CVE-2026-54399: Uncontrolled Resource Consumption

Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message parser in Apache HttpComponents Core 5.4.2 and earlier, 5.5-beta1 and earlier allows an remote attacker to cause a denial of service through memory exhaustion by sending messages with excessive number of headers / excessive...

PT-2026-57510

The SurrealDB value and JSON parser did not enforce the configured recursion depth limit when parsing nested , , or tokens. The expression parser already enforced the limit for these tokens; the value/JSON parser omitted it. An unauthenticated attacker could send a deeply nested JSON payload to t...

PT-2026-55138

Summary A memory-safety vulnerability in Open Babel's MSI parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the atom handling of the MSI reader. A malformed record caused the parser to dereference an atom pointer that had never been...

PT-2026-55142

Summary A memory-safety vulnerability in Open Babel's MOPAC input parser allowed an out-of-bounds write into the translationVectors array when reading Tv translation-vector atoms from a crafted input file. Details The MOPAC IN reader stored Tv-atom translation vectors into a fixed-size...

PT-2026-54895

Name of the Vulnerable Software and Affected Versions MediaWiki versions prior to 1.46.0 MediaWiki versions prior to 1.45.4 MediaWiki versions prior to 1.44.6 MediaWiki versions prior to 1.43.9 Description An issue exists in the includes/Parser/Parser.Php file that allows the exposure of sensitiv...

PT-2026-55121

Summary A memory-safety vulnerability in Open Babel's MSI parser allowed an out-of-bounds write into the translationVectors array when reading a crafted input file. Details The MSI reader stored cell translation vectors into a fixed-size translationVectors array. A malformed input could push more...

PT-2026-55098

Summary A memory-safety vulnerability in Open Babel's CACAO parser caused a NULL pointer dereference when reading a crafted input file. Details The flaw was in CacaoFormat::SetHilderbrandt. A malformed input caused the parser to dereference a NULL pointer while applying the Hilderbrandt...

PT-2026-54708

Name of the Vulnerable Software and Affected Versions ClamAV affected versions not specified Description An issue exists in the ALZ file format parser where improper boundary checks for content during scanning can lead to an out-of-bounds buffer write. A remote, unauthenticated attacker can explo...

PT-2026-54706

Name of the Vulnerable Software and Affected Versions ClamAV affected versions not specified Description An issue exists in the InstallShield file format parser where improper handling of temporary resources during file scanning can lead to a Denial of Service DoS condition. A remote,...

PT-2026-54705

Name of the Vulnerable Software and Affected Versions ClamAV affected versions not specified Description A flaw in the 7z file format parser allows an unauthenticated remote attacker to cause a Denial of Service DoS condition. The issue stems from improper boundary checks for content in 7z files...

PT-2026-54707

Name of the Vulnerable Software and Affected Versions ClamAV affected versions not specified Description A flaw exists in the PESpin file format parser due to improper boundary checks for content during scanning. This issue can lead to an out-of-bounds buffer write, causing memory corruption on t...

CVE-2026-20243: Buffer Copy without Checking Size of Input

A vulnerability in the ALZ file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in ALZ...

EUVD-2026-40858

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2, Oj.load is vulnerable to heap corruption when parsing a JSON string longer than 2 GB. An integer overflow in bufappendstring buf.h:61 converts the string length to a large negative sizet,...

CVE-2026-54902

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. Prior to version 3.17.2, is vulnerable to Use-After-Free when in SAJ mode. The Oj::Parser does not protect cached object keys ≥ 35 bytes from garbage collection, and a Ruby callback that triggers GC inside hashend ca...

CVE-2026-54902

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. Prior to version 3.17.2, is vulnerable to Use-After-Free when in SAJ mode. The Oj::Parser does not protect cached object keys ≥ 35 bytes from garbage collection, and a Ruby callback that triggers GC inside hashend ca...

CVE-2026-54902 Oj: Use-After-Free in Oj::Parser SAJ Long Key Callback

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. Prior to version 3.17.2, is vulnerable to Use-After-Free when in SAJ mode. The Oj::Parser does not protect cached object keys ≥ 35 bytes from garbage collection, and a Ruby callback that triggers GC inside hashend ca...

CVE-2026-54902

CVE-2026-54902 affects the Ruby gem Oj (Optimized JSON). In SAJ mode prior to 3.17.2, the parser’s key caching can be GC’d while the C parser still references it, causing a Use-After-Free and a segfault when a freed VALUE is accessed. The issue is fixed in version 3.17.2. Exploitation details are...

CVE-2026-54902 Oj: Use-After-Free in Oj::Parser SAJ Long Key Callback

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. Prior to version 3.17.2, is vulnerable to Use-After-Free when in SAJ mode. The Oj::Parser does not protect cached object keys ≥ 35 bytes from garbage collection, and a Ruby callback that triggers GC inside hashend ca...

CVE-2026-54901

Oj (Optimized JSON) Ruby gem contains a Use-After-Free in Oj::Parser in normal mode prior to 3.17.2: during GC, array_class/hash_class refs may be reclaimed, leaving a dangling VALUE for the next parse and causing a segfault. Fixed in version 3.17.2. Affected: Oj::Parser parsing flow; trigger is ...

EUVD-2026-40856

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2, Oj::Parser in usual mode does not mark arrayclass and hashclass references during garbage collection, leading to Use-After-Free. If GC runs after the class is assigned but before a parse,...