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Fencer Vulns
medium 4.3

CVE-2008-5363 json

The ActionScript 2 virtual machine in Adobe Flash Player 10.x before 10.0.12.36 and 9.x before 9.0.151.0, and Adobe AIR before 1.5, does no…

published 2008-12-08 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-5340

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.7%
EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

The ActionScript 2 virtual machine in Adobe Flash Player 10.x before 10.0.12.36 and 9.x before 9.0.151.0, and Adobe AIR before 1.5, does not validate character elements during retrieval from the dictionary data structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted PDF file.

Patch / fix

  • adobe air 1.5
  • adobe flash_player 9.0.151.0, 10.0.12.36
  • flash-plugin RHEL 5 EXTRAS 10.0.12.36-2.el5
  • flash-plugin RHEL 3 EXTRAS 9.0.151.0-1.el3.with.oss
  • flash-plugin RHEL 4 EXTRAS 9.0.151.0-1.el4

red hat advisories RHSA-2008:0945RHSA-2008:0980

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2008-5363 updated cvss 4.3

security flaw

  • Red Hat Desktop version 3 Extras flash-plugin 9.0.151.0-1.el3.with.oss Red Hat Desktop version 4 Extras flash-plugin 9.0.151.0-1.el4 Red Hat Enterprise Linux AS version 3 Extras flash-plugin 9.0.151.0-1.el3.with.oss Red Hat Enterprise Linux AS version 4 Extras flash-plugin 9.0.151.0-1.el4
    fixed: vendor fix RHSA-2008:0980
  • Red Hat Enterprise Linux Desktop Supplementary (v. 5) flash-plugin 10.0.12.36-2.el5
    fixed: vendor fix RHSA-2008:0945
  • Red Hat Enterprise Linux ES version 3 Extras flash-plugin 9.0.151.0-1.el3.with.oss Red Hat Enterprise Linux ES version 4 Extras flash-plugin 9.0.151.0-1.el4
    fixed: vendor fix RHSA-2008:0980
  • Red Hat Enterprise Linux Server Supplementary (v. 5) flash-plugin 10.0.12.36-2.el5
    fixed: vendor fix RHSA-2008:0945
  • Red Hat Enterprise Linux WS version 3 Extras flash-plugin 9.0.151.0-1.el3.with.oss Red Hat Enterprise Linux WS version 4 Extras flash-plugin 9.0.151.0-1.el4
    fixed: vendor fix RHSA-2008:0980

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.72% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.