TI-2019-11156 Aliases CVE-2019-14958 GHSA-vm2v-9gwc-qh4r

JetBrains PyCharm before 2019.2 was allocating a buffer of unknown size for one of the…

LOW 37CWE-770Published 2019-10-02 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-770.

Summary

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.

Why it matters now

EPSS 0.0193 80th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:jetbrains:pycharm::::::::	before 2019.2	Vulnerable	JetBrains

cpe:2.3:a:jetbrains:pycharm:*:*:*:*:*:*:*:* Versions before 2019.2 Vulnerable ·JetBrains

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-14958
2026-10-03 Alias added: GHSA-vm2v-9gwc-qh4r

References

Advisory 1

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

TI-2024-24589 Insufficiently protected credentials in JetBrains IntelliJ IDEA CVSS 3.1CRITICAL 9.3
TI-2021-20971 JetBrains IntelliJ IDEA 2021.3.1 Preview, IntelliJ IDEA 2021.3.1 RC, PyCharm Professional… CVSS 3.1CRITICAL 9.8
TI-2026-52746 In JetBrains PyCharm before 2026.2.1 code execution was possible via unauthenticated Jupyter MCP tools CVSS 3.1HIGH 8.4
TI-2026-46948 In JetBrains PyCharm before 2026.1.4, 2026.2 arbitrary code execution via malicious… CVSS 3.1HIGH 8.6
TI-2026-20893 In JetBrains PyCharm before 2025.3.2 a DOM-based XSS on Jupyter viewer page was possible CVSS 3.1HIGH 8.2
TI-2020-09386 In JetBrains PyCharm 2019.2.5 and 2019.3 on Windows, Apple Notarization Service… CVSS 3.1HIGH 7.5

See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences