7.7

CVE-2017-2635: redhat libvirt NULL Pointer Dereference

Modified
AliasesDEBIAN-CVE-2017-2635
Published 22-08-2018Last modified 05-08-2024

Vulnerability summary

CVE-2017-2635 is a high (CVSS 7.7) NULL Pointer Dereference vulnerability in redhat libvirt. EPSS estimates a 1.53% chance of exploitation in the next 30 days, higher than 74.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.7, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.7/10
010
High · v3.0 (CVE.org)
EPSS score
1.53%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 22-08-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A NULL pointer deference flaw was found in the way libvirt from 2.5.0 to 3.0.0 handled empty drives. A remote authenticated attacker could use this flaw to crash libvirtd daemon resulting in denial of service.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.53%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.53% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • libvirt< 3.0.0-3
Redhat1 product
The libvirt project1 product

3 vendors · 3 products

References

3 links