CVE-2021-28302

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-03-12 · updated 2026-06-17
Weakness: CWE-770

Description

A stack overflow in pupnp before version 1.14.5 can cause the denial of service through the Parser_parseDocument() function. ixmlNode_free() will release a child node recursively, which will consume stack space and lead to a crash.

Affected products

pupnp: before 1.14.5 — fixed in 1.14.5

How to fix

Upgrade to a fixed version: pupnp 1.14.5. Check the vendor advisory for mitigations.

References

https://github.com/pupnp/pupnp/issues/249
https://github.com/pupnp/pupnp/releases/tag/release-1.14.5
https://github.com/pupnp/pupnp/issues/249
https://github.com/pupnp/pupnp/releases/tag/release-1.14.5

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