# CVE-2026-3888: snapd: snapd - security update

CVE-2026-3888 is fixed in 9 products on 1 platform, first by golang-github-snapcore-snapd-dev 2.61.4ubuntu0.18.04.1+esm2, released March 17, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-3888
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0141
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 17, 2026

## Description

snapd - security update

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | golang-github-snapcore-snapd-dev Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm2 | [golang-github-snapcore-snapd-dev 2.61.4ubuntu0.18.04.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-golang-github-snapcore-snapd-dev-2.61.4ubuntu0.18.04.1-esm2.md) | Mar 17, 2026 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 20.04 LTS (focal) | 2.67.1+20.04ubuntu1~esm1 | [golang-github-snapcore-snapd-dev 2.67.1+20.04ubuntu1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-golang-github-snapcore-snapd-dev-2.67.1-20.04ubuntu1-esm1.md) | Mar 17, 2026 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 22.04.1 LTS (jammy) | 2.73+ubuntu22.04.1 | [golang-github-snapcore-snapd-dev 2.73+ubuntu22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-golang-github-snapcore-snapd-dev-2.73-ubuntu22.04.1.md) | Mar 17, 2026 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 24.04.5 LTS (noble) | 2.73+ubuntu24.04.2 | [golang-github-snapcore-snapd-dev 2.73+ubuntu24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-golang-github-snapcore-snapd-dev-2.73-ubuntu24.04.2.md) | Mar 17, 2026 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 25.10 (questing) | 2.73+ubuntu25.10.1 | [golang-github-snapcore-snapd-dev 2.73+ubuntu25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-golang-github-snapcore-snapd-dev-2.73-ubuntu25.10.1.md) | Mar 17, 2026 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 26.04.1 LTS (resolute) | 2.74.1+ubuntu26.04.3 | [golang-github-snapcore-snapd-dev 2.74.1+ubuntu26.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-golang-github-snapcore-snapd-dev-2.74.1-ubuntu26.04.3.md) | Mar 17, 2026 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm2 | [golang-github-ubuntu-core-snappy-dev 2.61.4ubuntu0.18.04.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-golang-github-ubuntu-core-snappy-dev-2.61.4ubuntu0.18.04.1-esm2.md) | Mar 17, 2026 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 20.04 LTS (focal) | 2.67.1+20.04ubuntu1~esm1 | [golang-github-ubuntu-core-snappy-dev 2.67.1+20.04ubuntu1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-golang-github-ubuntu-core-snappy-dev-2.67.1-20.04ubuntu1-esm1.md) | Mar 17, 2026 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 22.04.1 LTS (jammy) | 2.73+ubuntu22.04.1 | [golang-github-ubuntu-core-snappy-dev 2.73+ubuntu22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-golang-github-ubuntu-core-snappy-dev-2.73-ubuntu22.04.1.md) | Mar 17, 2026 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 24.04.5 LTS (noble) | 2.73+ubuntu24.04.2 | [golang-github-ubuntu-core-snappy-dev 2.73+ubuntu24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-golang-github-ubuntu-core-snappy-dev-2.73-ubuntu24.04.2.md) | Mar 17, 2026 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 25.10 (questing) | 2.73+ubuntu25.10.1 | [golang-github-ubuntu-core-snappy-dev 2.73+ubuntu25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-golang-github-ubuntu-core-snappy-dev-2.73-ubuntu25.10.1.md) | Mar 17, 2026 |
| Linux | snap-confine Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm2 | [snap-confine 2.61.4ubuntu0.18.04.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snap-confine-2.61.4ubuntu0.18.04.1-esm2.md) | Apr 15, 2026 |
| Linux | snap-confine Ubuntu 20.04 LTS (focal) | 2.67.1+20.04ubuntu1~esm1 | [snap-confine 2.67.1+20.04ubuntu1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snap-confine-2.67.1-20.04ubuntu1-esm1.md) | Apr 15, 2026 |
