medium
6.1
CWE
787
Advisory Published
Updated

CVE-2020-26208: Heap-buffer-overflow in jhead

First published: Wed Feb 02 2022(Updated: )

JHEAD is a simple command line tool for displaying and some manipulation of EXIF header data embedded in Jpeg images from digital cameras. In affected versions there is a heap-buffer-overflow on jhead-3.04/jpgfile.c:285 ReadJpegSections. Crafted jpeg images can be provided to the user resulting in a program crash or potentially incorrect exif information retrieval. Users are advised to upgrade. There is no known workaround for this issue.

Credit: security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
Jhead Project Jhead<3.04

Remedy

https://github.com/F-ZhaoYang/jhead/commit/5186ddcf9e35a7aa0ff0539489a930434a1325f4

Remedy

https://github.com/Matthias-Wandel/jhead/issues/7

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Reference Links

Frequently Asked Questions

  • What is CVE-2020-26208?

    CVE-2020-26208 is a vulnerability found in the Jhead project's Jhead command line tool.

  • What is Jhead?

    Jhead is a simple command line tool used for displaying and manipulating EXIF header data in JPEG images from digital cameras.

  • What is the severity of CVE-2020-26208?

    CVE-2020-26208 has a severity of 6.1, which is considered medium.

  • How does CVE-2020-26208 affect software?

    The vulnerability affects Jhead versions up to and including 3.04.

  • How can CVE-2020-26208 be exploited?

    Crafted JPEG images can be provided to the user, resulting in a heap buffer overflow in the ReadJpegSections function of jhead-3.04/jpgfile.c.

  • Where can I find more information about CVE-2020-26208?

    You can find more information about CVE-2020-26208 at the following references: [Link 1](https://bugs.launchpad.net/ubuntu/+source/jhead/+bug/1900821), [Link 2](https://github.com/F-ZhaoYang/jhead/commit/5186ddcf9e35a7aa0ff0539489a930434a1325f4), [Link 3](https://github.com/F-ZhaoYang/jhead/security/advisories/GHSA-7pr6-xq4f-qhgc)

  • What is CWE-787?

    CWE-787 is a vulnerability type known as Out-of-bounds Write.

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