CVE-2021-3496: Buffer Overflow
First published: Tue Apr 13 2021(Updated: )
A heap-based buffer overflow was found in jhead in version 3.06 in Get16u() in exif.c when processing a crafted file.
Credit: patrick@puiterwijk.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jhead Project Jhead | =3.06 | |
| redhat/jhead | <3.06.0.1 | 3.06.0.1 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this heap-based buffer overflow?
The vulnerability ID is CVE-2021-3496.
What is the severity of CVE-2021-3496?
The severity of CVE-2021-3496 is high.
Which software versions are affected by CVE-2021-3496?
The software version 3.06 of Jhead is affected by CVE-2021-3496.
How can I fix the heap-based buffer overflow vulnerability in Jhead?
Update Jhead to a version that has the vulnerability patched, such as version 3.07 or later.
Can you provide more information about CVE-2021-3496?
You can find more information about CVE-2021-3496 in the references provided: [1](https://bugzilla.redhat.com/show_bug.cgi?id=1949245), [2](https://github.com/Matthias-Wandel/jhead/issues/33), [3](https://security.gentoo.org/glsa/202210-17).
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