CVE-2026-2006
high
CVSS v3
—
CVSS v4 NEW
—
VIR risk
8.0
Description
RHSA-2026:4064: postgresql:12 security update (Important)
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
Source: Red Hat Errata — Red Hat Inc. · View original ↗ · Open-Errata-API
Description postgresql: PostgreSQL missing validation of multibyte character length executes arbitrary code Red Hat statement Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. CVSS v3: 8.8…
Workaround
for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Description
postgresql: PostgreSQL missing validation of multibyte character length executes arbitrary code
Red Hat statement
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS v3: 8.8 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Errata / fixed releases
| Product | Package | Advisory | Released |
|---|---|---|---|
| Red Hat Enterprise Linux 10 | postgresql16-0:16.13-1.el10_1 | RHSA-2026:3887 | 2026-03-05T00:00:00Z |
| Red Hat Enterprise Linux 10 | postgresql18-0:18.3-1.el10_2 | RHSA-2026:19009 | 2026-05-19T00:00:00Z |
| Red Hat Enterprise Linux 10 | postgresql16-0:16.13-1.el10_2 | RHSA-2026:19010 | 2026-05-19T00:00:00Z |
| Red Hat Enterprise Linux 10.0 Extended Update Support | postgresql16-0:16.13-1.el10_0 | RHSA-2026:4441 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 8 | postgresql:13-8100020260227180702.489197e6 | RHSA-2026:4024 | 2026-03-09T00:00:00Z |
| Red Hat Enterprise Linux 8 | postgresql:15-8100020260227221316.489197e6 | RHSA-2026:4059 | 2026-03-09T00:00:00Z |
| Red Hat Enterprise Linux 8 | postgresql:16-8100020260227221401.489197e6 | RHSA-2026:4063 | 2026-03-09T00:00:00Z |
| Red Hat Enterprise Linux 8 | postgresql:12-8100020260302082007.489197e6 | RHSA-2026:4064 | 2026-03-09T00:00:00Z |
| Red Hat Enterprise Linux 8.2 Advanced Update Support | postgresql:12-8020020260309120440.4cda2c84 | RHSA-2026:4506 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | postgresql:13-8040020260305144728.522a0ee4 | RHSA-2026:4504 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | postgresql:12-8040020260306101701.522a0ee4 | RHSA-2026:4509 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | postgresql:13-8040020260305144728.522a0ee4 | RHSA-2026:4504 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | postgresql:12-8040020260306101701.522a0ee4 | RHSA-2026:4509 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | postgresql:12-8060020260306113941.ad008a3a | RHSA-2026:4505 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | postgresql:13-8060020260309111524.ad008a3a | RHSA-2026:4516 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | postgresql:12-8060020260306113941.ad008a3a | RHSA-2026:4505 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | postgresql:13-8060020260309111524.ad008a3a | RHSA-2026:4516 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | postgresql:12-8060020260306113941.ad008a3a | RHSA-2026:4505 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | postgresql:13-8060020260309111524.ad008a3a | RHSA-2026:4516 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service | postgresql:13-8080020260302123717.63b34585 | RHSA-2026:4074 | 2026-03-09T00:00:00Z |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service | postgresql:12-8080020260302123049.63b34585 | RHSA-2026:4075 | 2026-03-09T00:00:00Z |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | postgresql:13-8080020260302123717.63b34585 | RHSA-2026:4074 | 2026-03-09T00:00:00Z |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | postgresql:12-8080020260302123049.63b34585 | RHSA-2026:4075 | 2026-03-09T00:00:00Z |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | postgresql:15-8080020260306092921.63b34585 | RHSA-2026:4515 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 9 | postgresql-0:13.23-2.el9_7 | RHSA-2026:3730 | 2026-03-04T00:00:00Z |
