What is CVE-2009-0193?

CVE-2009-0193 is a vulnerability in Adobe Acrobat Reader, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2009-03-25.

Is CVE-2009-0193 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Adobe Acrobat Reader

CVE-2009-0193

Heap-based buffer overflow in Adobe Acrobat Reader 9 before 9.1, 8 before 8.1.4, and 7 before 7.1.1 allows remote attackers to execute arbitrary code via a PDF file with a malformed JBIG2 symbol dictionary segment, a different vulnerability than CVE-2009-1061 and CVE-2009-1062.

Vulnerability class: Buffer Overflow

Published 2009-03-25 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.096 (95.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.096 · newest: 0.096 · change: 0.000

Affected products

Adobe Acrobat Reader

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

secunia.com/advisories/34790 (Third Party Advisory, third-party-advisory)
www.adobe.com/support/security/bulletins/apsb09-04.html (Patch, Vendor Advisory)
www.securityfocus.com/bid/34229 (Patch, VDB Entry, Third Party Advisory, vdb-entry)
secunia.com/advisories/34490 (Third Party Advisory, third-party-advisory)
secunia.com/secunia_research/2009-14/ (Third Party Advisory)
www.securitytracker.com/id (VDB Entry, Third Party Advisory, vdb-entry)
www.redhat.com/support/errata/RHSA-2009-0376.html (vendor-advisory, Third Party Advisory)
secunia.com/advisories/34392 (Third Party Advisory, third-party-advisory)
lists.opensuse.org/opensuse-security-announce/2009-03/msg00005.html (vendor-advisory, Mailing List, Third Party Advisory)
secunia.com/advisories/34706 (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2009-0193?: CVE-2009-0193 is a vulnerability in Adobe Acrobat Reader, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2009-03-25.
Is CVE-2009-0193 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.