Lucene search
+L

34 matches found

Tenable Nessus
Tenable Nessus
•added 2026/10/01 12:00 a.m.•7 views

AlmaLinux 9.2 [TuxCare] Security Update: ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc (ALMALINUX9.2:CLSA-2026:1782469374)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1782469374 advisory. - A buffer-overread issue was discovered in StringIO 3.0.1, as distributed in Ruby 3.0.x through 3.0.6 and 3.1.x through 3.1.4. The ungetbyte...

9.8CVSS6.9AI score0.02364EPSS
SaveExploits0References3
AstraLinux
AstraLinux
•added 2026/09/14 12:01 p.m.•11 views

Astra Linux – Vulnerability in Ruby 2.5

A buffer-overread issue was discovered in StringIO 3.0.1, which is available in Ruby 3.0.x through 3.0.6, and in Ruby 3.1.x through 3.1.4. The ungetbyte and ungetc methods on a StringIO can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value. 3.0.3 is...

9.8CVSS7AI score0.02364EPSS
SaveExploits0References2
Redos
Redos
•added 2026/07/29 12:00 a.m.•15 views

ROS-20260729-73-0034

The vulnerability of the ungetc function in the BDAT/CHUNKING component of the email server Exim relates to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

9.8CVSS8.9AI score0.00944EPSS
SaveExploits3
BDU FSTEC
BDU FSTEC
•added 2026/05/13 12:00 a.m.•17 views

The vulnerability of the ungetc() function in the BDAT/CHUNKING component of the email server Exim, which allows a hacker to execute arbitrary code.

The vulnerability of the ungetc function in the BDAT/CHUNKING component of the email server Exim relates to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

10CVSS7.8AI score0.00944EPSS
SaveExploits3References10Affected Software3
Microsoft CVE
Microsoft CVE
•added 2026/04/18 8:01 a.m.•17 views

zlib: Buffer Overflow in Zlib::GzipReader ungetc via large input leads to memory corruption

...

9.8CVSS8AI score0.00752EPSS
SaveExploits0
Vulnrichment
Vulnrichment
•added 2026/04/16 5:27 p.m.•11 views

CVE-2026-27820 zlib: Buffer Overflow in Zlib::GzipReader ungetc via large input leads to memory corruption

zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader. The zstreambufferungets function prepends caller-provided bytes ahead of previously produced output but...

6.3CVSS8AI score0.00752EPSS
SaveExploits0References2
Cvelist
Cvelist
•added 2026/04/16 5:27 p.m.•40 views

CVE-2026-27820 zlib: Buffer Overflow in Zlib::GzipReader ungetc via large input leads to memory corruption

zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader. The zstreambufferungets function prepends caller-provided bytes ahead of previously produced output but...

6.3CVSS0.00752EPSS
SaveExploits0References2
OSV
OSV
•added 2026/04/16 5:27 p.m.•11 views

CVE-2026-27820 zlib: Buffer Overflow in Zlib::GzipReader ungetc via large input leads to memory corruption

zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader. The zstreambufferungets function prepends caller-provided bytes ahead of previously produced output but...

6.3CVSS7.4AI score
SaveExploits0References4
Tenable Nessus
Tenable Nessus
•added 2025/08/20 12:00 a.m.•6 views

Linux Distros Unpatched Vulnerability : CVE-2024-27280

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A buffer-overread issue was discovered in StringIO 3.0.1, as distributed in Ruby 3.0.x through 3.0.6 and 3.1.x through 3.1.4. The ungetbyte and ungetc methods o...

9.8CVSS6.7AI score0.02364EPSS
SaveExploits0References2
RedHat Linux
RedHat Linux
•added 2024/07/11 11:55 a.m.•19 views

ruby: Buffer overread vulnerability in StringIO

A buffer overread flaw was found in rubygem StringIO. The ungetbyte and ungetc methods on a StringIO object can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value...

