VulnerabilityModified
CVE-2015-8791
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.
MEDIUM 4.3EPSS 1.34%
Does this matter?
Lower severity and a low EPSS score (1.34%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 4.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- EPSS
- 1.34% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- matroska/libebml
- Source
- cve@mitre.org
References
- http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html
- http://www.debian.org/security/2016/dsa-3538
- https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLogVendor Advisory
- https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90
- http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html
- http://www.debian.org/security/2016/dsa-3538
- https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLogVendor Advisory
- https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.