Security readout for executives and security teams
This is a 2015 memory-safety flaw in Mozilla's XML parser. A malicious remote source could trigger arbitrary code execution by sending unusually large compressed XML data to vulnerable Firefox or Thunderbird versions. The main business risk is legacy desktops or servers still running those old packages. Exposure is most likely in unpatched legacy Mozilla Firefox, Firefox ESR 31.x, or Thunderbird deployments from 2015-era systems. Current supported installations are less likely exposed, but vulnerability managers should verify package versions rather than assume automatic remediation. Treat as a legacy exposure cleanup item with high impact if found. Prioritize environments where old browsers or mail clients process internet-originated content, especially unmanaged endpoints and long-lived server images. Mitigation focus: Upgrade Firefox to version 38.0 or later.; Upgrade Firefox ESR 31.x to version 31.7 or later.; Upgrade Thunderbird to version 31.7 or later..
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-2015-2716 mapping review
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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
- https://www.tenable.com/security/tns-2016-20CVE reference · x_refsource_CONFIRM
- https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/#thunderbird31.7CVE reference · x_refsource_CONFIRM
- https://hg.mozilla.org/releases/mozilla-esr31/rev/2f3e78643f5cCVE reference · x_refsource_CONFIRM
- GLSA-201605-06CVE reference · vendor-advisory, x_refsource_GENTOO
- https://bugzilla.mozilla.org/show_bug.cgi?id=1140537CVE reference · x_refsource_CONFIRM
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365CVE 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.