| Linux | snap-confine Ubuntu 22.04.1 LTS (jammy) | 2.73+ubuntu22.04.1 | [snap-confine 2.73+ubuntu22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snap-confine-2.73-ubuntu22.04.1.md) | Apr 15, 2026 |
| Linux | snap-confine Ubuntu 24.04.5 LTS (noble) | 2.73+ubuntu24.04.2 | [snap-confine 2.73+ubuntu24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-snap-confine-2.73-ubuntu24.04.2.md) | Apr 15, 2026 |
| Linux | snap-confine Ubuntu 25.10 (questing) | 2.73+ubuntu25.10.1 | [snap-confine 2.73+ubuntu25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-snap-confine-2.73-ubuntu25.10.1.md) | Apr 15, 2026 |
| Linux | snapd Debian 12.15 (bookworm) | 2.57.6-1+deb12u1 | [DSA-6170-1](https://patchblox.com/security/data/fix/linux/dsa-6170-1.md) | Mar 19, 2026 |
| Linux | snapd Debian 13.5 (trixie) | 2.68.3-3+deb13u1 | [DSA-6170-1](https://patchblox.com/security/data/fix/linux/dsa-6170-1.md) | Mar 19, 2026 |
| Linux | snapd Debian 14 | 2.76-1 | [DEBIAN-CVE-2026-3888](https://patchblox.com/security/data/fix/linux/debian-cve-2026-3888.md) | Mar 17, 2026 |
| Linux | snapd Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm2 | [snapd 2.61.4ubuntu0.18.04.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapd-2.61.4ubuntu0.18.04.1-esm2.md) | Apr 15, 2026 |
| Linux | snapd Ubuntu 20.04 LTS (focal) | 2.67.1+20.04ubuntu1~esm1 | [snapd 2.67.1+20.04ubuntu1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snapd-2.67.1-20.04ubuntu1-esm1.md) | Apr 15, 2026 |
| Linux | snapd Ubuntu 22.04.1 LTS (jammy) | 2.73+ubuntu22.04.1 | [snapd 2.73+ubuntu22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snapd-2.73-ubuntu22.04.1.md) | Apr 15, 2026 |
| Linux | snapd Ubuntu 24.04.5 LTS (noble) | 2.73+ubuntu24.04.2 | [snapd 2.73+ubuntu24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-snapd-2.73-ubuntu24.04.2.md) | Apr 15, 2026 |
| Linux | snapd Ubuntu 25.10 (questing) | 2.73+ubuntu25.10.1 | [snapd 2.73+ubuntu25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-snapd-2.73-ubuntu25.10.1.md) | Apr 15, 2026 |
| Linux | snapd Ubuntu 26.04.1 LTS (resolute) | 2.74.1+ubuntu26.04.3 | [snapd 2.74.1+ubuntu26.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-snapd-2.74.1-ubuntu26.04.3.md) | Mar 17, 2026 |
| Linux | snapd-xdg-open Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm2 | [snapd-xdg-open 2.61.4ubuntu0.18.04.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapd-xdg-open-2.61.4ubuntu0.18.04.1-esm2.md) | Apr 15, 2026 |
| Linux | snapd-xdg-open Ubuntu 20.04 LTS (focal) | 2.67.1+20.04ubuntu1~esm1 | [snapd-xdg-open 2.67.1+20.04ubuntu1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snapd-xdg-open-2.67.1-20.04ubuntu1-esm1.md) | Apr 15, 2026 |
| Linux | snapd-xdg-open Ubuntu 22.04.1 LTS (jammy) | 2.73+ubuntu22.04.1 | [snapd-xdg-open 2.73+ubuntu22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snapd-xdg-open-2.73-ubuntu22.04.1.md) | Apr 15, 2026 |
| Linux | snapd-xdg-open Ubuntu 24.04.5 LTS (noble) | 2.73+ubuntu24.04.2 | [snapd-xdg-open 2.73+ubuntu24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-snapd-xdg-open-2.73-ubuntu24.04.2.md) | Apr 15, 2026 |
| Linux | snapd-xdg-open Ubuntu 25.10 (questing) | 2.73+ubuntu25.10.1 | [snapd-xdg-open 2.73+ubuntu25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-snapd-xdg-open-2.73-ubuntu25.10.1.md) | Apr 15, 2026 |
| Linux | ubuntu-core-launcher Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm2 | [ubuntu-core-launcher 2.61.4ubuntu0.18.04.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-core-launcher-2.61.4ubuntu0.18.04.1-esm2.md) | Apr 15, 2026 |
| Linux | ubuntu-core-launcher Ubuntu 20.04 LTS (focal) | 2.67.1+20.04ubuntu1~esm1 | [ubuntu-core-launcher 2.67.1+20.04ubuntu1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-core-launcher-2.67.1-20.04ubuntu1-esm1.md) | Apr 15, 2026 |
| Linux | ubuntu-core-launcher Ubuntu 22.04.1 LTS (jammy) | 2.73+ubuntu22.04.1 | [ubuntu-core-launcher 2.73+ubuntu22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-core-launcher-2.73-ubuntu22.04.1.md) | Apr 15, 2026 |
