CVE-2024-22956

swftools 0.9.2 was discovered to contain a heap-use-after-free vulnerability via the function...

7.8 High

CVE-2024-22956 is a high vulnerability (CVSS 7.8) in Swftools, published January 19, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.

swftools 0.9.2 was discovered to contain a heap-use-after-free vulnerability via the function removeFromTo at swftools/src/swfc.c:838

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.35%Up 0.3 points since Jan 24, 2024

What each source reports

NVD Score used 7.8

swftools 0.9.2 was discovered to contain a heap-use-after-free vulnerability via the function removeFromTo at swftools/src/swfc.c:838

Record: CVE-2024-22956
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

CVE List 7.8

swftools 0.9.2 was discovered to contain a heap-use-after-free vulnerability via the function removeFromTo at swftools/src/swfc.c:838

Record: CVE-2024-22956
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

EUVDEUVD-2024-20481 7.8

swftools 0.9.2 was discovered to contain a heap-use-after-free vulnerability via the function removeFromTo at swftools/src/swfc.c:838

Record: EUVD-2024-20481
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-rh5p-x36q-j9gf 7.8

swftools 0.9.2 was discovered to contain a heap-use-after-free vulnerability via the function...

swftools 0.9.2 was discovered to contain a heap-use-after-free vulnerability via the function removeFromTo at swftools/src/swfc.c:838

Record: GHSA-rh5p-x36q-j9gf
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

OSVUBUNTU-CVE-2024-22956 7.8

swftools 0.9.2 was discovered to contain a heap-use-after-free vulnerability via the function removeFromTo at swftools/src/swfc.c:838

Record: UBUNTU-CVE-2024-22956
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

swftools

Affected packages

Affected packages
Package	Affected	Fixed
`swftools` Ubuntu:16.04:LTS	All versions, plus listed versions 0.9.2+git20130725-20.9.2+git20130725-2ubuntu10.9.2+git20130725-40.9.2+git20130725-4.1~build0.16.04.1	None known
`swftools` Ubuntu:18.04:LTS	All versions, plus listed versions 0.9.2+git20130725-4.1	None known

History

History
When	Changed	Sources
2026-11-02	created	CVE List, EUVD, GitHub Advisories, NVD, OSV

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

History

References