CVE-2023-27249
CVE-2023-27249 is a medium-severity vulnerability in Swftools with a CVSS 3.x base score of 5.5. 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-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (28th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Swftools
- Published:
- Last modified:
Description
swfdump v0.9.2 was discovered to contain a heap buffer overflow in the function swf_GetPlaceObject at swfobject.c.
Frequently asked questions
- What is CVE-2023-27249?
- swfdump v0.9.2 was discovered to contain a heap buffer overflow in the function swf_GetPlaceObject at swfobject.c.
- How severe is CVE-2023-27249?
- CVE-2023-27249 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-27249 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-27249?
- CVE-2023-27249 affects Swftools. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-27249?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-27249 published?
- CVE-2023-27249 was published on 2023-03-23 and last updated on 2026-07-05.
References
- https://github.com/keepinggg/poc/blob/main/poc_of_swfdump/poc
- https://github.com/keepinggg/poc/tree/main/poc_of_swfdump
- https://github.com/matthiaskramm/swftools
- https://github.com/matthiaskramm/swftools/issues/197
- http://swfdump.com
Affected products (1)
- cpe:2.3:a:swftools:swftools:0.9.2:*:*:*:*:*:*:*
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…
Other CWE-787 (Out-of-bounds Write) vulnerabilities
- CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
- CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src modules). This vulnerability is…
- CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
- CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
- CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
- CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…