CVE-2012-6125
Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table...
Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.
- Record
CVE-2012-6125- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.
- Record
CVE-2012-6125- Updated
- 2026-11-02
EUVDEUVD-2012-5992 No score
Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.
- Record
EUVD-2012-5992- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qx8c-5326-hjwh
Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table...
Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.
- Record
GHSA-qx8c-5326-hjwh- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.
- Record
CVE-2012-6125- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-6125
Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.
- Record
DEBIAN-CVE-2012-6125- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-6125 is a critical vulnerability (CVSS 9.8) in Call-cc Chicken, published October 31, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.78%, the 78th percentile. Fixed in chicken 4.8.0-1.
References
openwall.com/lists/oss-security/2013/02/08/2
security-tracker.debian.org/tracker/CVE-2012-6125
access.redhat.com/security/cve/cve-2012-6125
lists.nongnu.org/archive/html/chicken-hackers/2012-01/msg00002.html
nvd.nist.gov/vuln/detail/CVE-2012-6125
github.com/advisories/GHSA-qx8c-5326-hjwh