CVE-2023-44488: VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding.

Q: How do I fix CVE-2023-44488?

libvpx: upgrade to 1.13.1; enterprise linux: mitigate or apply the listed mitigation; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2023-44488 being exploited?

CVE-2023-44488 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-44488 affect?

CVE-2023-44488 affects libvpx, enterprise linux, debian linux. Severity is high (CVSS 7.5). VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding.

Q: How urgent is CVE-2023-44488?

Priority 57/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

This month

HIGH 7.5REMOTEWATCHLISTUPGRADEMITIGATEMITIGATE

CVE-2023-44488 is a high-severity flaw (CVSS 7.5) affecting libvpx, enterprise linux, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.2% (top 18%)
CISA exploited list	No
Weakness	CWE-755
Published	2023-09-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: debian · fedoraproject · redhat · webmproject

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-09-30 20:15 UTCPublished CVE record published
2026-06-17 06:27 UTCUpdated Record last modified

webmproject libvpx UPGRADE

Affected: < 1.13.1

Fixed in: 1.13.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libvpx || rpm -q libvpx || libvpx --version

2. UPGRADE to 1.13.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade libvpx

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libvpx

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

redhat enterprise linux MITIGATE

Affected: 8.0 · 9.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

debian debian linux MITIGATE

Affected: 10.0 · 11.0 · 12.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

fedoraproject fedora MITIGATE

Affected: 37

Fixed in: no fixed release known

Safe to downgrade to: a release before 37

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-44488?

libvpx: upgrade to 1.13.1; enterprise linux: mitigate or apply the listed mitigation; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-44488 being exploited?

CVE-2023-44488 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-44488 affect?

CVE-2023-44488 affects libvpx, enterprise linux, debian linux. Severity is high (CVSS 7.5). VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding.

How urgent is CVE-2023-44488?

Priority 57/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Debian vulnerabilities

Related CVEs

CVE-2024-5197 CRITICAL 9.1 UPGRADE MITIGATE There exists interger overflows in libvpx in versions prior to 1.14.1. Calling vpx_img_alloc() with a large va
CVE-2023-6349 HIGH 7.5 UPGRADE A heap overflow vulnerability exists in libvpx - Encoding a frame that has larger dimensions than the original

References

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