Is CVE-2012-5238 in the CISA KEV catalog?

No. CVE-2012-5238 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-5238?

CVE-2012-5238 has a CVSS v2 base score of 3.3 (LOW).

What is the EPSS score for CVE-2012-5238?

CVE-2012-5238 has an EPSS score of 0.91% (56th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-5238?

Upgrade wireshark on debian 11 to 1.8.2-2 or later.

CVE & CISA-KEV Catalog

CVE-2012-5238

LOW

3.3

CVSS v2

NVD

Description

epan/dissectors/packet-ppp.c in the PPP dissector in Wireshark 1.8.x before 1.8.3 uses incorrect OUI data structures during the decoding of (1) PPP and (2) LCP data, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a malformed packet.

How to fix

Remediation Available

wiresharkDebian

Fixed in:1.8.2-2CVE-2012-5238

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

0.91%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Patch2

Vendor Advisory1

wireshark.org

Other references9

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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.