HOMEVULNERABILITIESCVE-2023-37644
MEDIUM

CVE-2023-37644

CWE-787Published: January 11, 2024· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official Description

SWFTools 0.9.2 772e55a allows attackers to trigger a large memory-allocation attempt via a crafted document, as demonstrated by pdf2swf. This occurs in png_read_chunk in lib/png.c.

NVD Source

Technical Analysis

CVE-2023-37644 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Vendors & Products

swftools1 product(s)
swftools
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://github.com/matthiaskramm/swftools/issues/202
ADVISORYhttps://github.com/matthiaskramm/swftools/issues/202

All References (2)

→
https://github.com/matthiaskramm/swftools/issues/202Exploit · Issue Tracking · Vendor Advisory
→
https://github.com/matthiaskramm/swftools/issues/202Exploit · Issue Tracking · Vendor Advisory

Quick Facts

CVE IDCVE-2023-37644
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedJan 11, 2024

Related CVEs (CWE-787)

CVE-2009-2466
10.0
CVE-2002-2227
10.0
CVE-2018-10718
10.0
CVE-2026-4746
10.0
CVE-2026-42369
10.0
CVE-2011-1807
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-37644 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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