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Fencer Vulns
medium 6.5

CVE-2019-9433 json

In libvpx, there is a possible information disclosure due to improper input validation.

published 2019-09-27 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18807

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

In libvpx, there is a possible information disclosure due to improper input validation. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation. Product: AndroidVersions: Android-10Android ID: A-80479354

Patch / fix

  • libvpx Debian 14, Debian 13, Debian 12 1.8.1-2

debian advisories DEBIAN-CVE-2019-9433

  • libvpx Ubuntu 16.04 LTS 1.5.0-2ubuntu1.1
  • libvpx Ubuntu 18.04 LTS 1.7.0-3ubuntu0.18.04.1
  • libvpx Ubuntu Pro 14.04 LTS 1.3.0-2ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2019-9433

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libvpx RHEL 8 1.7.0-8.el8
  • libvpx RHEL 7 1.3.0-8.el7
  • libvpx-utils RHEL 7 1.3.0-8.el7

red hat advisories RHSA-2020:4629RHSA-2020:3876

  • libvpx SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +5 more 1.3.0-3.6.1
  • libvpx SLES for SAP 15, SLES 15-LTSS, SLE Module for Package Hub 15 +6 more 1.6.1-6.3.1

suse advisories SUSE-SU-2020:0459-1SUSE-SU-2020:0143-1

  • libvpx openSUSE Tumbleweed 1.10.0-1.3
  • libvpx openSUSE Leap 15.1 1.6.1-lp151.5.3.1

opensuse advisories openSUSE-SU-2024:11010-1openSUSE-SU-2020:0105-1

  • libvpx AlmaLinux 8 1.7.0-8.el8

almalinux advisories ALSA-2020:4629

  • libvpx Rocky Linux 8 1.7.0-8.el8

rocky linux advisories RLSA-2020:4629

  • libvpx Alpine 3.24, Alpine 3.23, Alpine 3.22 +11 more 1.8.1-r0

alpine advisories ALPINE-CVE-2019-9433

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2019-9433 updated cvss 6.5

libvpx: Use-after-free in vp8_deblock() in vp8/common/postproc.c

  • Red Hat Enterprise Linux 6 libvpx, libvpx-utils
    affected: no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder (v. 8) libvpx-devel 1.7.0-8.el8, libvpx-debuginfo 1.7.0-8.el8, libvpx-debugsource 1.7.0-8.el8, libvpx-utils-debuginfo 1.7.0-8.el8 Red Hat Enterprise Linux AppStream (v. 8) libvpx 1.7.0-8.el8
    fixed: vendor fix RHSA-2020:4629
  • Red Hat Enterprise Linux Client (v. 7) libvpx 1.3.0-8.el7 Red Hat Enterprise Linux Client Optional (v. 7) libvpx-utils 1.3.0-8.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) libvpx 1.3.0-8.el7, libvpx-utils 1.3.0-8.el7 Red Hat Enterprise Linux Server (v. 7) libvpx 1.3.0-8.el7 Red Hat Enterprise Linux Server Optional (v. 7) libvpx-utils 1.3.0-8.el7 Red Hat Enterprise Linux Workstation (v. 7) libvpx 1.3.0-8.el7
    +1 more products
    Red Hat Enterprise Linux Workstation Optional (v. 7) libvpx-utils 1.3.0-8.el7
    fixed: vendor fix RHSA-2020:3876

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

3.00% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • n/a Android

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

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.