OSV-2026-565 Heap-buffer-overflow in xmlFAParsePosCharGroup

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=501547873 Crash type: Heap-buffer-overflow READ 1 Crash state: xmlFAParsePosCharGroup xmlFAParseCharGroup xmlFAParseCharGroup...

python: Python base64: Incomplete data decoding due to premature stop at padding

A flaw was found in the Python base64 module. When decoding base64 data using functions like base64.b64decode, the decoding process prematurely stops upon encountering the first padding character. This can result in incomplete data being processed, where any information following the initial...

cpython: Missing character filtering in Python

Missing character filtering has been discovered in Python. When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not...

Improper Output Handling

Apache Log4j Core is vulnerable to Improper Output Handling. The vulnerability is due to XmlLayout failing to sanitize characters forbidden by the XML 1.0 specification, allowing log messages or MDC values to produce malformed XML or trigger exceptions during logging, which can lead to dropped or...

php: PHP: Denial of Service via invalid character sequence in PDO PostgreSQL prepared statement

A flaw was found in PHP. When the PDO PHP Data Objects PostgreSQL driver is configured with PDO::ATTREMULATEPREPARES enabled, a remote attacker can exploit a vulnerability by providing an invalid character sequence within a prepared statement parameter. This can cause a null pointer dereference,...

gnupg: GnuPG: Signature bypass via form feed character in signed messages

A flaw was found in GnuPG. An adversary can exploit this vulnerability by crafting a signed message that includes a form feed character \f at the end of a plaintext line. This allows the adversary to append additional, unsigned text to the message while the signature verification still reports...

cpython: Missing character filtering in Python

Missing character filtering has been discovered in Python. When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not...

cpython: Incomplete control character validation in http.cookies

A control character validation flaw has been discovered in the Python http.cookie module. The Morsel.update, |= operator, and unpickling paths were not patched to resolve CVE-2026-0672, allowing control characters to bypass input validation. Additionally, BaseCookie.jsoutput lacked the output...

CVE-2026-40021

Apache Log4net before version 3.3.0 contains a vulnerability in XmlLayout and XmlLayoutSchemaLog4J where characters forbidden by XML 1.0 are not sanitized in MDC keys/values and the identity field. The issue causes a serialization exception and silent loss of the affected log event, which can be ...

EUVD-2026-21334

A stack-based buffer overflow vulnerability exists in Notepad++ version 8.9.3 in the file drop handler component. When a user drags and drops a directory path of exactly 259 characters without a trailing backslash, the application appends a backslash and null terminator without proper bounds...

CVE-2026-5525

A stack-based buffer overflow vulnerability exists in Notepad++ version 8.9.3 in the file drop handler component. When a user drags and drops a directory path of exactly 259 characters without a trailing backslash, the application appends a backslash and null terminator without proper bounds...

CVE-2026-5525

A stack-based buffer overflow vulnerability exists in Notepad++ version 8.9.3 in the file drop handler component. When a user drags and drops a directory path of exactly 259 characters without a trailing backslash, the application appends a backslash and null terminator without proper bounds...

CVE-2026-5525 Stack-Based Buffer Overflow in Notepad++ File Drop Handler leads to DoS

A stack-based buffer overflow vulnerability exists in Notepad++ version 8.9.3 in the file drop handler component. When a user drags and drops a directory path of exactly 259 characters without a trailing backslash, the application appends a backslash and null terminator without proper bounds...

CVE-2026-5525

CVE-2026-5525 affects Notepad++ up to version 8.9.3. The issue is a stack-based buffer overflow in the file drop handler (WM_DROPFILES) when dropping a directory path of exactly 259 characters without a trailing backslash. The handler appends a backslash and a null terminator without proper bound...

Apache Log4j 安全漏洞

Apache Log4j is an open-source logging tool based on Java, developed by the Apache Foundation in the United States. There is a security vulnerability in Apache Log4j, which stems from Log4j1XmlLayout failing to escape characters prohibited by the XML 1.0 standard, potentially resulting in...

GHSA-5478-66C3-RHXR Pretext: Algorithmic Complexity (DoS) in the text analysis phase

isRepeatedSingleCharRun in src/analysis.ts line 285 re-scans the entire accumulated segment on every merge iteration during text analysis, producing On² total work for input consisting of repeated identical punctuation characters. An attacker who controls text passed to prepare can block the main...

Inefficient Algorithmic Complexity

Overview @chenglou/pretext is a Fast, accurate & comprehensive text measurement & layout Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the isRepeatedSingleCharRun function during text analysis. An attacker can cause significant performance...

CVE-2026-35455

Immich (self-hosted photo/video management) has a Stored XSS in the 360° panorama viewer prior to version 2.7.0. An authenticated user can upload an equirectangular image containing crafted text; OCR extracts it and the panorama viewer renders it via innerHTML without sanitization. This allows ar...

pyLoad 路径遍历漏洞

pyLoad is an open-source download manager written in Python. Versions of pyLoad prior to 0.5.0b3.dev97 contained a path traversal vulnerability. This vulnerability stemmed from the safeextractall function, which used os.path.commonprefix for path traversal checks. Instead of performing path-level...

OPENSUSE-SU-2026:20464-1 Security update for cockpit-repos

This update for cockpit-repos fixes the following issue: - CVE-2026-26996: minimatch: ReDoS when glob pattern contains many consecutive wildcards followed by a literal character that doesn't appear in the test string bsc1258637...