Heap/stack overflow in libiberty dlang_lname leads to DoS
CVE-2021-3826 Published on September 1, 2022

Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.

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Weakness Type

What is a Buffer Overflow Vulnerability?

The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

CVE-2021-3826 has been classified to as a Buffer Overflow vulnerability or weakness.


Products Associated with CVE-2021-3826

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Exploit Probability

EPSS
0.56%
Percentile
67.83%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.