CVE detail
CVE-2026-16355
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 19.5 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 6
- within the 30d window
- Peak daily
- 6
- highest bucket
Evidence
Source links by recency
6 source links · newest first
- https://www.mozilla.org/security/advisories/mfsa2026-72/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgJul 21, 2026, 1:17 PM - https://www.mozilla.org/security/advisories/mfsa2026-71/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgJul 21, 2026, 1:17 PM - https://www.mozilla.org/security/advisories/mfsa2026-70/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgJul 21, 2026, 1:17 PM - https://www.mozilla.org/security/advisories/mfsa2026-69/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgJul 21, 2026, 1:17 PM - https://www.mozilla.org/security/advisories/mfsa2026-68/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgJul 21, 2026, 1:17 PM - https://bugzilla.mozilla.org/show_bug.cgi?id=2052207bugzilla.mozilla.org
No excerpt available.
Exploitbugzilla.mozilla.orgJul 21, 2026, 1:17 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-13066CVSS 7.1 · High
Improper handling of DBPointer objects during BSON serialization in MongoDB's server-side JavaScript engine can result in internal process memory contents being included in data r…
- CVE-2026-16420CVSS N/A · Unrated
Type Confusion in WebAudio in Google Chrome prior to 150.0.7871.182 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium securit…
- CVE-2026-16410CVSS 9.8 · Critical
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- CVE-2026-16363CVSS 9.8 · Critical
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
- CVE-2026-64608CVSS 9.8 · Critical
Heap type confusion and out-of-bounds read/write in the Apache Fory C++ implementation. When deserializing data in compatible mode, the field-skip paths do not correctly validate…
- CVE-2026-15776CVSS 8.8 · High
Inappropriate implementation in V8 in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium…