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MEDIUM

CVE-2022-33124

CVSS v3

5.5

MEDIUM

EPSS Score

0.7 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • aiohttpPyPIall versions · no fixed version listed

Vendor advisories

  • CVE-2022-33124 Red Hat Product Security

    python-aiohttp: invalid IPv6 URL which can lead to a Denial of Service with exception raised

Full record on NVD

Description

AIOHTTP 3.8.1 can report a "ValueError: Invalid IPv6 URL" outcome, which can lead to a Denial of Service (DoS). NOTE: multiple third parties dispute this issue because there is no example of a context in which denial of service would occur, and many common contexts have exception handing in the calling application

Technical details

Published
2022-06-23

Frequently asked questions

What is CVE-2022-33124?

AIOHTTP 3.8.1 can report a "ValueError: Invalid IPv6 URL" outcome, which can lead to a Denial of Service (DoS). NOTE: multiple third parties dispute this issue because there is no example of a context in which denial of service would occur, and many common contexts have exception handing in the calling application

Is CVE-2022-33124 actively exploited?

Active exploitation of CVE-2022-33124 has not been confirmed. Its EPSS score was 0.7% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-33124?

CVE-2022-33124 has a CVSS v3 base score of 5.5 (MEDIUM severity).

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