Cyber Resilience

CVE-2023-36328

Critical

Published: 01 September 2023

Published
01 September 2023
Modified
26 June 2025
KEV Added
—
Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0052 67.1th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-36328 is a critical-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Fedoraproject Fedora. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 32.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9, allows attackers to execute arbitrary code and cause a denial of service (DoS).

CWE(s)
CWE-190

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

libtom
libtommath
≤ 1.2.1
fedoraproject
fedora
37, 38, 39

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References