Description
Buffer overflow in parallel HNSW index build in pgvector 0.6.0 through 0.8.1 allows a database user to leak sensitive data from other relations or crash the database server.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | pgvector | 0.8.0 – < 0.8.2, 0.7.0, 0.6.0 | 0.8.2 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | pgvector | 0.8.2-1 | — |
| Debian 13 | pgvector | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | pgvector | No fix yet | — |
| Ubuntu 26.04 LTS | pgvector | No fix yet | — |
| Ubuntu 25.10 | pgvector | No fix yet | — |
| Ubuntu 24.04 LTS | pgvector | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | pgvector +3 | 0.8.2-150600.13.9.1 | SUSE-SU-2026:1068-1 |
| SLES 15 SP6 | pgvector +3 | 0.8.2-150600.13.9.1 | SUSE-SU-2026:1068-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | pgvector +6 | 0.8.2-160000.1.1 | SUSE-SU-2026:21153-1 |
| SLES for SAP 15 SP6 | pgvector +3 | 0.8.2-150600.13.9.1 | SUSE-SU-2026:1068-1 |
| SLES 16.0 | pgvector +6 | 0.8.2-160000.1.1 | SUSE-SU-2026:21153-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | pgvector | 0.8.2-1.1 | openSUSE-SU-2026:10409-1 |
| openSUSE Leap 16.0 | pgvector +6 | 0.8.2-160000.1.1 | openSUSE-SU-2026:20489-1 |
| openSUSE Leap 15.6 | pgvector +6 | 0.8.2-150600.13.9.1 | SUSE-SU-2026:1068-1 |
Advisories 4
- openSUSE-SU-2026:20489-1 Security update for pgvector SUSE / openSUSE Security Updates · Apr 22, 2026
- SUSE-SU-2026:21153-1 Security update for pgvector SUSE / openSUSE Security Updates · Apr 22, 2026
- SUSE-SU-2026:1068-1 Security update for pgvector SUSE / openSUSE Security Updates · Mar 27, 2026
- openSUSE-SU-2026:10409-1 pgvector-devel-0.8.2-1.1 on GA media SUSE / openSUSE Security Updates · Mar 24, 2026