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Fencer Vulns
high 7.5

CVE-2022-33082 json

Denial of service in Open Policy Agent

published 2022-06-30 4 y ago modified 2026-09-10 1 mo ago also GHSA-2m4x-4q9j-w97g , GO-2022-0574 , EUVD-2022-6209

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

An issue in the AST parser (ast/compile.go) of Open Policy Agent v0.10.2 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Patch / fix

  • go github.com/open-policy-agent/opa 0.42.0
  • openpolicyagent open_policy_agent 0.42.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-33082 updated cvss 7.5

open-policy-agent: possible DoS via crafted input

  • Red Hat Advanced Cluster Security 3 advanced-cluster-security/rhacs-main-rhel8
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Container Platform 4 openshift4/cnf-tests-rhel8, openshift4/ztp-site-generate-rhel8
    affected: no fix available, no fix planned “Will not fix”
  • Red Hat Logging Subsystem for Red Hat OpenShift openshift-logging/opa-openshift-rhel8, openshift-logging/lokistack-gateway-rhel8 Red Hat Advanced Cluster Security 3 advanced-cluster-security/rhacs-scanner-rhel8 Red Hat Advanced Cluster Security 4 advanced-cluster-security/rhacs-main-rhel8 Red Hat OpenShift Container Platform 4 openshift-security-profiles-operator-container
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.73% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/open-policy-agent/opa/blob/598176de326025451025225aca53e85708d5f1db/ast/compile.go#L1224 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
go github.com/open-policy-agent/opa
<0.42.0
0.42.0

Classification

Weakness
  • CWE-703 Improper Check or Handling of Exceptional Conditions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.