CVE-2026-109730
published 2026-10-13CVE-2026-109730: Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and…
PriorityP345high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.36%
30.2th percentile
Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 158 | Firefox 158 |
| mozilla | firefox_esr | < Firefox ESR 115.43 | Firefox ESR 115.43 |
| mozilla | firefox_esr | < Firefox ESR 153.5 | Firefox ESR 153.5 |
| mozilla | thunderbird | < Thunderbird 158 | Thunderbird 158 |
| mozilla | thunderbird | < Thunderbird 153.5 | Thunderbird 153.5 |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Mozilla
Mozilla Foundation Security Advisory 2026-106: CVE-2026-109730
vendor_mozilla
CVE-2026-109730 Mozilla Foundation Security Advisory 2026-106: CVE-2026-109730
Mozilla Foundation Security Advisory 2026-106
CVE: CVE-2026-109730
Product: Firefox
Impact: low
Fixed in: Firefox 158
Mozilla
Mozilla Foundation Security Advisory 2026-107: CVE-2026-109730
vendor_mozilla
CVE-2026-109730 Mozilla Foundation Security Advisory 2026-107: CVE-2026-109730
Mozilla Foundation Security Advisory 2026-107
CVE: CVE-2026-109730
Product: Firefox ESR
Impact: moderate
Fixed in: Firefox ESR 115.43
Mozilla
Mozilla Foundation Security Advisory 2026-109: CVE-2026-109730
vendor_mozilla
CVE-2026-109730 Mozilla Foundation Security Advisory 2026-109: CVE-2026-109730
Mozilla Foundation Security Advisory 2026-109
CVE: CVE-2026-109730
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 158
Mozilla
Mozilla Foundation Security Advisory 2026-108: CVE-2026-109730
vendor_mozilla
CVE-2026-109730 Mozilla Foundation Security Advisory 2026-108: CVE-2026-109730
Mozilla Foundation Security Advisory 2026-108
CVE: CVE-2026-109730
Product: Firefox ESR
Impact: low
Fixed in: Firefox ESR 153.5
Mozilla
Mozilla Foundation Security Advisory 2026-110: CVE-2026-109730
vendor_mozilla
CVE-2026-109730 Mozilla Foundation Security Advisory 2026-110: CVE-2026-109730
Mozilla Foundation Security Advisory 2026-110
CVE: CVE-2026-109730
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.5
GHSA
Integer overflow in the Graphics component.
ghsa_unreviewed·2026-10-13
CVE-2026-109730 Integer overflow in the Graphics component.
Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, and Firefox ESR 153.5.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=2074896https://www.mozilla.org/security/advisories/mfsa2026-106/https://www.mozilla.org/security/advisories/mfsa2026-107/https://www.mozilla.org/security/advisories/mfsa2026-108/https://www.mozilla.org/security/advisories/mfsa2026-109/https://www.mozilla.org/security/advisories/mfsa2026-110/
2026-10-13
Published