CVE-2015-7189: n/a vulnerability

CVE-2015-7189: Race condition in the JPEGEncoder function in Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4...

Race condition in the JPEGEncoder function in Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow) via vectors involving a CANVAS element and crafted JavaScript code.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 07:43 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old Mozilla Firefox browser memory-safety issue. A malicious webpage could use canvas and JavaScript to trigger a race condition in JPEG encoding, potentially crashing the browser or running code in the browser process. The key business risk is unmanaged legacy Firefox installations. Exposure is likely limited to systems still running Firefox before 42.0 or Firefox ESR 38.x before 38.4, including packaged builds covered by listed Linux vendor advisories. Modern, supported Firefox versions should not be assumed affected from this bundle. Treat as high priority only where legacy Firefox remains in use. The vulnerability can support remote code execution through web content, but the source bundle is from 2015 and does not establish current active exploitation. Mitigation focus: Upgrade Firefox to 42.0 or later where applicable.; Upgrade Firefox ESR 38.x to 38.4 or later.; Apply relevant Debian, Ubuntu, Red Hat, SUSE, or Gentoo security updates..

Prepared: Jun 13, 2026, 21:45 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Nov 5, 2015, 02:00 UTC (UTC+00:00)

Official CVE source material

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.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

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
GLSA-201512-10CVE reference · vendor-advisory, x_refsource_GENTOO
https://bugzilla.mozilla.org/show_bug.cgi?id=1205900CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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