CVE-2015-8791: n/a vulnerability

CVE-2015-8791: The EbmlElement::ReadCodedSizeValue function in libEBML before 1.3.3 allows context-dependent attackers to...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 08:29 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2015-8791 is an information disclosure issue in libEBML before 1.3.3. A specially crafted EBML value can trigger invalid memory access and expose data from process heap memory. Business risk depends on where vulnerable EBML/Matroska parsing is used. Exposure is most likely in systems or applications that parse EBML or Matroska content using libEBML before version 1.3.3. The bundle does not identify specific downstream products beyond distribution advisories. Treat as a targeted remediation item for media-processing environments, not an emergency internet-wide issue. Prioritize assets that automatically process untrusted uploads or third-party media files. Mitigation focus: Upgrade libEBML to version 1.3.3 or later where available.; Apply Debian or openSUSE vendor updates if those distributions are in scope.; Check vendor guidance for downstream applications bundling libEBML..

Prepared: Jun 13, 2026, 21:06 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 29, 2016, 19:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90CVE reference · x_refsource_CONFIRM
https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLogCVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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