CVE-2021-41816

2022-02-0621:15:00

Debian Security Bug Tracker

security-tracker.debian.org

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.008 Low

EPSS

Percentile

81.6%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian10allruby2.5< 2.5.5-3+deb10u4ruby2.5_2.5.5-3+deb10u4_all.deb
Debian11allruby2.7< 2.7.4-1+deb11u1ruby2.7_2.7.4-1+deb11u1_all.deb