CVE-2009-1493

mediumpriority · attend · 45EPSS 0.218 · 98 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

21.8% (98th) EPSS

CVSS 6.8 · medium

Is it mine?

3 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

The customDictionaryOpen spell method in the JavaScript API in Adobe Reader 9.1, 8.1.4, 7.1.1, and earlier on Linux and UNIX allows remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a PDF file that triggers a call to this method with a long string in the second argument.

cvss

Technical severity, 0–10. One row per scoring source.

6.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:P/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-399USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-8570Adobe 8.1.4/9.1 - 'customDictionaryOpen()' Code Executionfunctional · exploit_db

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
adobe reader= 8.1.4nvdUScpe:2.3:a:adobe:reader:*:*:*:*:*:*:*:*
adobe reader= 9.1nvdUScpe:2.3:a:adobe:reader:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2009-04-30modified 2026-06-16

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+3721 more

references (52)

External citations — patches, advisories, analysis.

scry

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