Information Exposure Affecting libebml package, versions <1.3.3-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN14-LIBEBML-11748069
- published10 Aug 2025
- disclosed29 Jan 2016
Introduced: 29 Jan 2016
CVE-2015-8791 (opens in a new tab)How to fix?
Upgrade Debian:14 libebml to version 1.3.3-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libebml package and not the libebml package as distributed by Debian.
See How to fix? for Debian:14 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2015-8791
- http://www.debian.org/security/2016/dsa-3538
- https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90
- http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html
- https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2015-8791