CVE-2026-2005
PostgreSQL pgcrypto heap buffer overflow executes arbitrary code
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
| CWE | CWE-122 |
| Vendor | n/a |
| Product | postgresql |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 12, 2026 |
| Last Updated | Jul 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
n/a / PostgreSQL
18 < 18.2 17 < 17.8 16 < 16.12 15 < 15.16 0 < 14.21
References
postgresql.org: https://www.postgresql.org/support/security/CVE-2026-2005/ access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-2005 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2439326 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2005.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4441 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:3887 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19010 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19009 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4064 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4024 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4059 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4063 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4506 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4509 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4504 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4505 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4516 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4075 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4074 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4515 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4518 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4254 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4475 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4548 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4544 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4524 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4546 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4547 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4528 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:3896 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4110 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:3730 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8756 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4943
Credits
The PostgreSQL project thanks Team Xint Code, as part of zeroday.cloud, for reporting this problem.