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CVE-2015-8790
The EbmlUnicodeString::UpdateFromUTF8 function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information…
- 4.3MediumCVSS base score
- 1.8%Exploitation in 30 daysEPSS · top 21% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The EbmlUnicodeString::UpdateFromUTF8 function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted UTF-8 string, which triggers an invalid memory access.
Timeline
ID reserved
By mitre
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium4.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.8% · top 21% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
8
- DSA-3538 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 95124 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- openSUSE-SU-2016:0125 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://github.com/Matroska-Org/libebml/commit/ababb64e0c792ad2a314245233db0833ba12036b (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.talosintelligence.com/reports/TALOS-2016-0036/ (opens in a new tab)x_refsource_MISCx_transferred
- [matroska-users] 20151020 libEBML v1.3.3, libMatroska v1.4.4 released: important fixes (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog (opens in a new tab)x_refsource_CONFIRMx_transferred
- 85307 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-8662 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-8790)Record last updated .