# CVE-2019-11503: golang-github-snapcore-snapd-dev: snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the...

CVE-2019-11503 is fixed in 9 products on 1 platform, first by golang-github-snapcore-snapd-dev 2.39.2+18.04, released April 24, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-11503
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0242
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 24, 2019

## Description

snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a "cwd restore permission bypass."

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | golang-github-snapcore-snapd-dev Ubuntu 18.04.6 LTS (bionic) | 2.39.2+18.04 | [golang-github-snapcore-snapd-dev 2.39.2+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-golang-github-snapcore-snapd-dev-2.39.2-18.04.md) | Apr 24, 2019 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 18.04.6 LTS (bionic) | 2.39.2+18.04 | [golang-github-ubuntu-core-snappy-dev 2.39.2+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-golang-github-ubuntu-core-snappy-dev-2.39.2-18.04.md) | Apr 24, 2019 |
| Linux | snap-confine Ubuntu 18.04.6 LTS (bionic) | 2.39.2+18.04 | [snap-confine 2.39.2+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snap-confine-2.39.2-18.04.md) | Apr 24, 2019 |
| Linux | snapd Ubuntu 18.04.6 LTS (bionic) | 2.39.2+18.04 | [snapd 2.39.2+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapd-2.39.2-18.04.md) | Apr 24, 2019 |
| Linux | snapd-xdg-open Ubuntu 18.04.6 LTS (bionic) | 2.39.2+18.04 | [snapd-xdg-open 2.39.2+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapd-xdg-open-2.39.2-18.04.md) | Apr 24, 2019 |
| Linux | ubuntu-core-launcher Ubuntu 18.04.6 LTS (bionic) | 2.39.2+18.04 | [ubuntu-core-launcher 2.39.2+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-core-launcher-2.39.2-18.04.md) | Apr 24, 2019 |
| Linux | ubuntu-core-snapd-units Ubuntu 18.04.6 LTS (bionic) | 2.39.2+18.04 | [ubuntu-core-snapd-units 2.39.2+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-core-snapd-units-2.39.2-18.04.md) | Apr 24, 2019 |
| Linux | ubuntu-snappy Ubuntu 18.04.6 LTS (bionic) | 2.39.2+18.04 | [ubuntu-snappy 2.39.2+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-snappy-2.39.2-18.04.md) | Apr 24, 2019 |
| Linux | ubuntu-snappy-cli Ubuntu 18.04.6 LTS (bionic) | 2.39.2+18.04 | [ubuntu-snappy-cli 2.39.2+18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-snappy-cli-2.39.2-18.04.md) | Apr 24, 2019 |

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Data as of 2026-11-08T00:53:09Z 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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