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TI-2025-03741 Aliases CVE-2025-4207GHSA-6x46-2273-xjjf

PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation

Priority LOW 28CWE-126Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 3 fixed, 5 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-126 and the CVSS impact.

Summary

Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00758 55th percentileScored 2026-11-07
Fix Partial PostgreSQL: 17.5, 16.9, 15.13 +2Red Hat: 6 advisoriesRed Hat: 3 fixed, 5 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—PostgreSQL17 to before 17.5; 16 to before 16.9; 15 to before 15.13; 14 to before 14.18; before 13.2117.5, 16.9, 15.13, 14.18, 13.21Patch availableCNA
  • PostgreSQL Vendor— Affected 17 to before 17.5; 16 to before 16.9; 15 to before 15.13; 14 to before 14.18; before 13.21 Fixed in 17.5, 16.9, 15.13, 14.18, 13.21 Patch available CNA

Remediation

  • Fix · CNA PostgreSQL Fixed in 17.5, 16.9, 15.13, 14.18, 13.21

Red Hat 6 advisories

  • RHSA-2025:15022 Released 2025-09-02 · Red Hat rating Important
    postgresql:15 security update
    • Red Hat Enterprise Linux AppStream (v. 8) pg_repack-1.4.8-1.module+el8.9.0+19797+c4ce5969.aarch64::postgresql:15, pg_repack-1.4.8-1.module+el8.9.0+19797+c4ce5969.ppc64le::postgresql:15, pg_repack-1.4.8-1.module+el8.9.0+19797+c4ce5969.s390x::postgresql:15 +47
  • RHSA-2025:15021 Released 2025-09-02 · Red Hat rating Important
    postgresql:13 security update
    • Red Hat Enterprise Linux AppStream (v. 8) pg_repack-1.4.6-3.module+el8.9.0+20664+9c30cf7f.aarch64::postgresql:13, pg_repack-1.4.6-3.module+el8.9.0+20664+9c30cf7f.ppc64le::postgresql:13, pg_repack-1.4.6-3.module+el8.9.0+20664+9c30cf7f.s390x::postgresql:13 +47
  • RHSA-2025:14899 Released 2025-08-28 · Red Hat rating Important
    postgresql:16 security update
    • Red Hat Enterprise Linux AppStream (v. 8) pg_repack-1.5.1-1.module+el8.10.0+22551+c0330dc9.aarch64::postgresql:16, pg_repack-1.5.1-1.module+el8.10.0+22551+c0330dc9.ppc64le::postgresql:16, pg_repack-1.5.1-1.module+el8.10.0+22551+c0330dc9.s390x::postgresql:16 +47
Show 3 more Red Hat advisories
  • RHSA-2025:14862 Released 2025-08-28 · Red Hat rating Important
    postgresql:15 security update
    • Red Hat Enterprise Linux AppStream (v. 9) pg_repack-1.4.8-2.module+el9.5.0+22224+f5585c78.aarch64::postgresql:15, pg_repack-1.4.8-2.module+el9.5.0+22224+f5585c78.ppc64le::postgresql:15, pg_repack-1.4.8-2.module+el9.5.0+22224+f5585c78.s390x::postgresql:15 +47
  • RHSA-2025:14827 Released 2025-08-28 · Red Hat rating Important
    postgresql:16 security update
    • Red Hat Enterprise Linux AppStream (v. 9) pg_repack-1.5.1-1.module+el9.6.0+22880+6b241eec.aarch64::postgresql:16, pg_repack-1.5.1-1.module+el9.6.0+22880+6b241eec.ppc64le::postgresql:16, pg_repack-1.5.1-1.module+el9.6.0+22880+6b241eec.s390x::postgresql:16 +47
  • RHSA-2025:14826 Released 2025-08-28 · Red Hat rating Important
    postgresql16 security update
    • Red Hat Enterprise Linux AppStream (v. 10) postgresql-16.10-1.el10_0, postgresql-contrib-16.10-1.el10_0, postgresql-docs-16.10-1.el10_0 +12
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) postgresql-test-rpm-macros-16.10-1.el10_0

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2025:14826
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2025:14899, RHSA-2025:15021, RHSA-2025:15022
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:14827, RHSA-2025:14862
Not affected: 2 products
  • Red Hat Enterprise Linux AppStream (v. 10)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-4207
  2. 2026-10-03 Alias added: GHSA-6x46-2273-xjjf

References

Other 1

Sources

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