CVE-2019-9746
In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster...
In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster and OutputTracks in webm_info.cc will trigger an abort, which allows a DoS attack, a similar issue to CVE-2018-19212.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster and OutputTracks in webm_info.cc will trigger an abort, which allows a DoS attack, a similar issue to CVE-2018-19212.
- Record
CVE-2019-9746- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster and OutputTracks in webm_info.cc will trigger an abort, which allows a DoS attack, a similar issue to CVE-2018-19212.
- Record
CVE-2019-9746- Updated
- 2026-11-02
EUVDEUVD-2019-19109 No score
In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster and OutputTracks in webm_info.cc will trigger an abort, which allows a DoS attack, a similar issue to CVE-2018-19212.
- Record
EUVD-2019-19109- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4235-rv3m-2xwx
In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster...
In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster and OutputTracks in webm_info.cc will trigger an abort, which allows a DoS attack, a similar issue to CVE-2018-19212.
- Record
GHSA-4235-rv3m-2xwx- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster and OutputTracks in webm_info.cc will trigger an abort, which allows a DoS attack, a similar issue to CVE-2018-19212.
- Record
CVE-2019-9746- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-9746
In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster and OutputTracks in webm_info.cc will trigger an abort, which allows a DoS attack, a similar issue to CVE-2018-19212.
- Record
UBUNTU-CVE-2019-9746- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
oxide-qtUbuntu:16.04:LTS |
All versions, plus listed versions 1.9.5-0ubuntu11.10.3-0ubuntu0.15.10.11.10.3-0ubuntu0.15.10.21.11.3-0ubuntu31.11.4-0ubuntu1 Show 17 moreShow less1.11.5-0ubuntu11.12.5-0ubuntu11.12.6-0ubuntu11.12.7-0ubuntu11.13.6-0ubuntu11.14.7-0ubuntu11.14.9-0ubuntu0.16.04.11.15.7-0ubuntu0.16.04.11.15.8-0ubuntu0.16.04.11.16.5-0ubuntu0.16.04.11.17.7-0ubuntu0.16.04.11.17.9-0ubuntu0.16.04.11.18.3-0ubuntu0.16.04.11.18.5-0ubuntu0.16.04.11.19.4-0ubuntu0.16.04.11.20.4-0ubuntu0.16.04.11.21.5-0ubuntu0.16.04.1 |
None known |
qtwebengine-opensource-srcUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 5.9.1+dfsg-45.9.1+dfsg-4ubuntu15.9.2+dfsg-2ubuntu15.9.3+dfsg-0ubuntu15.9.4+dfsg-0ubuntu15.9.5+dfsg-0ubuntu25.9.5+dfsg-0ubuntu2+esm1 |
None known |
qtwebengine-opensource-srcUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 5.12.4+dfsg-1ubuntu15.12.4+dfsg-1ubuntu35.12.5+dfsg-3ubuntu15.12.5+dfsg-6ubuntu25.12.5+dfsg-7 Show 4 moreShow less5.12.5+dfsg-7build15.12.8+dfsg-0ubuntu15.12.8+dfsg-0ubuntu1.15.12.8+dfsg-0ubuntu1.1+esm1 |
None known |
qtwebengine-opensource-srcUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 5.15.6+dfsg-15.15.6+dfsg-25.15.7+dfsg-25.15.8+dfsg-15.15.8+dfsg-1build1 Show 4 moreShow less5.15.8+dfsg-1build25.15.8+dfsg-25.15.9+dfsg-15.15.9+dfsg-1ubuntu0.1~esm1 |
None known |
qtwebengine-opensource-srcUbuntu:Pro:24.04:LTS |
All versions, plus listed versions 5.15.15+dfsg-25.15.15+dfsg-2build25.15.15+dfsg-2ubuntu15.15.16+dfsg-15.15.16+dfsg-1ubuntu25.15.16+dfsg-1ubuntu45.15.16+dfsg-35.15.16+dfsg-3ubuntu0.1~esm1 |
None known |
qtwebengine-opensource-srcUbuntu:25.10 |
All versions, plus listed versions 5.15.18+dfsg-25.15.18+dfsg-2build15.15.19+dfsg-15.15.19+dfsg2-1 |
None known |
qtwebengine-opensource-srcUbuntu:26.10 |
All versions, plus listed versions 5.15.19+dfsg2-45.15.19+dfsg2-65.15.19+dfsg2-7 |
None known |
qtwebengine-opensource-srcUbuntu:Pro:26.04:LTS |
All versions, plus listed versions 5.15.19+dfsg2-15.15.19+dfsg2-1build15.15.19+dfsg2-25.15.19+dfsg2-35.15.19+dfsg2-45.15.19+dfsg2-4ubuntu0.1~esm1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-9746 is a high vulnerability (CVSS 7.5) in Webmproject Libwebm, published March 13, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.64%, the 76th percentile. No source names a fixed version.
References
bugs.chromium.org/p/webm/issues/detail?id=1605
chromium.googlesource.com/webm/libwebm/+/2427abe0bde234987ed005a3adca461e9a85dfb7
nvd.nist.gov/vuln/detail/CVE-2019-9746
github.com/advisories/GHSA-4235-rv3m-2xwx
ubuntu.com/security/CVE-2019-9746
cve.org/CVERecord?id=CVE-2019-9746