CVE-2012-6125
Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table...
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.
- Severity
- 9.8 CriticalCVSS 3.1, NVD
- Exploit chance
- 1.78%EPSS, 78th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
4.8.0-1chicken +2 more
Description
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
Affected products
Affected packages
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 ListNo 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-2012-5992No 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
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
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