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PatchSiren cyber security CVE debrief

CVE-2009-0927 Adobe CVE debrief

CVE-2009-0927 is listed by CISA as a Known Exploited Vulnerability affecting Adobe Reader and Adobe Acrobat. The available source corpus identifies the issue as a stack-based buffer overflow and directs defenders to apply vendor updates. Because CISA marked it as known exploited, any environment still running vulnerable Adobe Reader or Acrobat builds should treat remediation as urgent.

Vendor
Adobe
Product
Reader and Acrobat
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-25
Original CVE updated
2022-03-25
Advisory published
2022-03-25
Advisory updated
2022-03-25

Who should care

Endpoint security teams, vulnerability management owners, IT administrators, and incident responders responsible for Adobe Reader and Acrobat installations should prioritize this CVE, especially where legacy or unmanaged desktops may still have the affected software installed.

Technical summary

The supplied sources describe CVE-2009-0927 as an Adobe Reader and Acrobat stack-based buffer overflow. CISA's KEV listing confirms it has been observed in exploitation and instructs organizations to apply updates per vendor instructions. The provided corpus does not include affected version ranges, exploit conditions, or CVSS data, so defensive handling should focus on inventory, patching, and verification rather than version-specific tuning.

Defensive priority

High / urgent. CISA added this CVE to the Known Exploited Vulnerabilities catalog and assigned a remediation due date of 2022-04-15, so exposed systems should be patched and validated as soon as possible.

Recommended defensive actions

  • Apply Adobe Reader and Acrobat updates according to vendor instructions on all affected systems.
  • Inventory desktops, VDI images, and other endpoints to confirm whether any legacy Adobe Reader or Acrobat installations remain in use.
  • Use the CISA KEV due date as a patching SLA and track remediation or approved exceptions for any remaining exposure.
  • After remediation, rescan and verify that the CVE is no longer reported in vulnerability management tools.

Evidence notes

This debrief is based only on the supplied CISA KEV source item and the linked official references. The corpus confirms KEV inclusion, the Adobe Reader/Acrobat product scope, the stack-based buffer overflow description, and the remediation guidance to apply vendor updates. It does not provide CVSS scores, affected version ranges, or additional vendor bulletin details.

Sources and references

Verified primary and authoritative sources

  • CVE-2009-0927 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2009-0927

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2009-0927 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2009-0927

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.