CVE-2011-1140

CVE-2011-1140 is a medium-severity vulnerability in Wireshark with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Description

Multiple stack consumption vulnerabilities in the dissect_ms_compressed_string and dissect_mscldap_string functions in Wireshark 1.0.x, 1.2.0 through 1.2.14, and 1.4.0 through 1.4.3 allow remote attackers to cause a denial of service (infinite recursion) via a crafted (1) SMB or (2) Connection-less LDAP (CLDAP) packet.

Frequently asked questions

What is CVE-2011-1140?
Multiple stack consumption vulnerabilities in the dissect_ms_compressed_string and dissect_mscldap_string functions in Wireshark 1.0.x, 1.2.0 through 1.2.14, and 1.4.0 through 1.4.3 allow remote attackers to cause a denial of service (infinite recursion) via a crafted (1) SMB or (2) Connection-less LDAP (CLDAP) packet.
How severe is CVE-2011-1140?
CVE-2011-1140 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-1140 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1140?
CVE-2011-1140 primarily affects Wireshark. In total, 37 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1140?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1140 published?
CVE-2011-1140 was published on 2011-03-03 and last updated on 2026-06-16.

References

Affected products (37)

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