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Fencer Vulns
medium 6.5

CVE-2024-33783 json

MP-SPDZ v0.3.8 was discovered to contain a segmentation violation via the function osuCrypto::SilentMultiPprfReceiver::expand in /Tools/Sil…

published 2024-05-07 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-31492

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

MP-SPDZ v0.3.8 was discovered to contain a segmentation violation via the function osuCrypto::SilentMultiPprfReceiver::expand in /Tools/SilentPprf.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted message.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/FudanMPL/Vulnerabilities-in-MPC-Framework/tree/main/MP-SPDZ/SEGV-SlientPprf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

  • data61 mp-spdz

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

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.