What is CVE-2021-38614?

CVE-2021-38614 is a high-severity vulnerability in Polipo Project, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2021-08-12.

How severe is CVE-2021-38614?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-38614 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Polipo Project

CVE-2021-38614

Polipo through 1.1.1, when NDEBUG is used, allows a heap-based buffer overflow during parsing of a Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Vulnerability class: Buffer Overflow

Published 2021-08-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Polipo Project

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

www.openwall.com/lists/oss-security/2021/07/28/2 (Exploit, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-38614?: CVE-2021-38614 is a high-severity vulnerability in Polipo Project, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2021-08-12.
How severe is CVE-2021-38614?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-38614 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.