# CVE-2026-2303: alloy: go.mongodb.org/mongo-driver: mongo-go-driver has Heap Out-of-Bounds Read in GSSAPI Error Handling

CVE-2026-2303 is fixed in 8 products on 1 platform, first by OPENSUSE-SU-2026:21276-1, released July 8, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-2303
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0031
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 8, 2026

## Description

go.mongodb.org/mongo-driver: mongo-go-driver has Heap Out-of-Bounds Read in GSSAPI Error Handling

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | alloy opensuse-leap 16.0 | 1.19.2-160000.1.1 | [OPENSUSE-SU-2026:22032-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22032-1.md) | Oct 6, 2026 |
| Linux | alloy sles 15.7 | 1.19.2-150700.15.29.1 | [SUSE-SU-2026:4408-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4408-1.md) | Oct 1, 2026 |
| Linux | alloy sles 16.0 | 1.19.2-160000.1.1 | [SUSE-SU-2026:24148-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24148-1.md) | Oct 6, 2026 |
| Linux | apptainer opensuse-leap 16.0 | 1.5.1-bp160.2.1 | [OPENSUSE-SU-2026:21276-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21276-1.md) | Jul 8, 2026 |
| Linux | apptainer sles 15.7 | 1.5.1-150600.4.29.1 | [SUSE-RU-2026:2815-1](https://patchblox.com/security/data/fix/linux/suse-ru-2026-2815-1.md) | Jul 9, 2026 |
| Linux | golang-github-prometheus-alertmanager opensuse-leap 16.0 | 0.33.1-bp160.1.1 | [OPENSUSE-SU-2026:22027-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22027-1.md) | Oct 6, 2026 |
| Linux | golang-github-prometheus-prometheus sles 15.7 | 3.13.2-150100.4.40.2 | [SUSE-SU-2026:4606-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4606-1.md) | Nov 7, 2026 |
| Linux | govulncheck-vulndb opensuse-leap 16.0 | 0.0.20260727T201416-160000.1.1 | [OPENSUSE-SU-2026:21551-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21551-1.md) | Aug 10, 2026 |
| Linux | govulncheck-vulndb sles 16.0 | 0.0.20260727T201416-160000.1.1 | [SUSE-SU-2026:23227-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23227-1.md) | Aug 10, 2026 |
| Linux | grafana opensuse-leap 16.0 | 12.4.10-bp160.1.1 | [OPENSUSE-SU-2026:22125-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22125-1.md) | Nov 7, 2026 |
| Linux | grafana sles 15.7 | 12.4.10-150200.3.94.3 | [SUSE-SU-2026:4600-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4600-1.md) | Nov 7, 2026 |
| Linux | squashfuse sles 15.7 | 0.5.0-150600.3.4.1 | [SUSE-RU-2026:2815-1](https://patchblox.com/security/data/fix/linux/suse-ru-2026-2815-1.md) | Jul 9, 2026 |
| Linux | system-user-grafana sles 15.7 | 1.0.0-150200.5.8.1 | [SUSE-SU-2026:4600-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4600-1.md) | Nov 7, 2026 |

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Data as of 2026-11-11T07:45:43Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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