GHSA-54P8-X2M9-C593

GHSA-54P8-X2M9-C593 is a medium-severity uncontrolled resource consumption vulnerability in github.com/chainguard-dev/malcontent (go), affecting versions < 1.21.0. It is fixed in 1.21.0.

Summary

Several extraction and scanning code paths registered late defers which could leak resources and exhaust system resources.

This report is an aggregate of these individual reports for the affected code:

Advisory Affected File
GHSA-jjgh-mc5q-gch7 pkg/action/scan.go
GHSA-mwmf-fxh2-w4x7 pkg/archive/deb.go
GHSA-p8j3-rpf5-gwv3 pkg/archive/gzip.go
GHSA-qfh4-7f5v-75gq pkg/archive/zlib.go
GHSA-wxxf-r586-5rf5 pkg/archive/bzip2.go

Fix: #1354, #1355, #1356, #1361

Acknowledgements

Thank you to Oleh Konko from 1seal for discovering and reporting all six of these issues.

Impact

Crafted input forces the application to consume excessive CPU, memory, or other resources, degrading or denying service. Typical impact: denial of service.

GHSA-54P8-X2M9-C593 has a CVSS score of 5.3 (Medium). The vector is network-reachable, no privileges required, and no user interaction. A CVSS score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether this affects your application depends on whether the vulnerable code is present and reachable in your environment. A fixed version is available (1.21.0); upgrading removes the vulnerable code path.

Affected versions

github.com/chainguard-dev/malcontent (< 1.21.0)

Security releases

github.com/chainguard-dev/malcontent → 1.21.0 (go)

Kodem intelligence

Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.

Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.

See it in your environment

Remediation advice

Upgrade github.com/chainguard-dev/malcontent to 1.21.0 or later to resolve this vulnerability.

Kodem Kai can prioritize this vulnerability in your dependency tree and generate a fix recommendation.

Frequently Asked Questions

  1. What is GHSA-54P8-X2M9-C593? GHSA-54P8-X2M9-C593 is a medium-severity uncontrolled resource consumption vulnerability in github.com/chainguard-dev/malcontent (go), affecting versions < 1.21.0. It is fixed in 1.21.0. Crafted input forces the application to consume excessive CPU, memory, or other resources, degrading or denying service.
  2. How severe is GHSA-54P8-X2M9-C593? GHSA-54P8-X2M9-C593 has a CVSS score of 5.3 (Medium). This score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether it represents real risk in your environment depends on whether the vulnerable code is present and reachable.
  3. Which versions of github.com/chainguard-dev/malcontent are affected by GHSA-54P8-X2M9-C593? github.com/chainguard-dev/malcontent (go) versions < 1.21.0 is affected.
  4. Is there a fix for GHSA-54P8-X2M9-C593? Yes. GHSA-54P8-X2M9-C593 is fixed in 1.21.0. Upgrade to this version or later.
  5. Is GHSA-54P8-X2M9-C593 exploitable, and should I be worried? Whether GHSA-54P8-X2M9-C593 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
  6. What actually determines whether GHSA-54P8-X2M9-C593 is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
  7. How do I fix GHSA-54P8-X2M9-C593? Upgrade github.com/chainguard-dev/malcontent to 1.21.0 or later.

Other vulnerabilities in github.com/chainguard-dev/malcontent

CVE-2026-28407CVE-2026-24845

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