CVE-2022-44566: A denial of service vulnerability present in ActiveRecord's PostgreSQL adapter <7.0.4.1 and <6.1.7.1

Q: How do I fix CVE-2022-44566?

activerecord: upgrade to 6.1.7.1, 7.0.4.1. Exact commands for each OS are on this page.

Q: Is CVE-2022-44566 being exploited?

CVE-2022-44566 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-44566 affect?

CVE-2022-44566 affects activerecord. Severity is high (CVSS 7.5). A denial of service vulnerability present in ActiveRecord's PostgreSQL adapter <7.0.4.1 and <6.1.7.1. When a value outside the range for a 64bit signed integer is provided to the PostgreSQL connection adapter, it will treat the target colum

Q: How urgent is CVE-2022-44566?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2022-44566 is a high-severity flaw (CVSS 7.5) affecting activerecord. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A denial of service vulnerability present in ActiveRecord's PostgreSQL adapter <7.0.4.1 and <6.1.7.1. When a value outside the range for a 64bit signed integer is provided to the PostgreSQL connection adapter, it will treat the target column type as numeric. Comparing integer values against numeric values can result in a slow sequential scan resulting in potential Denial of Service.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-400
Published	2023-02-09
Last modified	2026-10-24

Publisher (CNA): HackerOne · Vendor: activerecord project

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-02-09 20:15 UTCPublished CVE record published
2026-10-24 13:10 UTCUpdated Record last modified

activerecord project activerecord UPGRADE

Affected: < 6.1.7.1 · >= 7.0.0 and < 7.0.4.1

Fixed in: 6.1.7.1, 7.0.4.1

Safe to downgrade to: a release before 7.0.0

1. Check installed version

apt-cache policy activerecord || rpm -q activerecord || activerecord --version

2. UPGRADE to 6.1.7.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade activerecord

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade activerecord

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 7.0.0 (Debian / Ubuntu)

apt-cache madison activerecord sudo apt install activerecord=<VERSION_BEFORE_7.0.0> sudo apt-mark hold activerecord

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list activerecord sudo dnf downgrade activerecord-<VERSION_BEFORE_7.0.0> sudo dnf versionlock add activerecord

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

RubyGems · activerecord · FIXED · 7.0.4.1 · vulnerable: >= 7.0.0, < 7.0.4.1 · source

bundle update activerecord bundle list | grep activerecord

Fedora 46 · gnome-shell-extension-tiling-assistant · FIXED · 56-1.fc46 · FEDORA-2026-ebf66a5321 · source

sudo dnf upgrade --advisory=FEDORA-2026-ebf66a5321

Debian 12 · rails · FIXED · 2:6.1.7.3+dfsg-1

sudo apt update && sudo apt install --only-upgrade rails dpkg --compare-versions "$(dpkg-query -W -f='${Version}' rails)" ge "2:6.1.7.3+dfsg-1" && echo PATCHED || echo STILL-VULNERABLE

Debian 13 · rails · FIXED · 2:6.1.7.3+dfsg-1

sudo apt update && sudo apt install --only-upgrade rails dpkg --compare-versions "$(dpkg-query -W -f='${Version}' rails)" ge "2:6.1.7.3+dfsg-1" && echo PATCHED || echo STILL-VULNERABLE

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-44566?

activerecord: upgrade to 6.1.7.1, 7.0.4.1. Exact commands for each OS are on this page.

Is CVE-2022-44566 being exploited?

CVE-2022-44566 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-44566 affect?

CVE-2022-44566 affects activerecord. Severity is high (CVSS 7.5). A denial of service vulnerability present in ActiveRecord's PostgreSQL adapter <7.0.4.1 and <6.1.7.1. When a value outside the range for a 64bit signed integer is provided to the PostgreSQL connection adapter, it will treat the target colum

How urgent is CVE-2022-44566?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PostgreSQL vulnerabilities

Related CVEs

CVE-2023-22794 HIGH 8.8 UPGRADE A vulnerability in ActiveRecord <6.0.6.1, v6.1.7.1 and v7.0.4.1 related to the sanitization of comments

References

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