Public proof of conceptFix available

CVE-2018-1058

Q: Is CVE-2018-1058 actively exploited?

Active exploitation of CVE-2018-1058 has not been confirmed. Its EPSS score was 13.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2018-1058?

CVE-2018-1058 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2018-03-02
Fixed in10.3 · 9.6.8 · 9.5.12 · 9.4.17 · 9.3.22
WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A flaw was found in the way Postgresql allowed a user to modify the behavior of a query for other users. An attacker with a user account could use this flaw to execute code with the permissions of superuser in the database. Versions 9.3 through 10 are affected.

Timeline

dates in UTC

2018-03-0215:29CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-1058?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-1058?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

PostgreSQL

Branch	Affected	Fixed in	Source
10.x	≥ 10.0, < 10.3	10.3	NVD
9.6	≥ 9.6, < 9.6.8	9.6.8	NVD
9.5	≥ 9.5, < 9.5.12	9.5.12	NVD
9.4	≥ 9.4, < 9.4.17	9.4.17	NVD
9.3	≥ 9.3, < 9.3.22	9.3.22	NVD

Canonical ubuntu linux

Branch	Affected	Fixed in	Source
14.4	= 14.04	no fix published	NVD
16.4	= 16.04	no fix published	NVD
17.10	= 17.10	no fix published	NVD

Redhat cloudforms

Branch	Affected	Fixed in	Source
4.6	= 4.6	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update PostgreSQL to 10.3 · 9.6.8 · 9.5.12 · 9.4.17 · 9.3.22

Advisories and patches

www.postgresql.orgVendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 2 repositories, unverifiedccchme/CVE-2018-1058mthamil107/DB_Audit_Research

Sources

NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.06.5read 2026-10-23
CNAweakness (CWE)CWE-20read 2026-10-23
FIRST EPSSEPSS score13.1 %read 2026-10-23
PoC-in-GitHubproof of concept2read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2018-03-02
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-1058?

Is CVE-2018-1058 actively exploited?

Active exploitation of CVE-2018-1058 has not been confirmed. Its EPSS score was 13.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-1058?

CVE-2018-1058 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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