REDHAT-BUG-2443828: Buffer Overflow

Published Mar 2, 2026
·
Updated

Summary: A separate heap-based buffer overflow (Out-of-Bounds Read) was found in GNU Binutils (bfd linker) in bfd/xcofflink.c. This issue occurs in xcofflinkaddsymbols (approx line 2282) where rsymndx is used to index symbol hashes without sufficient bounds checking. Requirements to exploit: An attacker needs to trick a user into running the ld linker against a specially crafted malicious XCOFF object file.

Affected Software

1 affected component
GNU binutils

Event History

Mar 2, 2026
Data Sourced
via Red Hat·02:16 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2443828?

The severity of REDHAT-BUG-2443828 is categorized as high due to the potential for a heap-based buffer overflow exploit.

2

How do I fix REDHAT-BUG-2443828?

To fix REDHAT-BUG-2443828, update your GNU Binutils to the latest patched version provided by your vendor.

3

What is the impact of REDHAT-BUG-2443828?

The impact of REDHAT-BUG-2443828 can lead to application crashes or exploitation through crafted inputs, compromising system stability.

4

Who is affected by REDHAT-BUG-2443828?

Users and systems running vulnerable versions of GNU Binutils are affected by REDHAT-BUG-2443828.

5

What components are involved in REDHAT-BUG-2443828?

The components involved in REDHAT-BUG-2443828 include the 'bfd' linker in the GNU Binutils package.

Contact

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