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.
References
- https://access.redhat.com/errata/RHSA-2026:19009
- https://access.redhat.com/errata/RHSA-2026:19010
- https://access.redhat.com/errata/RHSA-2026:3730
- https://access.redhat.com/errata/RHSA-2026:3887
- https://access.redhat.com/errata/RHSA-2026:3896
- https://access.redhat.com/errata/RHSA-2026:4024
- https://access.redhat.com/errata/RHSA-2026:4059
- https://access.redhat.com/errata/RHSA-2026:4063
- https://access.redhat.com/errata/RHSA-2026:4064
- https://access.redhat.com/errata/RHSA-2026:4074
- https://access.redhat.com/errata/RHSA-2026:4075
- https://access.redhat.com/errata/RHSA-2026:4110
- https://access.redhat.com/errata/RHSA-2026:4254
- https://access.redhat.com/errata/RHSA-2026:4441
- https://access.redhat.com/errata/RHSA-2026:4475
- https://access.redhat.com/errata/RHSA-2026:4504
- https://access.redhat.com/errata/RHSA-2026:4505
- https://access.redhat.com/errata/RHSA-2026:4506
- https://access.redhat.com/errata/RHSA-2026:4509
- https://access.redhat.com/errata/RHSA-2026:4515
- https://access.redhat.com/errata/RHSA-2026:4516
- https://access.redhat.com/errata/RHSA-2026:4518
- https://access.redhat.com/errata/RHSA-2026:4524
- https://access.redhat.com/errata/RHSA-2026:4528
- https://access.redhat.com/errata/RHSA-2026:4544
- https://access.redhat.com/errata/RHSA-2026:4546
- https://access.redhat.com/errata/RHSA-2026:4547
- https://access.redhat.com/errata/RHSA-2026:4548
- https://access.redhat.com/errata/RHSA-2026:4943
- https://access.redhat.com/errata/RHSA-2026:8756
- https://access.redhat.com/security/cve/CVE-2026-2005
- https://bugzilla.redhat.com/show_bug.cgi?id=2439326
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2005.json
- https://www.postgresql.org/support/security/CVE-2026-2005/