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Fencer Intel
medium 6.8

CVE-2011-2903 json

Heap-based buffer overflow in tcptrack before 1.4.2 might allow attackers to execute arbitrary code via a long command line argument.

published 2011-09-02 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-2876

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Heap-based buffer overflow in tcptrack before 1.4.2 might allow attackers to execute arbitrary code via a long command line argument. NOTE: this is only a vulnerability in limited scenarios in which tcptrack is "configured as a handler for other applications." This issue might not qualify for inclusion in CVE.

Patch / fix

  • tcptrack Debian 14, Debian 13, Debian 12 1.4.2-1

debian advisories DEBIAN-CVE-2011-2903

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-2011-2903 updated cvss 5.1

tcptrack: heap overflow in parsing the command line

  • 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

2.33% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel 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.