CVE-2026-7320

high

Published 2026-05-19 · Modified 2026-05-26

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CVSS v3

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.5

Description

Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.

Predictions

Exploit likelihood

83%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

AlmaLinux Fixed 1 release

Version	Status	Fixed in
9	Fixed	`thunderbird-140.10.1-1.el9_8.alma.1.x86_64.rpm`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`140.10.1esr-1~deb13u1`
sid	Fixed	`150.0.1-1`
forky	Fixed	`140.10.1esr-1`
bullseye	Fixed	`140.10.1esr-1~deb11u1`
bookworm	Fixed	`140.10.1esr-1~deb12u1`

Red Hat Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

Application impact

Vendor	Product	Versions	Fixed
mozilla	firefox	`{"endExcluding":"115.35.1"}`	`115.35.1`
mozilla	thunderbird	`{"endExcluding":"140.10.1"}`	`140.10.1`

References

CWEs

CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.