What is CVE-2012-4895?

CVE-2012-4895 is a vulnerability in Sumatrapdfreader Sumatrapdf, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2012-10-05.

Is CVE-2012-4895 known to be exploited?

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

Buffer overflow in Sumatrapdfreader Sumatrapdf

CVE-2012-4895

Heap-based buffer overflow in SumatraPDF before 2.1 allows remote attackers to execute arbitrary code via a crafted PDF document, a different vulnerability than CVE-2012-4896.

Vulnerability class: Buffer Overflow

Published 2012-10-05 · 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: 0.052 (92.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.052 · newest: 0.052 · change: 0.000

Affected products

Sumatrapdfreader Sumatrapdf — versions 0.1, 0.2, 0.3

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2012-4895?: CVE-2012-4895 is a vulnerability in Sumatrapdfreader Sumatrapdf, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2012-10-05.
Is CVE-2012-4895 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.