swfdump v0.9.2 was discovered to contain a heap buffer overflow in the function swf_GetPlaceObject at swfobject.c.

published 2023-03-23 3 y ago modified 2026-07-09 4 mo ago also EUVD-2023-31027

cvss: 5.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits: 0; none known

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 20 mo ago (2025-02-25)

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/keepinggg/poc/blob/main/poc_of_swfdump/poc referenced PoC, tagged "exploit" by a source, unverified
github.com https://github.com/matthiaskramm/swftools/issues/197 referenced PoC, tagged "exploit" by a source, unverified
github.com https://github.com/keepinggg/poc/tree/main/poc_of_swfdump referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

Weakness

CWE-787 Out-of-bounds Write

References

github.com /keepinggg/poc/blob/main/poc_of_swfdump/poc
exploit, third-party-advisory
github.com /matthiaskramm/swftools/issues/197
exploit, issue-tracking, third-party-advisory
github.com /keepinggg/poc/tree/main/poc_of_swfdump
exploit, third-party-advisory
github.com /matthiaskramm/swftools
product

Sources

CVE List CVE-2023-27249
NVD CVE-2023-27249

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary