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Fencer Vulns
high 7.5

CVE-2023-44488 json

VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding.

published 2023-09-30 3 y ago modified 2026-07-18 3 mo ago also EUVD-2023-48823 , JLSEC-2026-374

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding.

Patch / fix

  • julia LibVPX_jll 1.15.2+0
  • webmproject libvpx 1.13.1
  • libvpx Debian 12 1.12.0-1+deb12u2
  • libvpx Debian 14, Debian 13 1.12.0-1.2

debian advisories DEBIAN-CVE-2023-44488

  • libvpx Ubuntu 20.04 LTS 1.8.2-1ubuntu0.2
  • libvpx Ubuntu 22.04 LTS 1.11.0-2ubuntu2.2
  • libvpx Ubuntu 24.04 LTS 1.12.0-1ubuntu2
  • firefox Ubuntu 20.04 LTS 118.0.1+build1-0ubuntu0.20.04.1
  • libvpx Ubuntu Pro 16.04 LTS 1.5.0-2ubuntu1.1+esm2
  • libvpx Ubuntu Pro 18.04 LTS 1.7.0-3ubuntu0.18.04.1+esm1

ubuntu advisories UBUNTU-CVE-2023-44488

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 1.7.0-10.el8_8
  • firefox RHEL 8 115.4.0-1.el8_8
  • firefox RHEL 9 115.4.0-1.el9_2
  • firefox-x11 RHEL 9 115.4.0-1.el9_2
  • thunderbird RHEL 8 115.4.1-1.el8_8
  • thunderbird RHEL 9 115.4.1-1.el9_2
  • firefox RHEL 7 115.4.0-1.el7_9
  • libvpx RHEL 9 1.9.0-7.el9_2

red hat advisories RHSA-2023:5537RHSA-2023:5535RHSA-2023:6195RHSA-2023:6185RHSA-2023:6187RHSA-2023:6196

  • libvpx SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Module for Package Hub 15 SP6 +9 more 1.11.0-150400.3.7.1

suse advisories SUSE-SU-2024:2409-1

  • firefox AlmaLinux 8 115.4.0-1.el8_8.alma.1
  • firefox AlmaLinux 9 115.4.0-1.el9_2.alma.1
  • firefox-x11 AlmaLinux 9 115.4.0-1.el9_2.alma.1
  • thunderbird AlmaLinux 9 115.4.1-1.el9_2.alma
  • thunderbird AlmaLinux 8 115.4.1-1.el8_8.alma.1
  • libvpx AlmaLinux 8 1.7.0-10.el8_8.alma.1
  • libvpx AlmaLinux 9 1.9.0-7.el9_2.alma.1

almalinux advisories ALSA-2023:6187ALSA-2023:6188ALSA-2023:6191ALSA-2023:6194ALSA-2023:5537ALSA-2023:5539

  • libvpx Rocky Linux 8 1.7.0-10.el8_8
  • firefox Rocky Linux 9 115.4.0-1.el9_2

rocky linux advisories RLSA-2023:5537RLSA-2023:6188

  • libvpx CBL-Mariner 2.0 1.13.1-1

azure linux advisories AZL-30066

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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-2023-44488 updated cvss 7.5

