← Vulnerability feed
Start free
Open in platform
Vulnerability record · CVE-2026-83596 · published 31 August 2026
CVE-2026-83596: Classic buffer overflow vulnerability
A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to improper memory handling.
8.8 CVSS 3.1 High EPSS 0.29% · top 80.3% CWE-120 · Classic buffer overflow Awaiting Analysis
8.8CVSS 3.1 base score
0.29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
22 Sep 2026Last modified by NVD
Description
A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to improper memory handling.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
Track CVE-2026-83596 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
5.5CVE-2025-43520Apple OS kernel memory corruption via malicious appA memory corruption flaw (classic buffer overflow) in Apple's kernel was fixed across iOS, iPadOS, macOS, tvOS, visionOS and watchOS. A malicious app…KEVEPSS 0.43%analysed8.8CVE-2025-31277Apple WebKit memory corruption via malicious web contentApple WebKit fails to handle memory correctly when processing crafted web content, leading to memory corruption across Safari, iOS, iPadOS, macOS, tv…KEVEPSS 1.6%analysed9.8CVE-2022-37055D-Link Go-RT-AC750 router buffer overflow in cgibin hnap_mainD-Link Go-RT-AC750 firmware revisions A v101b03 and B v200b02 contain a classic buffer overflow reachable through the cgibin hnap_main handler. The f…KEVEPSS 56%analysed9.9CVE-2025-20333Cisco ASA and FTD VPN web server buffer overflow allows root RCECisco Secure Firewall ASA and FTD Software fail to properly validate user-supplied input in HTTP(S) requests to the VPN web server, causing a classic…KEVEPSS 71%analysed9.8CVE-2020-15069Sophos XG Firewall buffer overflow in HTTP/S BookmarksSophos XG Firewall 17.x through v17.5 MR12 contains a classic buffer overflow (CWE-120) reachable through the HTTP/S Bookmarks feature used for clien…KEVEPSS 11%analysed7.8CVE-2023-41064Apple ImageIO buffer overflow allows code execution via crafted imageA buffer overflow in Apple's ImageIO image processing component was fixed in iOS 16.6.1/iPadOS 16.6.1, iOS 15.7.9/iPadOS 15.7.9, macOS Monterey 12.6.…KEVEPSS 53%analysed9.8CVE-2023-33010Zyxel firewall ID processing buffer overflow allows unauthenticated RCEA classic buffer overflow (CWE-120) exists in the ID processing function of multiple Zyxel firewall firmware lines, including ATP, USG FLEX, USG20(W)…KEVEPSS 29%analysed9.8CVE-2023-33009Zyxel firewall notification function buffer overflowA buffer overflow in the notification function of multiple Zyxel firewall and VPN firmware lines (ATP, USG FLEX, USG20(W)-VPN, VPN, ZyWALL/USG) allow…KEVEPSS 28%analysed
Source: NIST National Vulnerability Database (record CVE-2026-83596), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.
