4.3

CVE-2013-0176: libssh Resource Management Errors

CVSS: 4.3v2.0MediumModified
AliasesDEBIAN-CVE-2013-0176
Published 05-02-2013Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2013-0176 is a medium (CVSS 4.3) Resource Management Errors vulnerability in libssh. EPSS estimates a 3.05% chance of exploitation in the next 30 days, higher than 87.3% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
3.05%
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
OPENSUSE-SU-2024:10036-1

Timeline

  1. 05-02-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.05%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 3.05% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.05%

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

Debian1 product
  • libssh< 0.5.4-1
Libssh1 product
  • libssh≤ 0.5.3 | 0.4.7 | 0.4.8 | 0.5.0 | 0.5.0:rc1 | 0.5.1 | 0.5.2

2 vendors · 2 products

References

7 links