UBUNTU-CVE-2026-12259

In nltk version 3.9.4, the nltk.downloader.Downloader.downloadpackage function writes downloaded package bytes to disk and may extract them before enforcing SHA-256 or MD5 checksum validation. This allows an attacker to tamper with the package response body for info.url through a compromised...

CVE-2026-12259

The CVE affects nltk 3.9.4: nltk.downloader.Downloader._download_package() can write package bytes to disk and may extract them before SHA-256/MD5 checks, enabling tampering via compromised mirrors or proxies. This could lead to installation of attacker-controlled package bytes (potentially malic...

EUVD-2026-52226

In nltk version 3.9.4, the nltk.downloader.Downloader.downloadpackage function writes downloaded package bytes to disk and may extract them before enforcing SHA-256 or MD5 checksum validation. This allows an attacker to tamper with the package response body for info.url through a compromised...

CVE-2026-12259 Improper Input Validation in nltk/nltk

In nltk version 3.9.4, the nltk.downloader.Downloader.downloadpackage function writes downloaded package bytes to disk and may extract them before enforcing SHA-256 or MD5 checksum validation. This allows an attacker to tamper with the package response body for info.url through a compromised...

CVE-2026-50642 Terminal Escape Injection in diff‑so‑fancy

diff‑so‑fancy does not properly sanitize non‑SGR terminal control sequences before outputting diff data. The application only strips ANSI SGR sequences while allowing other control characters, including carriage return \r and escape sequences e.g., OSC, CSI, to pass through unsanitized. An attack...

CVE-2026-63239

A hard-coded AWS IAM credentials vulnerability in Koollab LMS allowed an attacker to access shared multi-tenant S3 buckets and SQS queues, exposing sensitive data and enabling malicious content injection, job manipulation, or email interception...

EUVD-2026-50123

An unrestricted image upload vulnerability in Koollab LMS allowed an authenticated attacker to upload malicious content disguised as an image file via the feedback mail registration endpoint, potentially enabling further attacks on the server...

CVE-2026-63228

Koollab LMS contains an unrestricted image upload vulnerability (via the feedback mail registration endpoint) that allows an authenticated attacker to upload content disguised as an image, potentially enabling further server attacks. The issue is described across multiple sources (NVD/CVE records...

CVE-2026-63228 Unrestricted image upload vulnerability

An unrestricted image upload vulnerability in Koollab LMS allowed an authenticated attacker to upload malicious content disguised as an image file via the feedback mail registration endpoint, potentially enabling further attacks on the server...

Security update for webkit2gtk3

This update for webkit2gtk3 fixes the following issues: CVE-2024-4367: missing type check when handling fonts in PDF.js can allow arbitrary JavaScript execution bsc1271638. CVE-2026-39872: maliciously crafted web content can lead to an unexpected process crash bsc1271638. CVE-2026-43663:...

CVE-2026-64783

CVE-2026-64783 relates to a use-after-free in WebKit/Safari memory handling. The issue affects Apple platforms where processing malicious web content could crash Safari; vulnerable component is memory management within WebKit-based rendering. Apple indicates fixes are included in Safari 26.6 (and...

EUVD-2026-49438

A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash...

CVE-2026-64730

The issue was addressed with improved UI. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Visiting a website that frames malicious content may lead to UI spoofing...

EUVD-2026-49549

The issue was addressed with improved UI. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Visiting a website that frames malicious content may lead to UI spoofing...

EUVD-2026-49518

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted file may lead to unexpected app...

CVE-2026-64718

CVE-2026-64718 is a use-after-free in WebKit/Safari processing of web content that may crash Safari. The issue is fixed in Safari 26.6 and corresponding OS updates (iOS/iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6). Exploitation would require local access with user intera...

CVE-2026-65903

A flaw was found in DOMPurify. A logic error in the ADDTAGS function allows an attacker to bypass security restrictions. By crafting specific input, an attacker can cause tags that should be removed to remain in the sanitized output. This could lead to the injection of malicious content,...

webkit2gtk3 security update

An update is available for webkit2gtk3. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list WebKitGTK is the port of the portable web rendering engine WebKit to the...

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger an out-of-bounds write due to improper input validation, resulting in an unexpected process crash...

webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory

A flaw was found in WebKitGTK. Processing maliciously crafted web content can trigger a use-after-free due to improper memory handling, leading to disclosure of process memory...