Security readout for executives and security teams
This vulnerability affects legacy PDF viewing code. A malicious PDF could trigger a heap buffer overflow and may allow code execution when opened in vulnerable MuPDF-based packages, including SumatraPDF 0.9.3 and earlier as described by the CVE source. Exposure is most likely in unmanaged endpoints, old portable PDF viewers, archived software bundles, or embedded tooling that retained the 2009 MuPDF/SumatraPDF code. Current standard builds are not confirmed affected by the provided sources. Treat this as a targeted legacy-software cleanup issue, not a current emergency unless vulnerable PDF viewers remain deployed. Prioritize discovery on endpoints that handle external documents. Mitigation focus: Inventory and remove SumatraPDF 0.9.3 and earlier where found.; Identify software bundling mupdf-20090223-win32 or matching MuPDF code.; Upgrade affected PDF viewing components using vendor or project guidance..
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
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Execution behavior lookup
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Open ATT&CK lookupCVE-2009-1605 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N2.82.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source materials
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.