Cyber Resilience

CVE-2023-1993

MediumPublic PoC

Published: 12 April 2023

Published
12 April 2023
Modified
03 November 2025
KEV Added
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Patch
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CVSS Score v3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
EPSS Score 0.0029 52.5th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-1993 is a medium-severity Excessive Iteration (CWE-834) vulnerability in Fedoraproject Fedora. Its CVSS base score is 6.3 (Medium).

Operationally, ranked in the top 47.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

LISP dissector large loop in Wireshark 4.0.0 to 4.0.4 and 3.6.0 to 3.6.12 allows denial of service via packet injection or crafted capture file

CWE(s)
CWE-834

Related Threats

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

Affected Assets

wireshark
wireshark
3.6.0 — 3.6.13 · 4.0.0 — 4.0.5
debian
debian linux
10.0, 12.0
fedoraproject
fedora
36, 37, 38

Mitigating Controls

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

References