CVE-2012-5836: n/a vulnerability

CVE-2012-5836: Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allow remote attackers to e...

Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving the setting of Cascading Style Sheets (CSS) properties in conjunction with SVG text.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 21:21 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old Mozilla browser and mail-client vulnerability. A specially crafted web page or content involving CSS and SVG text could crash the application or potentially run attacker-controlled code in affected versions. Exposure is mainly legacy systems, old Linux distribution packages, or unsupported workstations still running Firefox, Thunderbird, or SeaMonkey versions from before the listed fixed releases. Treat as high priority only where legacy affected software remains deployed. For modern environments, this is primarily a historical exposure and asset hygiene issue. Mitigation focus: Upgrade Firefox, Thunderbird, and SeaMonkey to fixed or currently supported versions.; Apply relevant Ubuntu, SUSE, openSUSE, or Mozilla security updates.; Remove unsupported legacy Mozilla applications where business use is no longer required..

Prepared: Jun 24, 2026, 12:04 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

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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description · low confidence lookup

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.

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cve · low confidence lookup

CVE-2012-5836 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Nov 21, 2012, 11:00 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

4Source 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
oval:org.mitre.oval:def:16336CVE reference · vdb-entry, signature
firefox-svg-dos(80172)CVE reference · vdb-entry, x_refsource_XF
https://bugzilla.mozilla.org/show_bug.cgi?id=792857CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.