CVE-2022-40009
CVE-2022-40009 is a critical-severity vulnerability in Swftools with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (59th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Swftools
- Published:
- Last modified:
Description
SWFTools commit 772e55a was discovered to contain a heap-use-after-free via the function grow_unicode at /lib/ttf.c.
Frequently asked questions
- What is CVE-2022-40009?
- SWFTools commit 772e55a was discovered to contain a heap-use-after-free via the function grow_unicode at /lib/ttf.c.
- How severe is CVE-2022-40009?
- CVE-2022-40009 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-40009 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-40009?
- CVE-2022-40009 affects Swftools. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-40009?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2022-40009 published?
- CVE-2022-40009 was published on 2022-09-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:swftools:swftools:2021-12-16:*:*:*:*:*:*:*
More vulnerabilities in Swftools
- CVE-2022-40008 — Critical (CVSS 9.8): SWFTools commit 772e55a was discovered to contain a heap-buffer overflow via the function readU8 at /lib/ttf.c.
- CVE-2010-1516 — Critical (CVSS 9.3): Multiple integer overflows in SWFTools 0.9.1 allow remote attackers to execute arbitrary code via (1) a crafted PNG…
- CVE-2024-26339 — Critical (CVSS 9.1): swftools v0.9.2 was discovered to contain a strcpy parameter overlap via /home/swftools/src/swfc+0x48318a.
- CVE-2017-11101 — High (CVSS 8.8): When SWFTools 0.9.2 processes a crafted file in swfcombine, it can lead to a NULL Pointer Dereference in the…
- CVE-2017-11100 — High (CVSS 8.8): When SWFTools 0.9.2 processes a crafted file in swfextract, it can lead to a NULL Pointer Dereference in the…
- CVE-2017-11099 — High (CVSS 8.8): When SWFTools 0.9.2 processes a crafted file in wav2swf, it can lead to a Segmentation Violation in the…
Other CWE-416 (Use After Free) vulnerabilities
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- CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
- CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
- CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
- CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
- CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…