Is CVE-2011-1958 in the CISA KEV catalog?

No. CVE-2011-1958 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-1958?

CVE-2011-1958 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2011-1958?

CVE-2011-1958 has an EPSS score of 2.88% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-1958?

Upgrade wireshark on debian 11 to 1.6.0-1 or later.

CVE & CISA-KEV Catalog

CVE-2011-1958

MEDIUMEPSS 85th pctl

4.3

CVSS v2

NVD

Description

Wireshark 1.2.x before 1.2.17 and 1.4.x before 1.4.7 allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted Diameter dictionary file.

How to fix

Remediation Available

wiresharkDebian

Fixed in:1.6.0-1CVE-2011-1958

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.88%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Other references18

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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 2026-04-29.