Is CVE-2023-1994 in the CISA KEV catalog?

No. CVE-2023-1994 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-1994?

CVE-2023-1994 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2023-1994?

CVE-2023-1994 has an EPSS score of 1.00% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-1994?

Upgrade wireshark on debian 11 to 3.4.16-0+deb11u1 or later.

CVE & CISA-KEV Catalog

CVE-2023-1994

MEDIUM

6.3

CVSS v3

NVD

Description

GQUIC dissector crash 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-400Resource Exhaustion CWE-476NULL Pointer Dereference

How to fix

Remediation Available

wiresharkDebian

Fixed in:3.4.16-0+deb11u1CVE-2023-1994

Fixed in:4.0.6-1~deb12u1CVE-2023-1994

Fixed in:4.0.6-1CVE-2023-1994

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Exploit Intelligence

1.00%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Exploit1

gitlab.com

Vendor Advisory1

wireshark.org

Third-Party Advisory4

Other references4

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix
CVE-2018-1000115	High	7.5	89%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.