CVE-2026-7828

UltraVNC repeater through 1.8.2.2 contains an integer overflow in the HTTP request logging path. In repeater/webgui/settings.c:336, the winlog function allocates list nodes via mallocsizeofstruct LIST + strlenline, where line is derived from HTTP request URIs. If strlenline is sufficiently large,...

CVE-2026-7828

UltraVNC repeater up to version 1.8.2.2 contains an integer overflow in the HTTP request logging path. In repeater/webgui/settings.c:336, win_log() allocates memory with malloc(sizeof(struct LIST) + strlen(line)); if strlen(line) is large, the size overflows to a value smaller than sizeof(struct ...

EUVD-2026-40880

UltraVNC repeater through 1.8.2.2 contains an integer overflow in the HTTP request logging path. In repeater/webgui/settings.c:336, the winlog function allocates list nodes via mallocsizeofstruct LIST + strlenline, where line is derived from HTTP request URIs. If strlenline is sufficiently large,...

CVE-2026-7828 UltraVNC repeater integer overflow in win_log malloc leading to heap overflow

UltraVNC repeater through 1.8.2.2 contains an integer overflow in the HTTP request logging path. In repeater/webgui/settings.c:336, the winlog function allocates list nodes via mallocsizeofstruct LIST + strlenline, where line is derived from HTTP request URIs. If strlenline is sufficiently large,...

CVE-2026-7828 UltraVNC repeater integer overflow in win_log malloc leading to heap overflow

UltraVNC repeater through 1.8.2.2 contains an integer overflow in the HTTP request logging path. In repeater/webgui/settings.c:336, the winlog function allocates list nodes via mallocsizeofstruct LIST + strlenline, where line is derived from HTTP request URIs. If strlenline is sufficiently large,...

CVE-2026-44042 UltraVNC repeater wi_uudecode off-by-one in base64 decode boundary check

UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, the wiuudecode function checks whether the input length exceeds the output buffer with a strict greater-than comparison , while the...

CVE-2026-44042

UltraVNC repeater up to version 1.8.2.2 contains an off-by-one bug in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, wi_uudecode() uses a strict > check to ensure output fits the buffer, but the correct condition is >=. When strlen(authdata) ...

CVE-2026-44042 UltraVNC repeater wi_uudecode off-by-one in base64 decode boundary check

UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, the wiuudecode function checks whether the input length exceeds the output buffer with a strict greater-than comparison , while the...

EUVD-2026-40877

UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, the wiuudecode function checks whether the input length exceeds the output buffer with a strict greater-than comparison , while the...

CVE-2026-44042

UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, the wiuudecode function checks whether the input length exceeds the output buffer with a strict greater-than comparison , while the...

PT-2026-54489

UltraVNC repeater through 1.8.2.2 initializes the HTTP administration server with a hardcoded default password. In repeater/webgui/settings.c:197, when settings2.txt is absent on first run the repeater writes the literal string "adminadmi2" as the admin password via strcpy ssaved password, 64,...

PT-2026-54485

UltraVNC repeater through 1.8.2.2 contains a post-authentication out-of-bounds write in the allow/deny rule parser. In repeater/webgui/settings.c:225-272, after strncpy s copies a rule token into temp1rule1 25-byte destination or temp2/temp3 16-byte destination, the code unconditionally writes a...

PT-2026-54490

Name of the Vulnerable Software and Affected Versions UltraVNC repeater versions prior to 1.8.2.3 Description The embedded HTTP administration server contains a global buffer overflow. The functions wi senderr and wi replyhdr in repeater/webgui/webutils.c write the HTTP request URI into a fixed...

PT-2026-54479

Name of the Vulnerable Software and Affected Versions UltraVNC repeater versions prior to 1.8.2.3 Description An off-by-one error exists in the Base64 decode helper used for HTTP Basic authentication. The wi uudecode function in the file repeater/webgui/webutils.c uses a strict greater-than...

CVE-2026-53137

A flaw was found in the Linux kernel's drm/amd/display component. A malicious HDMI repeater could exploit this vulnerability during HDCP 2.x repeater authentication by sending a message size larger than the allocated buffer. This could lead to an out-of-bounds write, potentially causing a denial ...

UBUNTU-CVE-2026-53137

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Clamp HDMI HDCP2 rxidlist read to buffer size Why & How During HDCP 2.x repeater authentication over HDMI, the driver reads the sink's RxStatus register and extracts a 10-bit message size field max value 1023. Th...

CVE-2026-53137

CVE-2026-53137 concerns the Linux kernel drm/amd display path where, during HDCP2.x repeater authentication over HDMI, the driver reads the sink RxStatus and uses a 10-bit message size field (max 1023) to set the read length for the ReceiverID list. The length was not clamped to the destination b...

CVE-2026-53137 drm/amd/display: Clamp HDMI HDCP2 rx_id_list read to buffer size

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Clamp HDMI HDCP2 rxidlist read to buffer size Why & How During HDCP 2.x repeater authentication over HDMI, the driver reads the sink's RxStatus register and extracts a 10-bit message size field max value 1023. Th...

CVE-2026-4659

The Unlimited Elements for Elementor plugin for WordPress is vulnerable to Arbitrary File Read via the Repeater JSON/CSV URL parameter in versions up to, and including, 2.0.6. This is due to insufficient path traversal sanitization in the URLtoRelative and urlToPath functions, combined with the...

Arista EOS 安全漏洞

Arista EOS is a fully programmable, highly modular Linux-based network operating system developed by the American company Arista. There is a security vulnerability in Arista EOS, which stems from the possibility for malicious attackers to bypass the 802.1x authentication requirements when...