CVE-2022-28946: Out of bounds memory access in github.com/open-policy-agent/opa

May 20, 2022 (updated May 25, 2022)

An issue in the component ast/parser.go of Open Policy Agent v0.39.0 causes the application to incorrectly interpret every expression, causing a Denial of Service (DoS) via triggering out-of-range memory access.

References

github.com/advisories/GHSA-x7f3-62pm-9p38
github.com/open-policy-agent/opa/commit/e9d3828db670cbe11129885f37f08cbf04935264
nvd.nist.gov/vuln/detail/CVE-2022-28946

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