HOMEVULNERABILITIESCVE-2012-6122
HIGH

CVE-2012-6122

CWE-120Published: October 31, 2019· Updated: Jun 16, 2026

7.5
CVSS v3.1

Official Description

Buffer overflow in the thread scheduler in Chicken before 4.8.0.1 allows attackers to cause a denial of service (crash) by opening a file descriptor with a large integer value.

NVD Source

Technical Analysis

CVE-2012-6122 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

call-cc1 product(s)
chicken
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (16)

http://lists.gnu.org/archive/html/chicken-announce/2013-10/msg00000.htmlMailing List · Patch · Release Notes · Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/05/08/3Mailing List · Patch · Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/05/09/1Mailing List · Patch · Third Party Advisory
http://lists.gnu.org/archive/html/chicken-announce/2013-10/msg00000.htmlMailing List · Patch · Release Notes · Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/05/08/3Mailing List · Patch · Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/05/09/1Mailing List · Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2012-6122
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-120
CISA KEVNo
Affected1 vendor(s)
PublishedOct 31, 2019

Related CVEs (CWE-120)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2012-6122 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.