| Linux | ubuntu-core-launcher Ubuntu 24.04.5 LTS (noble) | 2.73+ubuntu24.04.2 | [ubuntu-core-launcher 2.73+ubuntu24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-ubuntu-core-launcher-2.73-ubuntu24.04.2.md) | Apr 15, 2026 |
| Linux | ubuntu-core-launcher Ubuntu 25.10 (questing) | 2.73+ubuntu25.10.1 | [ubuntu-core-launcher 2.73+ubuntu25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-ubuntu-core-launcher-2.73-ubuntu25.10.1.md) | Apr 15, 2026 |
| Linux | ubuntu-core-snapd-units Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm2 | [ubuntu-core-snapd-units 2.61.4ubuntu0.18.04.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-core-snapd-units-2.61.4ubuntu0.18.04.1-esm2.md) | Apr 15, 2026 |
| Linux | ubuntu-core-snapd-units Ubuntu 20.04 LTS (focal) | 2.67.1+20.04ubuntu1~esm1 | [ubuntu-core-snapd-units 2.67.1+20.04ubuntu1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-core-snapd-units-2.67.1-20.04ubuntu1-esm1.md) | Apr 15, 2026 |
| Linux | ubuntu-core-snapd-units Ubuntu 22.04.1 LTS (jammy) | 2.73+ubuntu22.04.1 | [ubuntu-core-snapd-units 2.73+ubuntu22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-core-snapd-units-2.73-ubuntu22.04.1.md) | Apr 15, 2026 |
| Linux | ubuntu-core-snapd-units Ubuntu 24.04.5 LTS (noble) | 2.73+ubuntu24.04.2 | [ubuntu-core-snapd-units 2.73+ubuntu24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-ubuntu-core-snapd-units-2.73-ubuntu24.04.2.md) | Apr 15, 2026 |
| Linux | ubuntu-core-snapd-units Ubuntu 25.10 (questing) | 2.73+ubuntu25.10.1 | [ubuntu-core-snapd-units 2.73+ubuntu25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-ubuntu-core-snapd-units-2.73-ubuntu25.10.1.md) | Apr 15, 2026 |
| Linux | ubuntu-snappy Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm2 | [ubuntu-snappy 2.61.4ubuntu0.18.04.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-snappy-2.61.4ubuntu0.18.04.1-esm2.md) | Apr 15, 2026 |
| Linux | ubuntu-snappy Ubuntu 20.04 LTS (focal) | 2.67.1+20.04ubuntu1~esm1 | [ubuntu-snappy 2.67.1+20.04ubuntu1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-snappy-2.67.1-20.04ubuntu1-esm1.md) | Apr 15, 2026 |
| Linux | ubuntu-snappy Ubuntu 22.04.1 LTS (jammy) | 2.73+ubuntu22.04.1 | [ubuntu-snappy 2.73+ubuntu22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-snappy-2.73-ubuntu22.04.1.md) | Apr 15, 2026 |
| Linux | ubuntu-snappy Ubuntu 24.04.5 LTS (noble) | 2.73+ubuntu24.04.2 | [ubuntu-snappy 2.73+ubuntu24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-ubuntu-snappy-2.73-ubuntu24.04.2.md) | Apr 15, 2026 |
| Linux | ubuntu-snappy Ubuntu 25.10 (questing) | 2.73+ubuntu25.10.1 | [ubuntu-snappy 2.73+ubuntu25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-ubuntu-snappy-2.73-ubuntu25.10.1.md) | Apr 15, 2026 |
| Linux | ubuntu-snappy-cli Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm2 | [ubuntu-snappy-cli 2.61.4ubuntu0.18.04.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-snappy-cli-2.61.4ubuntu0.18.04.1-esm2.md) | Apr 15, 2026 |
| Linux | ubuntu-snappy-cli Ubuntu 20.04 LTS (focal) | 2.67.1+20.04ubuntu1~esm1 | [ubuntu-snappy-cli 2.67.1+20.04ubuntu1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-snappy-cli-2.67.1-20.04ubuntu1-esm1.md) | Apr 15, 2026 |
| Linux | ubuntu-snappy-cli Ubuntu 22.04.1 LTS (jammy) | 2.73+ubuntu22.04.1 | [ubuntu-snappy-cli 2.73+ubuntu22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-snappy-cli-2.73-ubuntu22.04.1.md) | Apr 15, 2026 |
| Linux | ubuntu-snappy-cli Ubuntu 24.04.5 LTS (noble) | 2.73+ubuntu24.04.2 | [ubuntu-snappy-cli 2.73+ubuntu24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-ubuntu-snappy-cli-2.73-ubuntu24.04.2.md) | Apr 15, 2026 |
| Linux | ubuntu-snappy-cli Ubuntu 25.10 (questing) | 2.73+ubuntu25.10.1 | [ubuntu-snappy-cli 2.73+ubuntu25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-ubuntu-snappy-cli-2.73-ubuntu25.10.1.md) | Apr 15, 2026 |

---

Data as of 2026-11-09T01:18:40Z 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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