CVE-2026-12319
published 2026-06-16CVE-2026-12319: Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
PriorityP428medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
EPSS
0.21%
11.2th percentile
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 152 | Firefox 152 |
| mozilla | firefox | < 152.0.0 | 152.0.0 |
| mozilla | thunderbird | < Thunderbird 152 | Thunderbird 152 |
| mozilla | thunderbird | < 152.0.0 | 152.0.0 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
vendor_redhat6.5MEDIUM
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Red Hat
firefox: thunderbird: Denial-of-service in the Audio/Video: Playback component
vendor_redhat·2026-06-16·CVSS 6.5
CVE-2026-12319 [MEDIUM] CWE-770 firefox: thunderbird: Denial-of-service in the Audio/Video: Playback component
firefox: thunderbird: Denial-of-service in the Audio/Video: Playback component
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:
Denial-of-service in the Audio/Video: Playback component
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Package: firefox (Red Hat Enterprise Linux 10) - Not affected
Package: rhel10/firefox-flatpak (Red Hat Enterprise Linux 10) - Not affected
Package: rhel10/thunderbird-flatpak (Red Hat Enterprise Linux 10) - Not affected
Package: thunderbird (Red Hat Enterprise Linux 10) - Not affected
P
Mozilla
Mozilla Foundation Security Advisory 2026-57: CVE-2026-12319
vendor_mozilla·CVSS 6.5
CVE-2026-12319 [MEDIUM] Mozilla Foundation Security Advisory 2026-57: CVE-2026-12319
Mozilla Foundation Security Advisory 2026-57
CVE: CVE-2026-12319
Product: Firefox
Impact: high
Fixed in: Firefox 152
Mozilla
Mozilla Foundation Security Advisory 2026-60: CVE-2026-12319
vendor_mozilla·CVSS 6.5
CVE-2026-12319 [MEDIUM] Mozilla Foundation Security Advisory 2026-60: CVE-2026-12319
Mozilla Foundation Security Advisory 2026-60
CVE: CVE-2026-12319
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 152
VulDB
Mozilla Firefox up to 151 Playback denial of service (Nessus ID 321382 / WID-SEC-2026-1959)
vuldb·2026-07-10·CVSS 6.5
CVE-2026-12319 [MEDIUM] Mozilla Firefox up to 151 Playback denial of service (Nessus ID 321382 / WID-SEC-2026-1959)
A vulnerability was found in Mozilla Firefox up to 151 and classified as problematic. Affected is an unknown function of the component Playback. Executing a manipulation can lead to denial of service.
This vulnerability is handled as CVE-2026-12319. The attack can be executed remotely. There is not any exploit available.
It is suggested to upgrade the affected component.
GHSA
Denial-of-service in the Audio/Video: Playback component.
ghsa_unreviewed·2026-06-16
CVE-2026-12319 [MEDIUM] CWE-400 Denial-of-service in the Audio/Video: Playback component.
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152.
No detection rules found.
No public exploits indexed.
2026-06-16
Published