What is CVE-2023-33802?

CVE-2023-33802 is a medium-severity vulnerability in Sumatrapdfreader Sumatrapdf, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2023-07-26.

How severe is CVE-2023-33802?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2023-33802 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-2023-33802

A buffer overflow in SumatraPDF Reader v3.4.6 allows attackers to cause a Denial of Service (DoS) via a crafted text file.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (20.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Sumatrapdfreader Sumatrapdf — versions 3.4.6
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-33802?: CVE-2023-33802 is a medium-severity vulnerability in Sumatrapdfreader Sumatrapdf, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2023-07-26.
How severe is CVE-2023-33802?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-33802 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.