CVE-2025-12875: Out-of-bounds Write

A weakness has been identified in mruby 3.4.0. This vulnerability affects the function aryfillexec of the file mrbgems/mruby-array-ext/src/array.c. Executing a manipulation of the argument start/length can lead to out-of-bounds write. The attack needs to be launched locally. The exploit has been...

EUVD-2020-27981

Malware in sbrugna...

Floating point exception

Description Floating point exception in udiv commit : b83285697888abbcb2286462da070d49f413ab24 Proof of Concept ruby 1 63.pow1, 0 ASAN Output ================================================================= ==747==ERROR: AddressSanitizer: FPE on unknown address 0x5626e07f6dba pc 0x5626e07f6dba b...

WS-2021-0147

mruby is the lightweight implementation of the Ruby language complying to part of the ISO standard is vulnerable to string buffer overflow , related to mrbgems/mruby-compiler/core/y.tab.c...

mruby memory misreference vulnerability

mruby is a lightweight implementation of the Ruby language that conforms to a portion of the ISO standard. A post-release reuse vulnerability exists in mruby 2.1.0 in mrbgems/mruby-hash-ext/src/hash-ext.c in hashslice. No detailed vulnerability details are provided at this time...

CVE-2020-6840

In mruby 2.1.0, there is a use-after-free in hashslice in mrbgems/mruby-hash-ext/src/hash-ext.c...

CVE-2020-6838

In mruby 2.1.0, there is a use-after-free in hashvaluesat in mrbgems/mruby-hash-ext/src/hash-ext.c...

CVE-2020-6840

In mruby 2.1.0, there is a use-after-free in hashslice in mrbgems/mruby-hash-ext/src/hash-ext.c...

CVE-2020-6840: Use After Free

In mruby 2.1.0, there is a use-after-free in hashslice in mrbgems/mruby-hash-ext/src/hash-ext.c...

PT-2020-19257

Name of the Vulnerable Software and Affected Versions mruby version 2.1.0 Description A use-after-free issue exists in the hash slice function located in mrbgems/mruby-hash-ext/src/hash-ext.c. Recommendations For mruby version 2.1.0, at the moment, there is no information about a newer version th...

PT-2020-19255

Name of the Vulnerable Software and Affected Versions mruby version 2.1.0 Description A use-after-free issue exists in the hash values at function located in mrbgems/mruby-hash-ext/src/hash-ext.c. Recommendations For mruby version 2.1.0, at the moment, there is no information about a newer versio...

WS-2019-0531

In mruby 2.1.0, there is a invalid read in localaddf in mrbgems/mruby-compiler/core/parse.y...

Integer overflow

The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrbstrresize function in string.c does not check for a negative length...

CVE-2018-14337

The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrbstrresize function in string.c does not check for a negative length...

CVE-2018-14337

The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrbstrresize function in string.c does not check for a negative length...

CVE-2018-14337

The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrbstrresize function in string.c does not check for a negative length...

CVE-2018-12248

An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OPENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to fiber...

CVE-2018-12248

An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OPENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to fiber...

shopify-scripts: Heap Overflow in fiber_switch triggered from Fiber.transfer

It appears as if my recommendations were ignored in the GitHub issue, so I've repeated the issue here. PoC Fiber.new.transfer 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0 Explanation The cause of this is th...