6.5

CVE-2022-37428: fedoraproject fedora Incomplete Cleanup

CVSS: 6.5v3.1MediumModified
AliasesopenSUSE-SU-2022:10171-1UBUNTU-CVE-2022-37428DEBIAN-CVE-2022-37428
Published 23-08-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-37428 is a medium (CVSS 6.5) Incomplete Cleanup vulnerability in fedoraproject fedora. EPSS estimates a 1.44% chance of exploitation in the next 30 days, higher than 73% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.44%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-08-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.44%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

+0.03 pp

From 1.41% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.44%

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

Opensuse2 products
  • pdns-recursor&distro=openSUSE Leap 15.4< 4.6.3-bp154.2.3.1
  • pdns-recursor&distro=openSUSE Tumbleweed< 4.7.2-1.1
Debian1 product
  • pdns-recursor< 4.7.2-1
Fedoraproject1 product
Powerdns1 product
  • recursor≥ 4.5.0, < 4.5.10 | ≥ 4.6.0, < 4.6.3 | ≥ 4.7.0, < 4.7.2
Suse1 product
  • pdns-recursor&distro=SUSE Package Hub 15 SP4< 4.6.3-bp154.2.3.1
Ubuntu1 product
  • pdns-recursorAll versions (No fix recorded)

6 vendors · 7 products

References

11 links
Show all 11 references