CVE-2019-9423 json
Out-of-bounds Write in OpenCV
published 2019-09-27 7 y ago modified 2026-09-10 1 mo ago also GHSA-8849-5h85-98qw , PYSEC-2026-2796 , PYSEC-2026-2811 , PYSEC-2026-2835 , PYSEC-2026-719 , EUVD-2021-2177
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
In opencv calls that use libpng, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges required. User interaction is not required for exploitation. Product: AndroidVersions: Android-10Android ID: A-110986616
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2019-9423 updated cvss 8.1
opencv: Out of bounds write due to missing bounds check
-
Red Hat Enterprise Linux 6 opencv, opencv-python Red Hat Enterprise Linux 7 opencv, opencv-core, opencv-python Red Hat Enterprise Linux 8 opencv, opencv-core, opencv-contrib, python3-opencvnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
| OSV | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | opencv-python | <=4.1.1.26 |
no fix listed |
| pypi | opencv-python-headless | <=4.1.1.26 |
no fix listed |
| pypi | opencv-contrib-python | <=4.1.1.26 |
no fix listed |
| pypi | opencv-contrib-python-headless | <=4.1.1.26 |
no fix listed |
Affected products
- n/a Android
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
source.android.com
/security/bulletin/android-10
web, vendor-advisory
-
openwall.com
/lists/oss-security/2019/10/25/17
mailing-list, web, third-party-advisory
-
openwall.com
/lists/oss-security/2019/10/27/1
mailing-list, web, third-party-advisory
-
openwall.com
/lists/oss-security/2019/11/07/1
mailing-list, web, third-party-advisory
-
openwall.com
/lists/oss-security/2020/12/05/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-9423
advisory
-
github.com
/opencv/opencv-python
package
-
pypi.org
/project/opencv-contrib-python
package
-
github.com
/advisories/GHSA-8849-5h85-98qw
advisory
-
pypi.org
/project/opencv-python
package
-
pypi.org
/project/opencv-contrib-python-headless
package
-
pypi.org
/project/opencv-python-headless
package
Sources
- CVE List CVE-2019-9423
- GitHub Advisory GHSA-8849-5h85-98qw
- NVD CVE-2019-9423
- OSV PYSEC-2026-2796
- OSV PYSEC-2026-2811
- OSV PYSEC-2026-719
- OSV PYSEC-2026-2835
Fencer Vulns 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.