Mozilla Firefox (en-US) 112.0
Mozilla Firefox (en-US) 112.0, released April 12, 2023, fixes 18 CVEs in Mozilla Firefox (en-US). None of them is reported as exploited. Patch Radar priority: Urgent. The latest Mozilla Firefox (en-US) is 159.0, which also fixes every one of these CVEs.
Superseded. The latest Mozilla Firefox (en-US) is 159.0, which also fixes every CVE on this page. Install that instead.
Priority of the 18 CVEs
Applies to
| Product | Version |
|---|---|
| Mozilla Firefox (en-US) | 112.0 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2023-29542 | Mozilla Firefox and 4 others: A newline in a filename could have been used to bypass the file extension security mechanisms that replace… | 9.8 | 0.0094 | None reported |
| High | CVE-2023-29535 | Mozilla Firefox and 4 others: Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly… | 7.5 | 0.0075 | None reported |
| High | CVE-2023-29541 | Mozilla Firefox and 4 others: Improper Encoding or Escaping of Output | 8.8 | 0.0074 | None reported |
| High | CVE-2023-29539 | Mozilla Firefox and 4 others: When handling the filename directive in the Content-Disposition header, the filename would be truncated… | 8.8 | 0.0074 | None reported |
| High | CVE-2023-29550 | Mozilla Firefox and 4 others: Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. | 8.8 | 0.0071 | None reported |
| High | CVE-2023-29536 | Mozilla Firefox and 4 others: An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled… | 8.8 | 0.0070 | None reported |
| High | CVE-2023-29533 | Mozilla Firefox and 4 others: A website could have obscured the fullscreen notification by using a combination of <code>window.open</code>,… | 7.5 | 0.0057 | None reported |
| High | CVE-2023-29537 | Mozilla Firefox and 2 others: Multiple race conditions in the font initialization could have led to memory corruption and execution… | 7.5 | 0.0056 | None reported |
| High | CVE-2023-29543 | Mozilla Firefox and 2 others: Improper Encoding or Escaping of Output | 8.8 | 0.0053 | None reported |
| High | CVE-2023-29551 | Mozilla Firefox and 2 others: Out-of-bounds Write | 8.8 | 0.0053 | None reported |
| Routine | CVE-2023-29548 | Mozilla Firefox and 4 others: A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result. | 6.5 | 0.0070 | None reported |
| Routine | CVE-2023-29545 | Mozilla Firefox and 4 others: Similar to CVE-2023-28163, this time when choosing 'Save Link As', suggested filenames containing environment… | 6.5 | 0.0058 | None reported |
| Routine | CVE-2023-29547 | Mozilla Firefox and 2 others: When a secure cookie existed in the Firefox cookie jar an insecure cookie for the same domain could have… | 6.5 | 0.0047 | None reported |
| Routine | CVE-2023-29544 | Mozilla Firefox and 2 others: If multiple instances of resource exhaustion occurred at the incorrect time, the garbage collector could… | 6.5 | 0.0045 | None reported |
| Routine | CVE-2023-29538 | Mozilla Firefox and 2 others: Under specific circumstances a WebExtension may have received a <code>jar:file:///</code> URI instead… | 4.3 | 0.0040 | None reported |
| Routine | CVE-2023-29549 | Mozilla Firefox and 2 others: Inadequate Encryption Strength | 6.5 | 0.0033 | None reported |
| Routine | CVE-2023-29540 | Mozilla Firefox and 2 others: Using a redirect embedded into <code>sourceMappingUrls</code> could allow for navigation to external… | 6.1 | 0.0032 | None reported |
| Routine | CVE-2023-29532 | Mozilla Firefox and 4 others: A local attacker can trick the Mozilla Maintenance Service into applying an unsigned update file by pointing… | 5.5 | 0.0019 | None reported |
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