github.com/klauspost/compress: klauspost/compress: Denial of Service via integer overflow in dictionary processing

A flaw was found in the klauspost/compress package. A remote attacker can exploit this vulnerability by supplying a specially crafted compression dictionary with an excessively large repeat value, triggering an integer overflow. When the dictionary is subsequently processed, this overflow leads t...

Linux Distros Unpatched Vulnerability : CVE-2026-77220

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PDFio before 1.6.5 contains a dangling pointer vulnerability in the dictionary string-formatting function that stores a pointer to a stack-local buffer in the...

DEBIAN-CVE-2026-77220

PDFio before 1.6.5 contains a dangling pointer vulnerability in the dictionary string-formatting function that stores a pointer to a stack-local buffer in the document dictionary without copying the string value. In multi-threaded or pooled-request environments, attackers or concurrent users can...

CVE-2026-77220

PDFio before 1.6.5 contains a dangling pointer vulnerability in the dictionary string-formatting function that stores a pointer to a stack-local buffer in the document dictionary without copying the string value. In multi-threaded or pooled-request environments, attackers or concurrent users can...

CVE-2026-77220

PDFio before 1.6.5 contains a dangling pointer vulnerability in the dictionary string-formatting function that stores a pointer to a stack-local buffer in the document dictionary without copying the string value. In multi-threaded or pooled-request environments, attackers or concurrent users can...

CVE-2026-77220 PDFio < 1.6.5 Dangling Pointer via Dictionary String-Formatting

PDFio before 1.6.5 contains a dangling pointer vulnerability in the dictionary string-formatting function that stores a pointer to a stack-local buffer in the document dictionary without copying the string value. In multi-threaded or pooled-request environments, attackers or concurrent users can...

CVE-2026-77220 PDFio < 1.6.5 Dangling Pointer via Dictionary String-Formatting

PDFio before 1.6.5 contains a dangling pointer vulnerability in the dictionary string-formatting function that stores a pointer to a stack-local buffer in the document dictionary without copying the string value. In multi-threaded or pooled-request environments, attackers or concurrent users can...

CVE-2026-77220

PDFio before 1.6.5 contains a dangling pointer vulnerability in its dictionary string-formatting function. The root cause is that a pointer to a stack-local buffer is stored in the document dictionary without copying the string value. In multi-threaded or pooled-request environments, this allows ...

EUVD-2026-64163

PDFio before 1.6.5 contains a dangling pointer vulnerability in the dictionary string-formatting function that stores a pointer to a stack-local buffer in the document dictionary without copying the string value. In multi-threaded or pooled-request environments, attackers or concurrent users can...

Improper Handling of Alternate Encoding

Overview Affected versions of this package are vulnerable to Improper Handling of Alternate Encoding in its password normalization, which applies Unicode NFKC compatibility normalization before hashing and so folds fullwidth and other compatibility characters to their ASCII equivalents. An attack...

CVE-2026-77220: Expired Pointer Dereference

PDFio before 1.6.5 contains a dangling pointer vulnerability in the dictionary string-formatting function that stores a pointer to a stack-local buffer in the document dictionary without copying the string value. In multi-threaded or pooled-request environments, attackers or concurrent users can...

PT-2026-79487

Name of the Vulnerable Software and Affected Versions PDFio versions prior to 1.6.5 Description A dangling pointer issue exists in the dictionary string-formatting function. The software stores a pointer to a stack-local buffer in the document dictionary instead of copying the string value. In...

CVE-2026-19611

A flaw was found in WildFly Elytron. Password hashing and verification normalize input with Unicode NFKC, which can collapse fullwidth characters to ASCII equivalents. A remote attacker can more easily guess affected passwords by using an ASCII-only dictionary against accounts whose passwords wer...

CVE-2026-19611

The vulnerable component is org.wildfly.security/wildfly-elytron-password-impl in WildFly Elytron. Password hashing/verification applies Unicode NFKC normalization, collapsing fullwidth characters to ASCII equivalents, which reduces the effective password keyspace. This allows a remote attacker t...

PT-2026-79049

Name of the Vulnerable Software and Affected Versions WildFly Elytron affected versions not specified Description Password hashing and verification processes normalize input using Unicode NFKC Normalization Form Compatibility Composition, which can collapse fullwidth characters into their ASCII...

Generation of Predictable IV with CBC Mode

Overview org.springframework.security:spring-security-crypto is a spring-security-crypto library for Spring Security. Affected versions of this package are vulnerable to Generation of Predictable IV with CBC Mode via AesBytesEncryptor when using the two-argument constructor or specifying a null I...

CVE-2026-76220: Improper Neutralization of Argument Delimiters in a Command

GitPython before 3.1.58 contains a command execution vulnerability in the checkunsafeoptions guard that can be bypassed by combining a single-character kwarg with splitsinglecharoptions=False. Attackers can supply a crafted kwargs dictionary to guarded methods like clonefrom to emit a joined toke...

ANT-2026-BDHSQ5GE · hunspell · Stack-buffer-overflow

stack-buffer-overflow high Severity Claude critical · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-BDHSQ5GE: Stack-buffer-overflow in hunspell...

ANT-2026-QRPT15J8 · duckdb · Stack-buffer-overflow

stack-buffer-overflow high Severity Claude critical · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-QRPT15J8: Stack-buffer-overflow in...

PT-2026-89055

Name of the Vulnerable Software and Affected Versions zstd-jni versions prior to 1.5.7-14 Description A use-after-free issue exists in the ZstdCompressCtx and ZstdDecompressCtx components. This occurs because streams and contexts hold a dictionary's shared lock only during the load call, which...