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Search Results (85910 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-14191 | 2026-07-09 | 7.8 High | ||
| An out-of-bounds heap write exists in the RAR5 recovery-volume (.rev) parser in WinRAR and UnRAR (RecVolumes5::ReadHeader in recvol5.cpp). The RecItems vector is sized only when the first .rev file in a set is processed; subsequent .rev files supply an independent RecNum value that is validated against that file's own TotalCount field but never against the actual size of RecItems. A crafted set of two or more .rev files can therefore write an attacker-controlled 32-bit value (the header's RevCRC field) to RecItems[RecNum] at an attacker-controlled offset up to 65534 * sizeof(RecVolItem) bytes past the allocation, corrupting adjacent heap objects. Triggering requires the victim to run a recovery/test operation on an attacker-supplied .rev set (for example 'unrar t x.part1.rev', WinRAR 'Repair archive', or auto-recovery when extracting a volume set with a missing .rar part). This is the RAR5-path sibling of CVE-2023-40477 (which was fixed in the RAR3 path only in WinRAR 6.23). Fixed in WinRAR / RAR 7.23. | ||||
| CVE-2026-12277 | 2 Frontend File Manager Plugin, Wordpress | 2 Frontend File Manager Plugin, Wordpress | 2026-07-09 | 8.7 High |
| The Frontend File Manager Plugin WordPress plugin through 23.6 does not validate a file path derived from user input before deleting the referenced file, allowing unauthenticated users to delete arbitrary files on the server (such as wp-config.php) when guest upload mode is enabled. Deleting wp-config.php forces the site into its setup routine, which can be leveraged toward a full site takeover. | ||||
| CVE-2026-7838 | 1 Uvnc | 1 Ultravnc | 2026-07-09 | 8.8 High |
| UltraVNC viewer through 1.8.2.2 contains an integer overflow leading to a heap buffer overflow in the RFB protocol failure-response parsing path. In vncviewer/ClientConnection.cpp, the 4-byte network-supplied reasonLen field (type CARD32) is passed as reasonLen+1 to CheckBufferSize(). Because both operands are unsigned 32-bit, a reasonLen of 0xFFFFFFFF overflows to 0, causing CheckBufferSize to allocate only 256 bytes. The subsequent ReadString(m_netbuf, reasonLen) call then performs ReadExact for the original 4 GiB length into that 256-byte heap buffer. This overflow is reachable via rfbConnFailed (auth-scheme negotiation) and rfbVncAuthFailed (post-handshake) message types without successful authentication. A malicious VNC server, or any man-in-the-middle on the RFB stream, can trigger this condition when the victim viewer connects, potentially resulting in remote code execution as the user running the viewer. The crash was confirmed with AddressSanitizer on a portable reproduction harness (heap-buffer-overflow WRITE at offset 256). | ||||
| CVE-2026-7831 | 1 Uvnc | 1 Ultravnc | 2026-07-09 | 7.5 High |
| UltraVNC viewer through 1.8.2.2 contains an off-by-one stack buffer overflow in the RFB ServerInit message handler. In vncviewer/ClientConnection.cpp, when the server-supplied nameLength equals exactly 2024 the code declares a 2024-byte stack buffer _dn[2024] and calls ReadString(_dn, 2024). ReadString writes the NUL terminator at buf[length], i.e., _dn[2024], one byte past the end of the stack buffer. A malicious VNC server can trigger this condition by advertising a desktop name of length 2024 in its ServerInit message. On release builds without stack canaries the single-byte NUL overwrite adjacent stack data. On builds with /GS stack protection the canary is corrupted and the process terminates, resulting in denial of service. User interaction (connecting the viewer to the malicious server) is required. | ||||
| CVE-2026-7830 | 1 Uvnc | 1 Ultravnc | 2026-07-09 | 7.4 High |
