Security readout for executives and security teams
CVE-2012-4540 is a remote browser-plugin flaw in IcedTea-Web. A malicious webpage could crash the plugin, expose sensitive information, or possibly run code through a heap buffer overflow. This matters mainly where old Java applet support remains installed or enabled. Likely exposure is legacy Linux endpoints or images with vulnerable IcedTea-Web browser plugin packages. Modern fleets are less likely exposed unless they retain Java applet workflows, old OpenJDK plugin stacks, or archived desktop builds. Prioritize if the organization still supports Java applets or legacy Linux desktops. Otherwise, treat as a legacy hygiene issue: confirm absence or patch status, then remove unused plugin capability. Mitigation focus: Upgrade IcedTea-Web to fixed vendor packages or fixed upstream versions.; Remove or disable IcedTea-Web browser plugin where applets are not required.; Follow the relevant Linux distribution advisory for package names and backports..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2012-4540 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- icedtea-applet-bo(79894)CVE reference · vdb-entry, x_refsource_XF
- https://bugzilla.redhat.com/show_bug.cgi?id=869040CVE reference · x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1007960CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
