OSV-2020-1158 Use-of-uninitialized-value in JBIG2HuffmanDecoder::buildTable

Not scored Published

An attacker can cause a denial of service by providing a crafted PDF file that triggers the use of an uninitialized value in the JBIG2 decoder.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is OSV-2020-1158?

OSV-2020-1158 is a vulnerability in poppler, published on 22 Jul 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18802

Crash type: Use-of-uninitialized-value
Crash state:
JBIG2HuffmanDecoder::buildTable
JBIG2Stream::readTextRegionSeg
JBIG2Stream::readSegments

Which versions are affected by OSV-2020-1158?

1 open source package ship an affected version, including poppler.

PackageAffectedFixed in
poppler OSS-FuzzAll versionsNone

How do I fix OSV-2020-1158?

No fix has been published for OSV-2020-1158 yet. Limit exposure of the affected software until one is available.

Is OSV-2020-1158 being exploited?

There is no known exploitation of OSV-2020-1158 in the wild and no public exploit code.

Sources

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