Synced 30 Sept 2026 20:54 UTC Account
← All products

CVE-2011-2175

MEDIUM severity · CVSS 4.3 · CWE-189
4.3CVSS MEDIUM

Summary

Integer underflow in the visual_read function in wiretap/visual.c in Wireshark 1.2.x before 1.2.17 and 1.4.x before 1.4.7 allows remote attackers to cause a denial of service (application crash) via a malformed Visual Networks file that triggers a heap-based buffer over-read.

Impact & exploitability

Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)2%

AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: http://anonsvn.wireshark.org/viewvc?view=revision&revision=37128 ↗