Security readout for executives and security teams
This is an old Mozilla browser-engine memory corruption issue. A remote attacker could make affected Firefox, Thunderbird, or SeaMonkey versions crash, and the CVE says arbitrary code execution may be possible. The practical concern is legacy desktops, old packaged appliances, or frozen virtual images still running 2013-era Mozilla builds. Exposure is most likely on unsupported endpoints, kiosk systems, lab machines, gold images, or Linux distributions retaining old Mozilla packages. Internet browsing and HTML email rendering are the relevant business-facing surfaces. Current supported Mozilla versions are not identified as affected in the provided sources. Address during legacy-software remediation or endpoint hygiene work unless affected versions are found in active use. If they are present on systems that browse the web or process email, treat replacement or upgrade as urgent because possible code execution is cited. Mitigation focus: Upgrade Firefox, Firefox ESR, Thunderbird, Thunderbird ESR, and SeaMonkey beyond the affected versions.; Use vendor advisories from Mozilla, Ubuntu, and SUSE for package-specific remediation guidance.; Remove unsupported Mozilla products from managed endpoints and base images..
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
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-2013-0749 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
- https://bugzilla.mozilla.org/show_bug.cgi?id=808481CVE reference · x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=816994CVE reference · x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=814839CVE reference · x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=805814CVE reference · x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=812847CVE reference · x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=794426CVE reference · x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=785358CVE reference · x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=805745CVE reference · x_refsource_CONFIRM
- oval:org.mitre.oval:def:16953CVE reference · vdb-entry, signature
- https://bugzilla.mozilla.org/show_bug.cgi?id=814407CVE 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.