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CVE-2019-9748

N/A
Published: March 13, 2019 at 07:00 PM UTC
Updated: June 17, 2026 at 02:44 AM UTC
1 product affected across 1 vendorTinysvcmdns

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Severity
N/A
Exploit prediction
EPSS 2%

Description

In tinysvcmdns through 2018-01-16, an mDNS server processing a crafted packet can perform arbitrary data read operations up to 16383 bytes from the start of the buffer. This can lead to a segmentation fault in uncompress_nlabel in mdns.c and a crash of the server (depending on the memory protection of the CPU and the operating system), or disclosure of memory content via error messages or a server response. NOTE: the product's web site states "This project is un-maintained, and has been since 2013. ... There are known vulnerabilities ... You are advised to NOT use this library for any new projects / products."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://bitbucket.org/geekman/tinysvcmdns/issues/10/arbitrary-memory-read-while-parsing

CVSS

9.4HIGH[email protected]
Confidentiality
COMPLETE
Integrity
NONE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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