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TI-2023-19202 Aliases CVE-2023-37644GHSA-6gfr-4r2m-wr5p

SWFTools 0.9.2 772e55a allows attackers to trigger a large memory-allocation attempt via…

Priority MEDIUM 58CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0027 19th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:swftools:swftools:0.9.2:*:*:*:*:*:*:*0.9.2VulnerableSwftools
  • cpe:2.3:a:swftools:swftools:0.9.2:*:*:*:*:*:*:* Versions 0.9.2 Vulnerable ·Swftools

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-37644
  2. 2026-10-03 Alias added: GHSA-6gfr-4r2m-wr5p

References

Exploit 1

  • TI-2022-18945 SWFTools commit 772e55a was discovered to contain a heap-use-after-free via the function grow_unicode at /lib/ttf.c. CVSS 3.1CRITICAL 9.8
  • TI-2022-18944 SWFTools commit 772e55a was discovered to contain a heap-buffer overflow via the function readU8 at /lib/ttf.c. CVSS 3.1CRITICAL 9.8
  • TI-2024-16610 A global-buffer-overflow vulnerability was found in SWFTools v0.9.2, in the function LineText at lib/swf5compiler.flex. CVSS 3.1HIGH 8.8
  • TI-2024-18884 Null Pointer Dereference vulnerability in swfdump in swftools 0.9.2 allows attackers to… CVSS 3.1HIGH 7.5
  • TI-2024-15195 swftools 0.9.2 was discovered to contain a heap-use-after-free vulnerability via the… CVSS 3.1HIGH 7.8
  • TI-2024-15185 swftools 0.9.2 was discovered to contain a heap-use-after-free via the function… CVSS 3.1HIGH 7.8
See all 125 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences