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Fencer Vulns
medium 5.0

CVE-2009-2561 json

Unspecified vulnerability in the sFlow dissector in Wireshark 1.2.0 allows remote attackers to cause a denial of service (CPU and memory co…

published 2009-07-21 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2556

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

Unspecified vulnerability in the sFlow dissector in Wireshark 1.2.0 allows remote attackers to cause a denial of service (CPU and memory consumption) via unspecified vectors.

Patch / fix

  • wireshark Debian 14, Debian 13, Debian 12 1.2.1-1

debian advisories DEBIAN-CVE-2009-2561

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-2561 updated cvss 4.3

Wireshark: Dos (excessive CPU and memory use) via large amount of tree items in the sFlow dissector

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.95% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.