# ALAS2023-2026-3140: runfinch-finch security update

ALAS2023-2026-3140, released September 28, 2026, fixes 11 CVEs in runfinch-finch (version 1.19.0-1.amzn2023.0.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alas2023-2026-3140
- Platform: Linux
- Released: Sep 28, 2026
- Priority: High (Closes CVE-2026-75593, high severity)
- CVEs: 11, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2026-3140.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [runfinch-finch](https://patchblox.com/security/data/product/linux/runfinch-finch.md) | amzn 2023 | 1.19.0-1.amzn2023.0.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-75593](https://patchblox.com/security/data/cve/CVE-2026-75593.md) | High | BuildKit: Malicious client can bypass destination directory validation on local sources upload | n/a | 0.0054 |  |
| [CVE-2026-56855](https://patchblox.com/security/data/cve/CVE-2026-56855.md) | High | Prevent DoS on deadlocked established channel in golang.org/x/crypto/ssh | 7.5 | 0.0050 |  |
| [CVE-2026-17106](https://patchblox.com/security/data/cve/CVE-2026-17106.md) | High | Tar extraction in moby/go-archive can write outside the destination directory via link following | 8.8 | 0.0044 |  |
| [CVE-2026-78662](https://patchblox.com/security/data/cve/CVE-2026-78662.md) | High | Prevent DoS on deadlocked undecided channel in golang.org/x/crypto/ssh | 7.5 | 0.0043 |  |
| [CVE-2026-15789](https://patchblox.com/security/data/cve/CVE-2026-15789.md) | High | buildah: ELSA-2026-70640: buildah security update (IMPORTANT) | 8.1 | 0.0031 |  |
| [CVE-2026-15791](https://patchblox.com/security/data/cve/CVE-2026-15791.md) | High | runfinch-finch: A crafted message in the BuildKit low-level build API can be used to remove the contents of the /tmp directory | n/a | 0.0025 |  |
| [CVE-2026-15792](https://patchblox.com/security/data/cve/CVE-2026-15792.md) | High | runfinch-finch: A malicious BuildKit client or frontend could craft a request that could lead to BuildKit daemon crashing with a panic. | n/a | 0.0024 |  |
| [CVE-2026-15793](https://patchblox.com/security/data/cve/CVE-2026-15793.md) | High | runfinch-finch: BuildKit custom frontends or clients using the raw low-level API can set git.checkoutbundle=true when checking out Gi... | n/a | 0.0020 |  |
| [CVE-2026-61712](https://patchblox.com/security/data/cve/CVE-2026-61712.md) | Routine | BuildKit: Possible runtime DoS via unbounded group parsing | n/a | 0.0040 |  |
| [CVE-2026-61711](https://patchblox.com/security/data/cve/CVE-2026-61711.md) | Routine | BuildKit: Custom frontend could bypass Seccomp/AppArmor | n/a | 0.0036 |  |
| [CVE-2026-47262](https://patchblox.com/security/data/cve/CVE-2026-47262.md) | Routine | containerd: Denial of Service (DoS) condition via a maliciously crafted image (bsc#1268441). | 5.5 | 0.0027 |  |

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Data as of 2026-11-11T13:47:35Z 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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