CVE-2026-118753：FreeImage (danoli3 fork) 3.19.25 以前版本的 GIF_PLAYBACK 合成導致 Heap Buffer Overflow
CVE-2026-118753 - FreeImage (danoli3 fork) before 3.19.25 Heap Buffer Overflow via GIF_PLAYBACK Compositing
FreeImage (danoli3 fork) 在 3.19.25 以前的版本中存在 Heap Buffer Overflow 漏洞，攻擊者可透過 GIF_PLAYBACK 合成載入未受限制的 GIF 檔案造成堆記憶體破壞。
瞭解此 Heap Buffer Overflow 影響的 FreeImage 版本及修復方法，可及時更新防止潛在攻擊。
FreeImage (danoli3 fork) before 3.19.25 contains a heap buffer overflow vulnerability in PluginGIF.cpp that allows attackers to write past the canvas allocation via unclipped GIF frame rectangles. Attackers can craft a GIF whose frame left plus width exceeds the logical screen width, causing GifPlaybackCompositeFrame() and GifPlaybackFillRect() to corrupt heap memory when loaded with GIF_PLAYBACK.
Impact
Affected Products
The following products are affected by CVE-2026-118753
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
| ID | Vendor | Product | Action |
|---|---|---|---|
| 1 | Freeimage_project | freeimage |
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | HIGH | MITRE-CVE | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Update FreeImage to version 3.19.25 or later to fix a heap buffer overflow.
- Update FreeImage to version 3.19.25 or later.
- Avoid loading untrusted GIF files with GIF_PLAYBACK.
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-118753.
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-118753 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-118753
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-118753 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-118753 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
十月. 28, 2026
Action Type Old Value New Value Added Description FreeImage (danoli3 fork) before 3.19.25 contains a heap buffer overflow vulnerability in PluginGIF.cpp that allows attackers to write past the canvas allocation via unclipped GIF frame rectangles. Attackers can craft a GIF whose frame left plus width exceeds the logical screen width, causing GifPlaybackCompositeFrame() and GifPlaybackFillRect() to corrupt heap memory when loaded with GIF_PLAYBACK. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-787 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/118xxx/CVE-2026-118753.json">CVE-2026-118753</a> Added Reference https://github.com/danoli3/FreeImage Added Reference https://github.com/danoli3/FreeImage/blob/3.19.24/Source/FreeImage/PluginGIF.cpp#L719-L772 Added Reference https://github.com/danoli3/FreeImage/commit/0da5ddb4d311e5222251348cca1aa988478b1034 Added Reference https://github.com/danoli3/FreeImage/commit/96f4099f8e307484ba69b4aa14d772b7679a1bfb Added Reference https://github.com/danoli3/FreeImage/pull/183 Added Reference https://github.com/danoli3/FreeImage/releases/tag/3.19.25 Added Reference https://www.vulncheck.com/advisories/freeimage-danoli3-fork-before-3.19.25-heap-buffer-overflow-via-gif-playback-compositing
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.