| Red Hat Enterprise Linux 9 | postgresql:15-9070020260227094950.rhel9 | RHSA-2026:3896 | 2026-03-05T00:00:00Z |
| Red Hat Enterprise Linux 9 | postgresql:16-9070020260227095951.rhel9 | RHSA-2026:4110 | 2026-03-09T00:00:00Z |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | postgresql-0:13.23-1.el9_0.1 | RHSA-2026:4518 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | postgresql:15-9020020260309133405.rhel9 | RHSA-2026:4254 | 2026-03-11T00:00:00Z |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | postgresql-0:13.23-1.el9_2.1 | RHSA-2026:4475 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 9.4 Extended Update Support | postgresql-0:13.23-1.el9_4.1 | RHSA-2026:4524 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 9.4 Extended Update Support | postgresql:16-9040020260306102041.rhel9 | RHSA-2026:4544 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 9.4 Extended Update Support | postgresql:15-9040020260305163703.rhel9 | RHSA-2026:4548 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 9.6 Extended Update Support | postgresql-0:13.23-1.el9_6.1 | RHSA-2026:4528 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 9.6 Extended Update Support | postgresql:15-9060020260309125703.rhel9 | RHSA-2026:4546 | 2026-03-12T00:00:00Z |
| Red Hat Enterprise Linux 9.6 Extended Update Support | postgresql:16-9060020260305153549.rhel9 | RHSA-2026:4547 | 2026-03-12T00:00:00Z |
| Red Hat Hardened Images | postgresql18-main-18.3-1.2.hum1 | RHSA-2026:8756 | 2026-04-17T00:00:00Z |
| Red Hat Update Infrastructure 5 | rhui5/rhua-rhel9:1773670137 | RHSA-2026:4943 | 2026-03-18T00:00:00Z |
Package state
| Product | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 6 | postgresql | Out of support scope |
| Red Hat Enterprise Linux 7 | postgresql | Out of support scope |
| Red Hat Enterprise Linux 9 | postgresql:18/postgresql | Affected |
Apply commands
Apply RHSA-2026:3887 for Red Hat Enterprise Linux 10
yum update -y postgresql16
# or:
dnf upgrade -y postgresql16Affected
| Vendor | Product | Version |
|---|---|---|
| redhat | Red Hat Enterprise Linux 9 | Affected |
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rocky | 8 | fixed | |
| rhel | 9 | fixed | |
| sles | affected | | |
| rocky | 9 | fixed | |
| debian | bookworm | fixed | 15.16-0+deb12u1 |
| debian | forky | fixed | 18.2-1 |
| debian | sid | fixed | 18.2-1 |
| debian | bullseye | fixed | 13.23-0+deb11u2 |
| debian | trixie | fixed | 17.8-0+deb13u1 |
| almalinux | 9 | fixed | postgresql-upgrade-13.23-2.el9_7.aarch64.rpm |
| rhel | 8 | fixed | |
References
- https://errata.rockylinux.org/RLSA-2026:4063
- https://errata.rockylinux.org/RLSA-2026:4059
- https://errata.rockylinux.org/RLSA-2026:4064
- https://errata.rockylinux.org/RLSA-2026:4024
- https://access.redhat.com/errata/RHSA-2026:3730
- https://access.redhat.com/errata/RHSA-2026:3896
- https://access.redhat.com/errata/RHSA-2026:4110
- https://www.suse.com/security/cve/CVE-2026-2006.html
- https://errata.rockylinux.org/RLSA-2026:4110
- https://errata.rockylinux.org/RLSA-2026:3896
- https://errata.rockylinux.org/RLSA-2026:3730
- https://security-tracker.debian.org/tracker/CVE-2026-2006
- https://access.redhat.com/errata/RHSA-2026:4024
- https://bugzilla.redhat.com/2439324
- https://bugzilla.redhat.com/2439325
- https://bugzilla.redhat.com/2439326
- https://errata.almalinux.org/8/ALSA-2026-4024.html
- https://access.redhat.com/errata/RHSA-2026:4059
- https://errata.almalinux.org/8/ALSA-2026-4059.html
- https://access.redhat.com/errata/RHSA-2026:4063
- https://errata.almalinux.org/8/ALSA-2026-4063.html
- https://access.redhat.com/errata/RHSA-2026:4064
- https://errata.almalinux.org/8/ALSA-2026-4064.html
- https://errata.almalinux.org/9/ALSA-2026-3896.html
- https://errata.almalinux.org/9/ALSA-2026-3730.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.