CVE-2022-46884
A potential use-after-free vulnerability existed in SVG Images if the Refresh Driver was destroyed at an inopportune time.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A potential use-after-free vulnerability existed in SVG Images if the Refresh Driver was destroyed at an inopportune time. This could have lead to memory corruption or a potentially exploitable crash. *Note*: This advisory was added on December 13th, 2022 after discovering it was inadvertently left out of the original advisory. The fix was included in the original release of Firefox 106. This vulnerability affects Firefox < 106.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.48% probability · 40th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1786818Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-44/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1786818Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-44/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.