9.8CVSS7.4AI score0.02364EPSS
SaveExploits0References5
Ubuntu
Ubuntu
•added 2024/06/26 12:27 p.m.•42 views

USN-6853-1: Ruby vulnerability

It was discovered that Ruby incorrectly handled the ungetbyte and ungetc methods. A remote attacker could use this issue to cause Ruby to crash, resulting in a denial of service, or possibly obtain sensitive information...

9.8CVSS7.1AI score0.02364EPSS
SaveExploits0
OSV
OSV
•added 2024/06/26 12:27 p.m.•14 views

USN-6853-1 ruby2.7, ruby3.0, ruby3.1 vulnerability

It was discovered that Ruby incorrectly handled the ungetbyte and ungetc methods. A remote attacker could use this issue to cause Ruby to crash, resulting in a denial of service, or possibly obtain sensitive information...

9.8CVSS6.8AI score0.02364EPSS
SaveExploits0References2
RedHat Linux
RedHat Linux
•added 2024/06/11 7:56 p.m.•12 views

ruby: Buffer overread vulnerability in StringIO

A buffer overread flaw was found in rubygem StringIO. The ungetbyte and ungetc methods on a StringIO object can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value...

9.8CVSS7.4AI score0.02364EPSS
SaveExploits0References5
RedHat Linux
RedHat Linux
•added 2024/06/06 2:03 p.m.•28 views

ruby: Buffer overread vulnerability in StringIO

A buffer overread flaw was found in rubygem StringIO. The ungetbyte and ungetc methods on a StringIO object can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value...

9.8CVSS7.4AI score0.02364EPSS
SaveExploits0References5
RedHat Linux
RedHat Linux
•added 2024/06/06 9:32 a.m.•31 views

ruby: Buffer overread vulnerability in StringIO

A buffer overread flaw was found in rubygem StringIO. The ungetbyte and ungetc methods on a StringIO object can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value...

9.8CVSS7.4AI score0.02364EPSS
SaveExploits0References5
RedHat Linux
RedHat Linux
•added 2024/06/06 9:05 a.m.•18 views

ruby: Buffer overread vulnerability in StringIO

A buffer overread flaw was found in rubygem StringIO. The ungetbyte and ungetc methods on a StringIO object can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value...

9.8CVSS7.4AI score0.02364EPSS
SaveExploits0References5
RedHat Linux
RedHat Linux
•added 2024/06/03 6:41 p.m.•15 views

ruby: Buffer overread vulnerability in StringIO

A buffer overread flaw was found in rubygem StringIO. The ungetbyte and ungetc methods on a StringIO object can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value...

9.8CVSS7.4AI score0.02364EPSS
SaveExploits0References5
RedHat Linux
RedHat Linux
•added 2024/05/30 1:22 p.m.•18 views

ruby: Buffer overread vulnerability in StringIO

A buffer overread flaw was found in rubygem StringIO. The ungetbyte and ungetc methods on a StringIO object can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value...

9.8CVSS7.4AI score0.02364EPSS
SaveExploits0References5
OSV
OSV
•added 2024/05/14 3:11 p.m.•12 views

ALPINE-CVE-2024-27280

A buffer-overread issue was discovered in StringIO 3.0.1, as distributed in Ruby 3.0.x through 3.0.6 and 3.1.x through 3.1.4. The ungetbyte and ungetc methods on a StringIO can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value. 3.0.3 is the main fix...

9.8CVSS6.8AI score0.02364EPSS
SaveExploits0References1
OSV
OSV
•added 2024/05/14 3:11 p.m.•22 views

UBUNTU-CVE-2024-27280

A buffer-overread issue was discovered in StringIO 3.0.1, as distributed in Ruby 3.0.x through 3.0.6 and 3.1.x through 3.1.4. The ungetbyte and ungetc methods on a StringIO can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value. 3.0.3 is the main fix...

9.8CVSS6.7AI score0.02364EPSS
SaveExploits0References5
Rows per page
Query Builder