CVE-2026-4427 (GCVE-0-2026-4427)
Vulnerability from cvelistv5 – Published: 2026-03-19 14:24 – Updated: 2026-03-23 07:48
VLAI?
Title
Github.com/jackc/pgproto3: pgproto3: denial of service via negative field length in datarow message
Summary
A flaw was found in pgproto3. A malicious or compromised PostgreSQL server can exploit this by sending a DataRow message with a negative field length. This input validation vulnerability can lead to a denial of service (DoS) due to a slice bounds out of range panic.
Severity ?
7.5 (High)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
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Impacted products
Date Public ?
2026-03-18 13:00
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}
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Sightings
| Author | Source | Type | Date |
|---|
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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