CVE-2023-44488 Denial of service in n/a

High 7.5 Published 30 Sep 2023 Updated 23 Sep 2024

A flaw in libvpx VP9 encoding mishandles widths, causing a crash that allows attackers to trigger denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2023-44488?

CVE-2023-44488 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 30 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-755

Which versions are affected by CVE-2023-44488?

It affects 4 products.

Linux distribution packages (12)

`firefox` Red Hat:rhel_aus:8.4::appstream	All versions	`0:115.4.0-1.el8_4`
`firefox-debuginfo` Red Hat:rhel_aus:8.4::appstream	All versions	`0:115.4.0-1.el8_4`
`firefox-debugsource` Red Hat:rhel_aus:8.4::appstream	All versions	`0:115.4.0-1.el8_4`
`firefox` Red Hat:rhel_e4s:8.4::appstream	All versions	`0:115.4.0-1.el8_4`
`firefox-debuginfo` Red Hat:rhel_e4s:8.4::appstream	All versions	`0:115.4.0-1.el8_4`
`firefox-debugsource` Red Hat:rhel_e4s:8.4::appstream	All versions	`0:115.4.0-1.el8_4`
`thunderbird` Red Hat:rhel_eus:9.0::appstream	All versions	`0:115.4.1-1.el9_0`
`thunderbird-debuginfo` Red Hat:rhel_eus:9.0::appstream	All versions	`0:115.4.1-1.el9_0`
`thunderbird-debugsource` Red Hat:rhel_eus:9.0::appstream	All versions	`0:115.4.1-1.el9_0`
`firefox` Red Hat:rhel_tus:8.4::appstream	All versions	`0:115.4.0-1.el8_4`
`firefox-debuginfo` Red Hat:rhel_tus:8.4::appstream	All versions	`0:115.4.0-1.el8_4`
`firefox-debugsource` Red Hat:rhel_tus:8.4::appstream	All versions	`0:115.4.0-1.el8_4`

Products include Debian Debian Linux, Fedoraproject Fedora, Redhat Enterprise Linux, Webmproject Libvpx.

How do I fix CVE-2023-44488?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-44488 being exploited?

There is no known exploitation of CVE-2023-44488 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as AZL-30066, DEBIAN-CVE-2023-44488, DSA-5518-1, GHSA-wc24-pw3j-j6vw, JLSEC-2026-374, MGASA-2023-0338 and 4 more.