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CVE-2024-26339VulnerabilityPublished Updated

CVE-2024-26339: swftools · n/a

Affects swftoolsSource CVE Database V5

0

Not known to be exploited · CVSS 9.1 Critical.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Mar 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
GitHubmatthiaskramm/swftoolspkg:github/matthiaskramm/swftoolsOther threatsAffected
  • =0.9.2
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Immediate mitigation involves auditing all systems running swftools v0.9.2 and isolating them from untrusted networks to reduce exposure. Since no official patches are currently linked, organizations should consider applying manual code reviews and fixes to replace unsafe strcpy calls with safer alternatives like memcpy with explicit bounds checking or strlcpy where available. Employ compiler-level protections such as stack canaries, address space layout randomization (ASLR), and non-executable memory regions (DEP/NX) to hinder exploitation. Monitor network traffic for anomalous SWF file processing requests and implement strict input validation to block malformed or suspicious Flash files. Where possible, transition away from swftools or Flash-based workflows to modern, supported technologies to eliminate the attack vector. Maintain vigilance for vendor updates or community patches and apply them promptly once available.

Description

swftools v0.9.2 was discovered to contain a strcpy parameter overlap via /home/swftools/src/swfc+0x48318a.

References

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