Buffer overflow in Ruby-lang Ruby

CVE-2017-14033

The decode method in the OpenSSL::ASN1 module in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows attackers to cause a denial of service (interpreter crash) via a crafted string.

Vulnerability class: Buffer Overflow

EPSS: 0.082 (92.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-14033?
CVE-2017-14033 is a high-severity vulnerability in Ruby-lang Ruby, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-09-19.
How severe is CVE-2017-14033?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-14033 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.