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CVE-2021-41816

Status Candidate

Overview

CGI.escape_html in Ruby before 2.7.5 and 3.x before 3.0.3 has an integer overflow and resultant buffer overflow via a long string on platforms (such as Windows) where size_t and long have different numbers of bytes. This also affects the CGI gem before 0.3.1 for Ruby.

Related Files

Gentoo Linux Security Advisory 202401-27
Posted Jan 24, 2024
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202401-27 - Multiple vulnerabilities have been discovered in Ruby, the worst of which could lead to execution of arbitrary code. Multiple versions are affected.

tags | advisory, arbitrary, vulnerability, ruby
systems | linux, gentoo
advisories | CVE-2020-25613, CVE-2021-31810, CVE-2021-32066, CVE-2021-33621, CVE-2021-41816, CVE-2021-41817, CVE-2021-41819, CVE-2022-28738, CVE-2022-28739, CVE-2023-28755, CVE-2023-28756
SHA-256 | 94bd32b96511589b4ae3eae1e1b96022fbaeeb99eb332b00a775c863282498ba
Red Hat Security Advisory 2022-6855-01
Posted Oct 11, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-6855-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Issues addressed include buffer overflow, denial of service, double free, and spoofing vulnerabilities.

tags | advisory, denial of service, overflow, spoof, vulnerability, ruby
systems | linux, redhat
advisories | CVE-2021-41816, CVE-2021-41817, CVE-2021-41819, CVE-2022-28738, CVE-2022-28739
SHA-256 | 23b2e4fec136d2b841752155cc897796ca8d6de598e56c894f584c758f0ea16e
Red Hat Security Advisory 2022-6856-01
Posted Oct 11, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-6856-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Issues addressed include buffer overflow, denial of service, and spoofing vulnerabilities.

tags | advisory, denial of service, overflow, spoof, vulnerability, ruby
systems | linux, redhat
advisories | CVE-2021-41816, CVE-2021-41817, CVE-2021-41819, CVE-2022-28739
SHA-256 | bb6ea318ab2029ce81a508f985027beddd25be215db4d7f00c698944641814f3
Debian Security Advisory 5067-1
Posted Feb 28, 2022
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5067-1 - Several vulnerabilities have been discovered in the interpreter for the Ruby language and the Rubygems included, which may result on result in information disclosure or denial of service.

tags | advisory, denial of service, vulnerability, info disclosure, ruby
systems | linux, debian
advisories | CVE-2021-41816, CVE-2021-41817, CVE-2021-41819
SHA-256 | 0484f18bed972d71f7df53edb8f4ef294019db03c31c92c45a5da5d8c6a8bcb6
Ubuntu Security Notice USN-5235-1
Posted Jan 19, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5235-1 - It was discovered that Ruby incorrectly handled certain HTML files. An attacker could possibly use this issue to cause a crash. This issue only affected Ubuntu 20.04 LTS, Ubuntu 21.04, and Ubuntu 21.10. It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a regular expression denial of service.

tags | advisory, denial of service, ruby
systems | linux, ubuntu
advisories | CVE-2021-41816, CVE-2021-41817, CVE-2021-41819
SHA-256 | a6359db1c94f5fd218ffeb0030ff14aadcb0e1fa663d178749a56f56c3ad47c9
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