SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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…

MEDIUM 6.5EPSS 1.91%

Does this matter?

Lower severity and a low EPSS score (1.91%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
1.91% probability · 79th percentile
CISA KEV
Not listed
Weakness
CWE-190
Affected
freedesktop/poppler · debian/debian linux · fedoraproject/fedora · redhat/enterprise linux · redhat/enterprise linux eus · redhat/enterprise linux server aus · redhat/enterprise linux server tus
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.