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Fencer Intel
critical 9.3

CVE-2011-2434 json

Heap-based buffer overflow in Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allows attackers to execu…

published 2011-09-15 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-2423

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.9%
EPSS 5.9% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Heap-based buffer overflow in Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2011-2433 and CVE-2011-2437.

Patch / fix

  • acroread RHEL 4 EXTRAS 9.4.6-1.el4
  • acroread RHEL 5 EXTRAS 9.4.6-1.el5
  • acroread RHEL 6 EXTRAS 9.4.6-1.el6
  • acroread-plugin RHEL 4 EXTRAS 9.4.6-1.el4
  • acroread-plugin RHEL 5 EXTRAS 9.4.6-1.el5
  • acroread-plugin RHEL 6 EXTRAS 9.4.6-1.el6

red hat advisories RHSA-2011:1434

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-2011-2434 updated cvss 6.8

acroread: multiple code execution flaws (APSB11-24)

  • Red Hat Desktop version 4 Extras acroread 9.4.6-1.el4, acroread-plugin 9.4.6-1.el4 Red Hat Enterprise Linux AS version 4 Extras acroread 9.4.6-1.el4, acroread-plugin 9.4.6-1.el4 Red Hat Enterprise Linux Desktop Supplementary (v. 5) acroread 9.4.6-1.el5, acroread-plugin 9.4.6-1.el5 Red Hat Enterprise Linux Desktop Supplementary (v. 6) acroread 9.4.6-1.el6, acroread-plugin 9.4.6-1.el6 Red Hat Enterprise Linux ES version 4 Extras acroread 9.4.6-1.el4, acroread-plugin 9.4.6-1.el4 Red Hat Enterprise Linux Server Supplementary (v. 5) acroread 9.4.6-1.el5, acroread-plugin 9.4.6-1.el5
    +3 more products
    Red Hat Enterprise Linux Server Supplementary (v. 6) acroread 9.4.6-1.el6, acroread-plugin 9.4.6-1.el6 Red Hat Enterprise Linux Workstation Supplementary (v. 6) acroread 9.4.6-1.el6, acroread-plugin 9.4.6-1.el6 Red Hat Enterprise Linux WS version 4 Extras acroread 9.4.6-1.el4, acroread-plugin 9.4.6-1.el4
    fixed: vendor fix RHSA-2011:1434

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

5.94% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel 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.