# CVE-2026-16461: Rpcbind: rpcbind: stack buffer overflow in rpcinfo rpcbdump() short-mode version-list formatting

CVE-2026-16461 is fixed in 3 products on 1 platform, first by OPENSUSE-SU-2026:21765-1, released September 6, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-16461
- Priority: Routine
- CVSS: 6.5 (Moderate)
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 25, 2026
- Weakness: Stack-based Buffer Overflow
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-16461

## Description

This update for rpcbind fixes the following issues:  - CVE-2026-16461: stack buffer overflow in rpcinfo rpcbdump() short-mode version-list formatting (bsc#1272340). - CVE-2026-94640: unbounded memory allocation in statistics tracking allows for unauthenticated remote denial of service   (bsc#1282326).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | rpcbind amzn 2023 | 1.2.6-0.amzn2023.0.3 | [ALAS2023-2026-3169](https://patchblox.com/security/data/fix/linux/alas2023-2026-3169.md) | Nov 7, 2026 |
| Linux | rpcbind opensuse-leap 16.0 | 1.2.9-160000.2.1 | [OPENSUSE-SU-2026:21765-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21765-1.md) | Sep 6, 2026 |
| Linux | rpcbind sles 15.6 | 0.2.3-150000.5.17.1 | [SUSE-SU-2026:4568-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4568-1.md) | Oct 7, 2026 |
| Linux | rpcbind sles 15.7 | 0.2.3-150000.5.17.1 | [SUSE-SU-2026:4568-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4568-1.md) | Oct 7, 2026 |
| Linux | rpcbind sles 16.0 | 1.2.9-160000.2.1 | [SUSE-SU-2026:23628-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23628-1.md) | Sep 6, 2026 |
| Linux | rpcbind-debuginfo amzn 2023 | 1.2.6-0.amzn2023.0.3 | [ALAS2023-2026-3169](https://patchblox.com/security/data/fix/linux/alas2023-2026-3169.md) | Nov 7, 2026 |
| Linux | rpcbind-debugsource amzn 2023 | 1.2.6-0.amzn2023.0.3 | [ALAS2023-2026-3169](https://patchblox.com/security/data/fix/linux/alas2023-2026-3169.md) | Nov 7, 2026 |

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Data as of 2026-11-10T07:50:38Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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