How severe is CVE-2018-13420?

CVE-2018-13420 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-13420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13420?

CVE-2018-13420 affects Gperftools Project Gperftools. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-13420?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-13420 published?

CVE-2018-13420 was published on 2018-07-07 and last updated on 2026-06-17.

CVE-2018-13420

CVE-2018-13420 is a high-severity vulnerability in Gperftools Project Gperftools with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-772.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-772
Affected product: Gperftools Project Gperftools
Published: 2018-07-07
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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
How severe is CVE-2018-13420?: CVE-2018-13420 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-13420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13420?: CVE-2018-13420 affects Gperftools Project Gperftools. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-13420?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-13420 published?: CVE-2018-13420 was published on 2018-07-07 and last updated on 2026-06-17.

References

https://github.com/gperftools/gperftools/issues/1013

Affected products (1)

cpe:2.3:a:gperftools_project:gperftools:2.7:*:*:*:*:*:*:*

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