CVE-2017-11343

7.5 highEPSS 0.9%

High (7.5) in call-cc chicken. EPSS 0.9% chance of exploitation in the next 30 days.

Due to an incomplete fix for CVE-2012-6125, all versions of CHICKEN Scheme up to and including 4.12.0 are vulnerable to an algorithmic complexity attack. An attacker can provide crafted input which, when inserted into the symbol table, will result in O(n) lookup time.

Severity

CVSS 3.0

7.5 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-407
Published: 2017-07-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

call-cc:chicken

References

http://lists.gnu.org/archive/html/chicken-announce/2017-07/msg00000.html
http://lists.gnu.org/archive/html/chicken-announce/2017-07/msg00000.html

Check your stack JSON