CVE-2015-8791 Information disclosure in n/a

Medium 4.3 Published 29 Jan 2016 Updated 6 Aug 2024

Attackers can read sensitive heap memory via crafted EBML IDs in libEBML, potentially exposing process data.

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: Available

What is CVE-2015-8791?

CVE-2015-8791 is a medium-severity vulnerability in n/a, published on 29 Jan 2016. 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

The EbmlElement::ReadCodedSizeValue function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted length value in an EBML id, which triggers an invalid memory access.

Weakness: CWE-200

Which versions are affected by CVE-2015-8791?

It affects 1 product.

Products include Matroska Libebml.

How do I fix CVE-2015-8791?

Upgrade to a fixed version.

Is CVE-2015-8791 being exploited?

There is no known exploitation of CVE-2015-8791 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2015-8791, GHSA-wrxq-929q-rj83, UBUNTU-CVE-2015-8791.