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Search Results (43504 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2025-71237 | 1 Linux | 1 Linux Kernel | 2026-04-20 | 5.5 Medium |
| In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if end_block is too small. Since nblocks is of type sector_t, which is u64, a negative nblocks value will become a very large positive integer. This ultimately leads to the block layer function __blkdev_issue_discard() taking an excessively long time to process the bio chain, and the ns_segctor_sem lock remains held for a long period. This prevents other tasks from acquiring the ns_segctor_sem lock, resulting in the hang reported by syzbot in [1]. If the ending block is too small, typically if it is smaller than 4KiB range, depending on the usage of the segment 0, it may be possible to attempt a discard request beyond the device size causing the hang. Exiting successfully and assign the discarded size (0 in this case) to range->len. Although the start and len values in the user input range are too small, a conservative strategy is adopted here to safely ignore them, which is equivalent to a no-op; it will not perform any trimming and will not throw an error. [1] task:segctord state:D stack:28968 pid:6093 tgid:6093 ppid:2 task_flags:0x200040 flags:0x00080000 Call Trace: rwbase_write_lock+0x3dd/0x750 kernel/locking/rwbase_rt.c:272 nilfs_transaction_lock+0x253/0x4c0 fs/nilfs2/segment.c:357 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2569 [inline] nilfs_segctor_thread+0x6ec/0xe00 fs/nilfs2/segment.c:2684 [ryusuke: corrected part of the commit message about the consequences] | ||||
| CVE-2025-3522 | 2 Mozilla, Redhat | 6 Thunderbird, Enterprise Linux, Rhel Aus and 3 more | 2026-04-20 | 6.3 Medium |
| Thunderbird processes the X-Mozilla-External-Attachment-URL header to handle attachments which can be hosted externally. When an email is opened, Thunderbird accesses the specified URL to determine file size, and navigates to it when the user clicks the attachment. Because the URL is not validated or sanitized, it can reference internal resources like chrome:// or SMB share file:// links, potentially leading to hashed Windows credential leakage and opening the door to more serious security issues. This vulnerability was fixed in Thunderbird 137.0.2 and Thunderbird 128.9.2. | ||||
| CVE-2025-4091 | 2 Mozilla, Redhat | 8 Firefox, Thunderbird, Enterprise Linux and 5 more | 2026-04-20 | 8.1 High |
| Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Thunderbird 138, and Thunderbird 128.10. | ||||
| CVE-2025-5264 | 2 Mozilla, Redhat | 7 Firefox, Enterprise Linux, Rhel Aus and 4 more | 2026-04-20 | 4.8 Medium |
| Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11. | ||||
| CVE-2025-6429 | 2 Mozilla, Redhat | 8 Firefox, Firefox Esr, Enterprise Linux and 5 more | 2026-04-20 | 6.5 Medium |
| Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an `embed` tag. This could have bypassed website security checks that restricted which domains users were allowed to embed. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12. | ||||
| CVE-2025-6838 | 1 Wordpress | 1 Wordpress | 2026-04-20 | 4.1 Medium |
| The Broken Link Notifier plugin for WordPress is vulnerable to CSV Injection in all versions up to, and including, 1.3.0 via broken links that are later exported. This makes it possible for authenticated attackers, with Contributor-level access and above, to embed untrusted input into exported CSV files, which can result in code execution when these files are downloaded and opened on a local system with a vulnerable configuration. | ||||
| CVE-2026-33849 | 1 Linkingvision | 1 Rapidvms | 2026-04-20 | 8.8 High |
| Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in linkingvision rapidvms.This issue affects rapidvms: before PR#96. | ||||
| CVE-2026-33848 | 1 Linkingvision | 1 Rapidvms | 2026-04-20 | 8.8 High |
| Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in linkingvision rapidvms.This issue affects rapidvms: before PR#96. | ||||
| CVE-2026-33847 | 1 Linkingvision | 1 Rapidvms | 2026-04-20 | 7.8 High |
| Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in linkingvision rapidvms.This issue affects rapidvms: before PR#96. | ||||
| CVE-2026-33392 | 1 Jetbrains | 1 Youtrack | 2026-04-20 | 7.2 High |
| In JetBrains YouTrack before 2025.3.131383 high privileged user can achieve RCE via sandbox bypass | ||||
| CVE-2026-40962 | 1 Ffmpeg | 1 Ffmpeg | 2026-04-20 | 4.9 Medium |
| FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c. | ||||
| CVE-2025-10537 | 2 Mozilla, Redhat | 4 Firefox, Firefox Esr, Thunderbird and 1 more | 2026-04-20 | 8.8 High |
| Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3. | ||||
| CVE-2025-11714 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-20 | 8.8 High |
| Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4. | ||||
| CVE-2025-11713 | 2 Microsoft, Mozilla | 4 Windows, Firefox, Firefox Esr and 1 more | 2026-04-20 | 8.1 High |
| Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows. This did not affect the application when running on other operating systems. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4. | ||||
| CVE-2025-11715 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-04-20 | 8.8 High |
| Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4. | ||||
| CVE-2025-11721 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-04-20 | 9.8 Critical |
| Memory safety bug present in Firefox 143 and Thunderbird 143. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144 and Thunderbird 144. | ||||
| CVE-2026-5720 | 1 Miniupnp Project | 1 Miniupnpd | 2026-04-20 | N/A |
| miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting improper length validation in ParseHttpHeaders(), where the parsed length underflows to a large unsigned value when passed to memchr(), causing the process to scan memory far beyond the allocated HTTP request buffer. | ||||
| CVE-2026-29013 | 1 Libcoap | 1 Libcoap | 2026-04-20 | N/A |
| libcoap contains out-of-bounds read vulnerabilities in OSCORE Appendix B.2 CBOR unwrap handling where get_byte_inc() in src/oscore/oscore_cbor.c relies solely on assert() for bounds checking, which is removed in release builds compiled with NDEBUG. Attackers can send crafted CoAP requests with malformed OSCORE options or responses during OSCORE negotiation to trigger out-of-bounds reads during CBOR parsing and potentially cause heap buffer overflow writes through integer wraparound in allocation size computation. | ||||
| CVE-2026-33436 | 1 Stirlingpdf | 1 Stirling Pdf | 2026-04-20 | 3.1 Low |
| Stirling-PDF is a locally hosted web application that facilitates various operations on PDF files. In versions prior to 2.0.0, file upload endpoints render user-supplied filenames directly into HTML using unsafe methods like innerHTML without sanitization. An attacker can craft a file with a malicious filename containing JavaScript that executes in the uploading user's browser context, resulting in reflected XSS. The issue affects numerous upload endpoints across the application. The issue has been fixed in version 2.0.0. | ||||
| CVE-2026-40334 | 1 Gphoto | 1 Libgphoto2 | 2026-04-20 | 3.5 Low |
| libgphoto2 is a camera access and control library. In versions up to and including 2.5.33, a missing null terminator exists in ptp_unpack_Canon_FE() in camlibs/ptp2/ptp-pack.c (line 1377). The function copies a filename into a 13-byte buffer using strncpy without explicitly null-terminating the result. If the source data is exactly 13 bytes with no null terminator, the buffer is left unterminated, leading to out-of-bounds reads in any subsequent string operation. Commit 259fc7d3bfe534ce4b114c464f55b448670ab873 patches the issue. | ||||