How severe is CVE-2017-9926?

CVE-2017-9926 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-9926 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9926?

CVE-2017-9926 affects Swftools. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-9926?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-9926 published?

CVE-2017-9926 was published on 2017-07-05 and last updated on 2026-06-17.

CVE-2017-9926

CVE-2017-9926 is a high-severity vulnerability in Swftools with a CVSS 3.x base score of 8.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Swftools
Published: 2017-07-05
Last modified: 2026-06-17

Description

In SWFTools 2013-04-09-1007 on Windows, png2swf allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted file, related to a "Read Access Violation starting at image00000000_00400000+0x000000000001b596."

Frequently asked questions

What is CVE-2017-9926?: In SWFTools 2013-04-09-1007 on Windows, png2swf allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted file, related to a "Read Access Violation starting at image00000000_00400000+0x000000000001b596."
How severe is CVE-2017-9926?: CVE-2017-9926 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-9926 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9926?: CVE-2017-9926 affects Swftools. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9926?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-9926 published?: CVE-2017-9926 was published on 2017-07-05 and last updated on 2026-06-17.

References

https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-9926

Affected products (1)

cpe:2.3:a:swftools:swftools:2013-04-09-1007:*:*:*:*:*:*:*

More vulnerabilities in Swftools

CVE-2022-40009 — Critical (CVSS 9.8): SWFTools commit 772e55a was discovered to contain a heap-use-after-free via the function grow_unicode at /lib/ttf.c.
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…

All CVEs affecting Swftools →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →