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Critical severity9.8NVD Advisory· Published Jul 21, 2026· Updated Jul 22, 2026

CVE-2026-16395

CVE-2026-16395

Description

Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Affected products

13

Mozilla Corporation/Firefox2 versions
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*range: <153.0.0
- (no CPE)range: >=153
Mozilla Corporation/Thunderbirdllm-fuzzy
Range: >=153
osv-coords10 versions
pkg:apk/chainguard/firefox pkg:apk/chainguard/firefox-docker-selenium-compat pkg:apk/wolfi/firefox pkg:apk/wolfi/firefox-docker-selenium-compat pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/mozilla-nspr&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/mozilla-nss&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/rust-cbindgen&distro=openSUSE%20Leap%2016.0
< 153.0-r0+ 9 more
- (no CPE)range: < 153.0-r0
- (no CPE)range: < 153.0-r0
- (no CPE)range: < 153.0-r0
- (no CPE)range: < 153.0-r0
- (no CPE)range: < 153.1.0-160000.1.2
- (no CPE)range: < 153.0-1.1
- (no CPE)range: < 153.0-1.1
- (no CPE)range: < 4.39-160000.1.1
- (no CPE)range: < 3.125-160000.1.1
- (no CPE)range: < 0.29.4+git0-160000.1.1

Patches

Vulnerability mechanics

References

3

www.mozilla.org/security/advisories/mfsa2026-68/nvdVendor Advisory
bugzilla.mozilla.org/show_bug.cginvdPermissions Required
www.mozilla.org/security/advisories/mfsa2026-71/nvd

News mentions

0

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