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ALPINE-CVE-2021-3393

ALPINE-CVE-2021-3393 PUBLISHED CVSS 4.300000190734863 MEDIUM

An information leak was discovered in postgresql in versions before 13.2, before 12.6 and before 11.11. A user having UPDATE permission but not SELECT permission to a particular column could craft queries which, under some circumstances, might disclose values from that column in error messages. An attacker could use this flaw to obtain information stored in a column they are allowed to write but not read.

Risk Scores

CVSS v3.1
4.300000190734863
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Products

VendorProductVersions
Alpine:v3.16postgresql130, 0, 0
Alpine:v3.9postgresql0, 11.3-r0, 11.2-r0
Alpine:v3.20postgresql150, 0, 0
Alpine:v3.14postgresql9.1.2-r0, 9.1.1-r1, 9.1.1-r0
Alpine:v3.11postgresql9.6.0-r1, 9.5.3-r1, 9.5.2-r4
Alpine:v3.13postgresql12.3-r1, 12.3-r2, 12.4-r0
Alpine:v3.17postgresql140, 9.1.1-r2, 9.1.1-r1
Alpine:v3.18postgresql149.6.2-r1, 9.0.4-r0, 9.3.3-r2
Alpine:v3.17postgresql150, 0, 0
Alpine:v3.19postgresql150, 0, 0
Alpine:v3.12postgresql12.2-r3, 12.3-r0, 12.3-r1
Alpine:v3.15postgresql130, 0, 0
Alpine:v3.16postgresql149.5.4-r0, 9.6.5-r1, 9.6.5-r0
Alpine:v3.10postgresql8.4.1-r0, 8.4.0-r1, 9.1.5-r0
Alpine:v3.18postgresql150, 0, 0
Alpine:v3.15postgresql148.4.4-r0, 8.4.3-r3, 8.4.3-r2

Timeline

  • Apr 1, 2021 CVE Published
  • Nov 19, 2025 CVE Updated
  • Apr 30, 2026 Distribution Patch
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