro=SUSE Linux Enterprise Desktop 11 SP4< 1.2.9-4.2.6.1
  • libssh2_org&distro=SUSE Linux Enterprise Desktop 12< 1.4.3-16.1
  • libssh2_org&distro=SUSE Linux Enterprise Desktop 12 SP1< 1.4.3-16.1
  • libssh2_org&distro=SUSE Linux Enterprise Server 11 SP4< 1.2.9-4.2.6.1
  • libssh2_org&distro=SUSE Linux Enterprise Server 12< 1.4.3-16.1
Redhat4 products
  • libssh2< 0:1.4.2-2.el6_7.1 | < 0:1.4.3-10.el7_2.1
  • libssh2-debuginfo< 0:1.4.2-2.el6_7.1 | < 0:1.4.3-10.el7_2.1
  • libssh2-devel< 0:1.4.2-2.el6_7.1 | < 0:1.4.3-10.el7_2.1
  • libssh2-docs< 0:1.4.2-2.el6_7.1 | < 0:1.4.3-10.el7_2.1
Debian2 products
  • libssh2< 1.5.0-2.1 | < 1.2.6-1+deb6u2 | < 1.4.2-1.1+deb7u2 | < 1.4.3-4.1+deb8u1
  • debian_linuxEOL7.0 | 8.0
Alpine1 product
  • libssh2< 1.7.0-r0
Fedoraproject1 product
Libssh21 product
Mageia1 product
  • libssh2< 1.4.3-6.1.mga5
Opensuse1 product
Ubuntu1 product
  • libssh2< 1.4.3-2ubuntu0.1 | < 1.5.0-2ubuntu0.1

9 vendors · 24 products

References

32 links
Show all 32 references