CVE-2019-13615 — libebml before 1

libebml before 1.3.6, as used in the MKV module in VideoLAN VLC Media Player binaries before 3.0.3, has a heap-based buffer over-read in EbmlElement::FindNextElement.

01What is this vulnerability?

libebml before 1.3.6, as used in the MKV module in VideoLAN VLC Media Player binaries before 3.0.3, has a heap-based buffer over-read in EbmlElement::FindNextElement.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-07-16T16:06:34.000Z
• Last modified: 2024-08-04T23:57:39.469Z

09References

• trac.videolan.org — https://trac.videolan.org/vlc/ticket/22474
• www.securityfocus.com — http://www.securityfocus.com/bid/109304
• github.com — https://github.com/Matroska-Org/libebml/commit/05beb69ba60acce09f73ed491bb76f332…
• github.com — https://github.com/Matroska-Org/libebml/compare/release-1.3.5...release-1.3.6
• usn.ubuntu.com — https://usn.ubuntu.com/4073-1/
• github.com — https://github.com/Matroska-Org/libebml/commit/b66ca475be967547af9a3784e720fbbac…