CVE-2013-1690
A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.
What it is
ReportedMozilla Firefox and Thunderbird do not properly handle onreadystatechange events in conjunction with page reloading, which allows remote attackers to cause a denial-of-service (DoS) or possibly execute malicious code via a crafted web site. Source description excerpt; complete tracked detail loads below.
NVD published: Jun 26, 2013 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What is affected
ReportedMozilla — Firefox and Thunderbird. Product-level identification only; no affected-version conclusion is available from this field.
NVD published: Jun 26, 2013 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Urgency and basis
ReportedAct · 465.0
Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Exploitation evidence
Reportedkev-listed · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog
Active since: Mar 28, 2022 · CISA KEV added: Mar 28, 2022 · VulnCheck KEV added: Sep 13, 2013 · ENISA added: Mar 28, 2022 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What to do
ReportedApply updates per vendor instructions.
Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Evidence detail
Loading the full tracker evidence record…