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Advisory record · GHSA-5873-6fwq-463f

stellar-strkey vulnerable to panic in SignedPayload::from_payload

CVSS 5.3 MediumEPSS 0.0095 · 61st percentile

Published by the GitHub Advisory Database at 25 Oct 2023, 14:09 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
stellar-strkeycrates.io<0.0.80.0.8
Identifiers
GHSA-5873-6fwq-463f · CVE-2023-46135
Weakness (CWE)
CWE-248
Tags
Published
25 Oct 2023
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

stellar-strkey versions before 0.0.8 can panic when SignedPayload::from_payload is given a specially crafted payload whose embedded length field is 0xffffffff, which causes an arithmetic overflow. The source does not say what an attacker can do beyond triggering the panic, or what kind of access is required. Upgrade to stellar-strkey 0.0.8. Alternatively, reject payloads whose 4-byte length field at offset 32 decodes to a value above 64 before passing them to the function.

Written 8 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0095, the 61st percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:17 UTC First seen by agentprime
  2. 31 Oct 2026, 15:17 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.