CVE-2026-33815 (GCVE-0-2026-33815)
Vulnerability from cvelistv5 – Published: 2026-04-07 15:19 – Updated: 2026-06-30 03:20
VLAI
Title
CVE-2026-33815 in github.com/jackc/pgx
Summary
Memory-safety vulnerability in github.com/jackc/pgx/v5.
Severity
9.8 (Critical)
8.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-129 — Improper Validation of Array Index
- CWE-787 - Out-of-bounds Write
Assigner
References
17 references
Impacted products
26 products
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"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 9.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-33815\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-04-09T14:21:42.714758Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-04-09T14:23:19.769Z\"}}], \"cna\": {\"title\": \"CVE-2026-33815 in github.com/jackc/pgx\", \"affected\": [{\"vendor\": \"github.com/jackc/pgx/v5\", \"product\": \"github.com/jackc/pgx/v5/pgproto3\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"5.9.0\", \"versionType\": \"semver\"}], \"packageName\": \"github.com/jackc/pgx/v5/pgproto3\", \"collectionURL\": \"https://pkg.go.dev\", \"defaultStatus\": \"unaffected\", \"programRoutines\": [{\"name\": \"Bind.Decode\"}, {\"name\": \"Backend.Receive\"}]}], \"references\": [{\"url\": \"https://pkg.go.dev/vuln/GO-2026-4771\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Memory-safety vulnerability in github.com/jackc/pgx/v5.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"CWE-129 \\u2014 Improper Validation of Array Index\"}]}], \"providerMetadata\": {\"orgId\": \"1bb62c36-49e3-4200-9d77-64a1400537cc\", \"shortName\": \"Go\", \"dateUpdated\": \"2026-04-17T18:30:29.157Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-33815\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-14T16:04:02.725Z\", \"dateReserved\": \"2026-03-23T20:35:32.814Z\", \"assignerOrgId\": \"1bb62c36-49e3-4200-9d77-64a1400537cc\", \"datePublished\": \"2026-04-07T15:19:24.344Z\", \"assignerShortName\": \"Go\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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