medium
6.5
CWE
190
Advisory Published
Updated

CVE-2019-9959: Integer Overflow

First published: Mon Jul 22 2019(Updated: )

The JPXStream::init function in Poppler 0.78.0 and earlier doesn't check for negative values of stream length, leading to an Integer Overflow, thereby making it possible to allocate a large memory chunk on the heap, with a size controlled by an attacker, as demonstrated by pdftocairo.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
freedesktop poppler<=0.78.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Fedoraproject Fedora=29
Fedoraproject Fedora=30
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux Eus=8.1
Redhat Enterprise Linux Eus=8.2
Redhat Enterprise Linux Eus=8.4
Redhat Enterprise Linux Eus=8.6
Redhat Enterprise Linux Server Aus=8.2
Redhat Enterprise Linux Server Aus=8.4
Redhat Enterprise Linux Server Aus=8.6
Redhat Enterprise Linux Server Tus=8.2
Redhat Enterprise Linux Server Tus=8.4
Redhat Enterprise Linux Server Tus=8.6
redhat/poppler<0.79
0.79

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this vulnerability?

    The vulnerability ID for this vulnerability is CVE-2019-9959.

  • What is the severity rating of CVE-2019-9959?

    CVE-2019-9959 has a severity rating of 6.5 (medium).

  • How does the vulnerability in Poppler occur?

    The vulnerability in Poppler occurs due to the JPXStream::init function not checking for negative values of stream length.

  • What is the impact of the CVE-2019-9959 vulnerability?

    The CVE-2019-9959 vulnerability allows an attacker to allocate a large memory chunk on the heap, leading to an integer overflow.

  • Is there a fix available for CVE-2019-9959?

    Yes, a fix is available for CVE-2019-9959 in version 0.79 of Poppler.

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