How severe is CVE-2019-14958?

CVE-2019-14958 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-2019-14958 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-14958?

CVE-2019-14958 affects Jetbrains Pycharm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-14958?

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-2019-14958 published?

CVE-2019-14958 was published on 2019-10-02 and last updated on 2026-06-17.

CVE-2019-14958

CVE-2019-14958 is a high-severity vulnerability in Jetbrains Pycharm 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Jetbrains Pycharm
Published: 2019-10-02
Last modified: 2026-06-17

Description

JetBrains PyCharm before 2019.2 was allocating a buffer of unknown size for one of the connection processes. In a very specific situation, it could lead to a remote invocation of an OOM error message because of Uncontrolled Memory Allocation.

Frequently asked questions

What is CVE-2019-14958?: JetBrains PyCharm before 2019.2 was allocating a buffer of unknown size for one of the connection processes. In a very specific situation, it could lead to a remote invocation of an OOM error message because of Uncontrolled Memory Allocation.
How severe is CVE-2019-14958?: CVE-2019-14958 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-2019-14958 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-14958?: CVE-2019-14958 affects Jetbrains Pycharm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-14958?: 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-2019-14958 published?: CVE-2019-14958 was published on 2019-10-02 and last updated on 2026-06-17.

References

https://blog.jetbrains.com/blog/2019/09/26/jetbrains-security-bulletin-q2-2019/

Affected products (1)

cpe:2.3:a:jetbrains:pycharm:*:*:*:*:*:*:*:*

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