REDHAT-BUG-1656187
First published: Tue Dec 04 2018(Updated: )
An issue was found in Exiv2 0.26 and previous versions. A heap-based buffer over-read in PngChunk::readRawProfile function in pngchunk_int.cpp may cause a denial of service via a crafted PNG file. References: <a href="https://github.com/Exiv2/exiv2/issues/428">https://github.com/Exiv2/exiv2/issues/428</a> <a href="https://github.com/Exiv2/exiv2/pull/430">https://github.com/Exiv2/exiv2/pull/430</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CentOS Dos2unix | <0.26 |
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Reference Links
- https://github.com/Exiv2/exiv2/issues/428
- https://github.com/Exiv2/exiv2/pull/430
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1656188
- https://access.redhat.com/support/policy/updates/errata/
- https://access.redhat.com/errata/RHSA-2019:2101
- https://access.redhat.com/security/cve/cve-2018-19535
- https://access.redhat.com/errata/RHSA-2020:1577
- https://bugzilla.redhat.com/show_bug.cgi?id=1656187
Frequently Asked Questions
What is the severity of REDHAT-BUG-1656187?
The severity of REDHAT-BUG-1656187 is classified as a denial of service vulnerability.
How do I fix REDHAT-BUG-1656187?
To fix REDHAT-BUG-1656187, upgrade to Exiv2 version 0.26 or later.
What causes the vulnerability in REDHAT-BUG-1656187?
The vulnerability in REDHAT-BUG-1656187 is caused by a heap-based buffer over-read in the PngChunk::readRawProfile function.
Which versions of Exiv2 are affected by REDHAT-BUG-1656187?
Exiv2 versions prior to 0.26 are affected by REDHAT-BUG-1656187.
What is the potential impact of REDHAT-BUG-1656187?
The potential impact of REDHAT-BUG-1656187 is a denial of service via crafted PNG files.
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