What is CVE-2018-13420?

CVE-2018-13420 is a high-severity vulnerability in Gperftools Project, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 7.5/10. Published 2018-07-07.

How severe is CVE-2018-13420?

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

Is CVE-2018-13420 known to be exploited?

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

Vulnerability in Gperftools Project

CVE-2018-13420

Google gperftools 2.7 has a memory leak in malloc_extension.cc, related to MallocExtension::Register and InitModule. NOTE: the software maintainer indicates that this is not a bug; it is only a false-positive report from the LeakSanitizer program

Published 2018-07-07 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.015 (73.8th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Gperftools Project — versions 2.7

Weakness classification (CWE)

CWE-772 — Missing Release of Resource after Effective Lifetime

Public proof-of-concept exploits

References

github.com/gperftools/gperftools/issues/1013 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-13420?: CVE-2018-13420 is a high-severity vulnerability in Gperftools Project, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 7.5/10. Published 2018-07-07.
How severe is CVE-2018-13420?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-13420 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.