CVE-2017-12802 json
The EBML_IntegerValue function in ebmlnumber.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert…
published 2017-11-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-4339
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
The EBML_IntegerValue function in ebmlnumber.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.
Exploit prediction
2.42% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- seclists.org http://seclists.org/fulldisclosure/2017/Nov/19 referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/Matroska-Org/foundation-source/issues/24 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
seclists.org
/fulldisclosure/2017/Nov/19
mailing-list, exploit, third-party-advisory
-
github.com
/Matroska-Org/foundation-source/issues/24
exploit, third-party-advisory
-
packetstormsecurity.com
/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2017-12802
- NVD CVE-2017-12802
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.