{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-6384/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[{"cvss":7.3,"id":"CVE-2026-6384"}],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["high"],"_cs_tags":["cve-2026-6384","gimp","buffer-overflow","dos"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eA buffer overflow vulnerability, CVE-2026-6384, has been identified in the GIF image loading component of GIMP (GNU Image Manipulation Program). The vulnerability resides within the \u003ccode\u003eReadJeffsImage\u003c/code\u003e function. An attacker can exploit this flaw by crafting a malicious GIF file that, when processed by GIMP, causes a write operation beyond the allocated buffer. Successful exploitation can result in a denial of service (DoS) condition or, potentially, arbitrary code execution. This vulnerability poses a risk to systems where GIMP is used to process potentially untrusted GIF files.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker crafts a malicious GIF file designed to trigger the buffer overflow.\u003c/li\u003e\n\u003cli\u003eThe attacker delivers the malicious GIF file to a target user, potentially through social engineering or a compromised website.\u003c/li\u003e\n\u003cli\u003eThe user opens the malicious GIF file with GIMP.\u003c/li\u003e\n\u003cli\u003eGIMP\u0026rsquo;s \u003ccode\u003eReadJeffsImage\u003c/code\u003e function attempts to process the malformed GIF data.\u003c/li\u003e\n\u003cli\u003eThe \u003ccode\u003eReadJeffsImage\u003c/code\u003e function writes beyond the bounds of an allocated buffer due to insufficient size validation.\u003c/li\u003e\n\u003cli\u003eThis buffer overflow overwrites adjacent memory regions.\u003c/li\u003e\n\u003cli\u003eIf the overwritten memory contains critical program data or executable code, it can lead to a denial of service.\u003c/li\u003e\n\u003cli\u003eIn a more sophisticated attack, the overflow could be carefully crafted to overwrite execution flow and achieve arbitrary code execution.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this buffer overflow vulnerability (CVE-2026-6384) can lead to a denial-of-service condition, crashing the GIMP application and preventing users from processing images. More critically, it can potentially allow an attacker to execute arbitrary code on the affected system, leading to complete system compromise. The vulnerability affects any system where a user opens a malicious GIF file using a vulnerable version of GIMP.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply the security patches provided by GIMP to address CVE-2026-6384.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u003ccode\u003eDetectSuspiciousGimpProcess\u003c/code\u003e to detect potential exploitation attempts based on process execution (log source: \u003ccode\u003eprocess_creation\u003c/code\u003e).\u003c/li\u003e\n\u003cli\u003eMonitor file access events (\u003ccode\u003efile_event\u003c/code\u003e) for GIMP accessing unusual or temporary file locations when opening GIF files.\u003c/li\u003e\n\u003cli\u003eEducate users to be cautious when opening GIF files from untrusted sources to mitigate initial access vectors.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-15T20:16:44Z","date_published":"2026-04-15T20:16:44Z","id":"/briefs/2026-04-gimp-gif-overflow/","summary":"A buffer overflow vulnerability in the GIF image loading component of GIMP allows an attacker to write beyond an allocated buffer by processing a specially crafted GIF file, potentially leading to denial of service or arbitrary code execution.","title":"GIMP GIF Image Buffer Overflow Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-04-gimp-gif-overflow/"}],"language":"en","title":"CraftedSignal Threat Feed — Cve-2026-6384","version":"https://jsonfeed.org/version/1.1"}