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Fencer Vulns
high 7.5

CVE-2017-7548 json

PostgreSQL versions before 9.4.13, 9.5.8 and 9.6.4 are vulnerable to authorization flaw allowing remote authenticated attackers with no pri…

published 2017-08-16 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16558

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

PostgreSQL versions before 9.4.13, 9.5.8 and 9.6.4 are vulnerable to authorization flaw allowing remote authenticated attackers with no privileges on a large object to overwrite the entire contents of the object, resulting in a denial of service.

Patch / fix

  • postgresql postgresql 9.4.13, 9.5.8, 9.6.4
  • postgresql-9.3 Ubuntu 14.04 LTS 9.3.18-0ubuntu0.14.04.1
  • postgresql-9.5 Ubuntu 16.04 LTS 9.5.8-0ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2017-7548

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • rh-postgresql94-postgresql RHEL 2 SOFTWARE_COLLECTIONS 9.4.14-1.el6
  • rh-postgresql94-postgresql RHEL 2 SOFTWARE_COLLECTIONS 9.4.14-1.el7
  • rh-postgresql94-postgresql-libs RHEL 2 SOFTWARE_COLLECTIONS 9.4.14-1.el6
  • rh-postgresql94-postgresql-libs RHEL 2 SOFTWARE_COLLECTIONS 9.4.14-1.el7
  • rh-postgresql94-postgresql-test RHEL 2 SOFTWARE_COLLECTIONS 9.4.14-1.el6
  • rh-postgresql94-postgresql-test RHEL 2 SOFTWARE_COLLECTIONS 9.4.14-1.el7
  • rh-postgresql94-postgresql-pltcl RHEL 2 SOFTWARE_COLLECTIONS 9.4.14-1.el6
  • rh-postgresql94-postgresql-pltcl RHEL 2 SOFTWARE_COLLECTIONS 9.4.14-1.el7

red hat advisories RHSA-2017:2678RHSA-2017:2677

  • postgresql96 SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for SAP 12 SP1 +9 more 9.6.4-3.6.1
  • postgresql96-libs SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for SAP 12 SP1 +11 more 9.6.4-3.6.1
  • postgresql94 SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for SAP 12 +6 more 9.4.13-21.5.1
  • postgresql94-libs SLE Software Development Kit 12 SP2 9.4.13-21.5.1
  • postgresql94 SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +2 more 9.4.13-0.23.5.1
  • postgresql94-libs SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 9.4.13-0.23.5.1
  • postgresql93 SLES for SAP 12, SLES 12-LTSS 9.3.18-25.5.1

suse advisories SUSE-SU-2017:2356-1SUSE-SU-2017:2355-1SUSE-SU-2017:2258-1SUSE-SU-2017:2236-1

  • postgresql Alpine 3.14, Alpine 3.13, Alpine 3.12 +7 more 9.6.4-r0
  • postgresql Alpine 3.3 9.4.13-r0
  • postgresql Alpine 3.4 9.5.8-r0
  • postgresql14 Alpine 3.20, Alpine 3.19, Alpine 3.18 +3 more 9.6.4-r0
  • postgresql15 Alpine 3.20, Alpine 3.19, Alpine 3.18 +1 more 9.6.4-r0

alpine advisories ALPINE-CVE-2017-7548

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • postgresql Arch Linux 9.6.4-1

arch linux advisories AVG-381

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-7548 updated cvss 5.4

postgresql: lo_put() function ignores ACLs

  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-postgresql95-postgresql 9.5.9-1.el6, rh-postgresql94-postgresql 9.4.14-1.el6, rh-postgresql95-postgresql-libs 9.5.9-1.el6, rh-postgresql95-postgresql-test 9.5.9-1.el6, rh-postgresql94-postgresql-libs 9.4.14-1.el6, rh-postgresql94-postgresql-test 9.4.14-1.el6, +11 more Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-postgresql95-postgresql 9.5.9-1.el7, rh-postgresql94-postgresql 9.4.14-1.el7, rh-postgresql95-postgresql-libs 9.5.9-1.el7, rh-postgresql95-postgresql-test 9.5.9-1.el7, rh-postgresql94-postgresql-libs 9.4.14-1.el7, rh-postgresql94-postgresql-test 9.4.14-1.el7, +11 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-postgresql95-postgresql 9.5.9-1.el6, rh-postgresql94-postgresql 9.4.14-1.el6, rh-postgresql95-postgresql-libs 9.5.9-1.el6, rh-postgresql95-postgresql-test 9.5.9-1.el6, rh-postgresql94-postgresql-libs 9.4.14-1.el6, rh-postgresql94-postgresql-test 9.4.14-1.el6, +11 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-postgresql95-postgresql 9.5.9-1.el7, rh-postgresql94-postgresql 9.4.14-1.el7, rh-postgresql95-postgresql-libs 9.5.9-1.el7, rh-postgresql95-postgresql-test 9.5.9-1.el7, rh-postgresql94-postgresql-libs 9.4.14-1.el7, rh-postgresql94-postgresql-test 9.4.14-1.el7, +11 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-postgresql95-postgresql 9.5.9-1.el6, rh-postgresql94-postgresql 9.4.14-1.el6, rh-postgresql95-postgresql-libs 9.5.9-1.el6, rh-postgresql95-postgresql-test 9.5.9-1.el6, rh-postgresql94-postgresql-libs 9.4.14-1.el6, rh-postgresql94-postgresql-test 9.4.14-1.el6, +11 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-postgresql95-postgresql 9.5.9-1.el7, rh-postgresql94-postgresql 9.4.14-1.el7, rh-postgresql95-postgresql-libs 9.5.9-1.el7, rh-postgresql95-postgresql-test 9.5.9-1.el7, rh-postgresql94-postgresql-libs 9.4.14-1.el7, rh-postgresql94-postgresql-test 9.4.14-1.el7, +11 more
    fixed: vendor fix RHSA-2017:2678
  • Red Hat CloudForms Management Engine 5 rh-postgresql94-postgresql, rh-postgresql95-postgresql Red Hat Enterprise Linux 5 postgresql, postgresql84 Red Hat Enterprise Linux 6 postgresql, postgresql-libs, postgresql-test, postgresql-pltcl, postgresql-plperl, postgresql-server, +2 more Red Hat Enterprise Linux 7 postgresql, postgresql-libs, postgresql-test, postgresql-pltcl, postgresql-plperl, postgresql-server, +3 more Red Hat Satellite 5 postgresql92-postgresql
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.52% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

  • PostgreSQL postgresql

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.