CVE-2023-5168
A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process. *This bug only affects Firefox on Windows.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.93% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- mozilla/firefox · mozilla/firefox esr · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1846683Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-41/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-42/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-43/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1846683Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2023-41/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-42/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-43/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.