libvpx: crash related to VP9 encoding in libvpx

  • Red Hat Enterprise Linux 7 thunderbird Red Hat Enterprise Linux 9 firefox, firefox-x11, thunderbird
    affected: workaround, no fix available
  • Red Hat CodeReady Linux Builder EUS (v.8.6) libvpx 1.7.0-10.el8_6
    fixed: vendor fix RHSA-2023:5538
  • Red Hat CodeReady Linux Builder EUS (v.9.0) libvpx 1.9.0-7.el9_0
    fixed: vendor fix RHSA-2023:5540
  • Red Hat Enterprise Linux AppStream (v. 8) libvpx 1.7.0-10.el8_8, firefox 115.4.0-1.el8_8, thunderbird 115.4.1-1.el8_8
    fixed: vendor fix RHSA-2023:6187
  • Red Hat Enterprise Linux AppStream (v. 9) libvpx 1.9.0-7.el9_2, firefox 115.4.0-1.el9_2, firefox-x11 115.4.0-1.el9_2, thunderbird 115.4.1-1.el9_2
    fixed: vendor fix RHSA-2023:6188
  • Red Hat Enterprise Linux AppStream AUS (v. 8.2) libvpx 1.7.0-8.el8_2, firefox 115.4.0-1.el8_2, thunderbird 115.4.1-1.el8_2
    fixed: vendor fix RHSA-2023:6185
  • Red Hat Enterprise Linux AppStream AUS (v.8.4) libvpx 1.7.0-10.el8_4, firefox 115.4.0-1.el8_4, thunderbird 115.4.1-1.el8_4
    fixed: vendor fix RHSA-2023:6190
  • Red Hat Enterprise Linux AppStream E4S (v. 8.1) libvpx 1.7.0-8.el8_1, firefox 115.4.0-1.el8_1, thunderbird 115.4.1-1.el8_1
    fixed: vendor fix RHSA-2023:6189
show 11 more
  • Red Hat Enterprise Linux AppStream E4S (v. 8.2) libvpx 1.7.0-8.el8_2, firefox 115.4.0-1.el8_2, thunderbird 115.4.1-1.el8_2
    fixed: vendor fix RHSA-2023:6185
  • Red Hat Enterprise Linux AppStream E4S (v.8.4) libvpx 1.7.0-10.el8_4, firefox 115.4.0-1.el8_4, thunderbird 115.4.1-1.el8_4
    fixed: vendor fix RHSA-2023:6190
  • Red Hat Enterprise Linux AppStream EUS (v.8.6) libvpx 1.7.0-10.el8_6, firefox 115.4.0-1.el8_6, thunderbird 115.4.1-1.el8_6
    fixed: vendor fix RHSA-2023:6186
  • Red Hat Enterprise Linux AppStream EUS (v.9.0) libvpx 1.9.0-7.el9_0, firefox 115.4.0-1.el9_0, thunderbird 115.4.1-1.el9_0
    fixed: vendor fix RHSA-2023:6199
  • Red Hat Enterprise Linux AppStream TUS (v. 8.2) libvpx 1.7.0-8.el8_2, firefox 115.4.0-1.el8_2, thunderbird 115.4.1-1.el8_2
    fixed: vendor fix RHSA-2023:6185
  • Red Hat Enterprise Linux AppStream TUS (v.8.4) libvpx 1.7.0-10.el8_4, firefox 115.4.0-1.el8_4, thunderbird 115.4.1-1.el8_4
    fixed: vendor fix RHSA-2023:6190
  • Red Hat Enterprise Linux Client (v. 7) firefox 115.4.0-1.el7_9 Red Hat Enterprise Linux Client Optional (v. 7) firefox 115.4.0-1.el7_9
    fixed: vendor fix RHSA-2023:6162
  • Red Hat Enterprise Linux CRB (v. 8) libvpx 1.7.0-10.el8_8
    fixed: vendor fix RHSA-2023:5537
  • Red Hat Enterprise Linux CRB (v. 9) libvpx 1.9.0-7.el9_2
    fixed: vendor fix RHSA-2023:5539
  • Red Hat Enterprise Linux Server (v. 7) firefox 115.4.0-1.el7_9 Red Hat Enterprise Linux Server Optional (v. 7) firefox 115.4.0-1.el7_9 Red Hat Enterprise Linux Workstation (v. 7) firefox 115.4.0-1.el7_9 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 115.4.0-1.el7_9
    fixed: vendor fix RHSA-2023:6162
  • Red Hat Enterprise Linux 6 libvpx, libvpx-utils Red Hat Enterprise Linux 7 libvpx, libvpx-utils
    not 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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

2.16% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
julia LibVPX_jll
<1.15.2+0
1.15.2+0

Classification

Weakness
  • CWE-755 Improper Handling of Exceptional Conditions

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.