| UltraVNC through 1.8.2.2 uses inadequate cryptography in the MS-Logon II authentication scheme (rfbUltraVNC_MsLogonIIAuth). In rfb/dh.cpp the Diffie-Hellman key exchange is performed with parameters that fit in an unsigned 64-bit integer (DH_MAX_BITS controls the prime size). A 64-bit DH key can be broken by Pollard's rho algorithm in under one second on current hardware. Additionally, the private exponent is generated by the rng() function, which multiplies three libc rand() values seeded from time(NULL). With approximately 31 bits of internal state and a time-based seed, the private exponent is recoverable in under a minute by a passive observer. A network attacker who can observe the MS-Logon II handshake (via sniffing, recording, or man-in-the-middle) can derive the shared DH key and decrypt the encapsulated username and password, resulting in full credential disclosure. This affects legacy MS-Logon II connections; MS-Logon III (X25519 + AES-256-GCM) is unaffected. | ||||
| CVE-2026-7829 | 1 Uvnc | 1 Ultravnc | 2026-07-09 | 7.2 High |
| 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 temp1[rule1] (25-byte destination) or temp2/temp3 (16-byte destination), the code unconditionally writes a NUL terminator at temp1[rule1][len] = 0 without clamping len to the destination size. When an authenticated administrator saves a rule with a token length equal to or greater than the destination size, the NUL byte is written one or more bytes past the end of the stack-allocated array, corrupting adjacent stack data. An attacker who has obtained admin credentials (including via CVE-2026-7839 default password) can trigger this to gain code execution on the repeater host. | ||||
| CVE-2026-13778 | 1 Google | 1 Chrome | 2026-07-09 | 7.8 High |
| Use after free in WebUSB in Google Chrome on Mac prior to 150.0.7871.47 allowed a local attacker to execute arbitrary code via a malicious peripheral. (Chromium security severity: Critical) | ||||
| CVE-2026-13779 | 1 Google | 1 Chrome | 2026-07-09 | 8.1 High |
| Use after free in Chromoting in Google Chrome on ChromeOS prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Critical) | ||||
| CVE-2026-13787 | 1 Google | 1 Chrome | 2026-07-09 | 8.1 High |
| Use after free in Chromoting in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Critical) | ||||
| CVE-2026-13791 | 1 Google | 1 Chrome | 2026-07-09 | 8.1 High |
| Insufficient validation of untrusted input in Downloads in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code via a crafted Chrome Extension. (Chromium security severity: High) | ||||
| CVE-2026-13794 | 1 Google | 1 Chrome | 2026-07-09 | 7.5 High |
| Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a crafted HTML page. (Chromium security severity: High) | ||||
| CVE-2026-13800 | 1 Google | 1 Chrome | 2026-07-09 | 7.8 High |
| Inappropriate implementation in Updater in Google Chrome on Windows prior to 150.0.7871.47 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: High) | ||||
| CVE-2026-13802 | 1 Google | 1 Chrome | 2026-07-09 | 7.5 High |
| Use after free in Views in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a crafted HTML page. (Chromium security severity: High) | ||||
| CVE-2026-13805 | 1 Google | 1 Chrome | 2026-07-09 | 8.8 High |
| Use after free in GFX in Google Chrome on Mac prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High) | ||||
| CVE-2026-13807 | 1 Google | 1 Chrome | 2026-07-09 | 7.5 High |
| Use after free in Import in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a malicious file. (Chromium security severity: High) | ||||
| CVE-2026-13815 | 1 Google | 1 Chrome | 2026-07-09 | 8.8 High |
| Use after free in Blink in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High) | ||||
| CVE-2026-13821 | 1 Google | 1 Chrome | 2026-07-09 | 8.8 High |
| Use after free in Canvas in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High) | ||||
| CVE-2026-13827 | 1 Google | 1 Chrome | 2026-07-09 | 7.8 High |
| Use after free in Updater in Google Chrome on Mac prior to 150.0.7871.47 allowed a local attacker to perform privilege escalation via a malicious file. (Chromium security severity: High) | ||||
| CVE-2026-13831 | 1 Google | 1 Chrome | 2026-07-09 | 7.5 High |
| Out of bounds read and write in GPU in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High) | ||||
| CVE-2026-13832 | 1 Google | 1 Chrome | 2026-07-09 | 8.3 High |
| Use after free in Headless in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High) | ||||