CVE-2023-26437 — Uncontrolled Resource Consumption in Recursor

CWE-400 — Uncontrolled Resource Consumption5 documents5 sources
Severity
5.3MEDIUMNVD
CNA3.4
EPSS
0.0%
top 99.18%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Powerdns Recursor
Timeline
PublishedApr 4

Description

Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

▶NVDpowerdns/recursor4.7.0 — 4.7.5+2
▶CVEListV5powerdns/recursor4.6.5+2

🔴Vulnerability Details

3
OSV
CVE-2023-26437: Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable↗2023-04-04
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CVEList
Deterred spoofing attempts can lead to authoritative servers being marked unavailable↗2023-04-04
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GHSA
GHSA-4wg5-gmxh-4r2r: Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable↗2023-04-04
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📋Vendor Advisories

1
Debian
CVE-2023-26437: pdns-recursor - Denial of service vulnerability in PowerDNS Recursor allows authoritative server...↗2023
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CVE-2023-26437 — Uncontrolled Resource Consumption | cvebase