PT-2026-26292 · Pgproto3+1 · Pgproto3+1

Athuljayaram · Publicado 2026-01-01 · Atualizado 2026-05-04 · CVE-2026-4427

Positive Technologies (AI Summary)

CVSS v3.1

7.5

Alta

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions pgproto3 (affected versions not specified)

Description A flaw exists in pgproto3 where a malicious or compromised PostgreSQL server can send a DataRow message containing a negative field length. This input validation issue can cause a denial of service (DoS) due to a slice bounds out of range panic.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Improper Validation of Array Index

Enumeração de Fraquezas

CWE-129

Identificadores relacionados

CLEANSTART-2026-PW57640

CVE-2026-4427

GHSA-X6GF-MPR2-68H6

OPENSUSE-SU-2026:10669-1

OPENSUSE-SU-2026:10684-1

RHSA-2026:22450

RHSA-2026:22714

Produtos afetados

Rocky Linux

Pgproto3

Referências · 65

• https://github.com/jackc/pgx/issues/2507 · Nota
• https://github.com/golang/vulndb/issues/4518 · Nota
• https://github.com/jackc/pgproto3 · Nota
• https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-PW57640.json · Nota
• https://osv.dev/vulnerability/ghsa-p77j-4mvh-x3m3 · Nota
• https://twitter.com/CVEnew/status/2036024207298236570 · Publicação no Twitter
• https://osv.dev/vulnerability/CVE-2026-26958 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-1229 · Nota de Segurança
• https://osv.dev/vulnerability/openSUSE-SU-2026:10684-1 · Aviso do Fabricante
• https://securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgx · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-33186 · Nota de Segurança
• https://osv.dev/vulnerability/ghsa-jqcq-xjh3-6g23 · Nota
• https://security-tracker.debian.org/tracker/CVE-2026-4427 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2026-27142 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2025-61732 · Nota