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Fencer Vulns
medium 5.3

CVE-2023-46135 json

Panic in SignedPayload::from_payload

published 2023-10-25 3 y ago modified 2026-09-10 1 mo ago also GHSA-5873-6fwq-463f , EUVD-2023-2655

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

rs-stellar-strkey is a Rust lib for encode/decode of Stellar Strkeys. A panic vulnerability occurs when a specially crafted payload is used.`inner_payload_len` should not above 64. This vulnerability has been patched in version 0.0.8.

Patch / fix

  • crates.io stellar-strkey 0.0.8
  • stellar rs-stellar-strkey 0.0.8

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/stellar/rs-stellar-strkey/security/advisories/GHSA-5873-6fwq-463f referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/stellar/rs-stellar-strkey/issues/58 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
crates.io stellar-strkey
<0.0.8
0.0.8

Affected products

  • stellar rs-stellar-strkey

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.