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CVE-2019-9959

MEDIUMCVSS 6.5/10EPSS 1.91%

Last modified

CVE-2019-9959 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.91% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability
1.91%

77.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FreedesktopPoppler<= 0.78.0
DebianDebian Linux8.0
DebianDebian Linux9.0
DebianDebian Linux10.0
FedoraprojectFedora29
FedoraprojectFedora30
RedhatEnterprise Linux8.0
RedhatEnterprise Linux Eus8.1
RedhatEnterprise Linux Eus8.2
RedhatEnterprise Linux Eus8.4
RedhatEnterprise Linux Eus8.6
RedhatEnterprise Linux Server Aus8.2
RedhatEnterprise Linux Server Aus8.4
RedhatEnterprise Linux Server Aus8.6
RedhatEnterprise Linux Server Tus8.2
RedhatEnterprise Linux Server Tus8.4
RedhatEnterprise Linux Server Tus8.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-9959?
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.
How severe is CVE-2019-9959?
CVE-2019-9959 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.91% probability of exploitation in the next 30 days.
How do I fix CVE-2019-9959?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-9959?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST