CVE-2023-28626

comrak is a CommonMark + GFM compatible Markdown parser and renderer written in rust. A range of quadratic parsing issues are present in Comrak. These can be used to craft denial-of-service attacks on services that use Comrak to parse Markdown. This issue has been addressed in version 0.17.0. Use...

CVE-2023-28626 Quadratic runtime when parsing Markdown in comrak

comrak is a CommonMark + GFM compatible Markdown parser and renderer written in rust. A range of quadratic parsing issues are present in Comrak. These can be used to craft denial-of-service attacks on services that use Comrak to parse Markdown. This issue has been addressed in version 0.17.0. Use...

CVE-2023-28626 Quadratic runtime when parsing Markdown in comrak

comrak is a CommonMark + GFM compatible Markdown parser and renderer written in rust. A range of quadratic parsing issues are present in Comrak. These can be used to craft denial-of-service attacks on services that use Comrak to parse Markdown. This issue has been addressed in version 0.17.0. Use...

Comrak vulnerable to quadratic runtime issues when parsing Markdown (GHSL-2023-047)

Impact A range of quadratic parsing issues from cmark/cmark-gfm are also present in Comrak. These can be used to craft denial-of-service attacks on services that use Comrak to parse Markdown. Patches 0.17.0 contains fixes to known quadratic parsing issues. Workarounds n/a References...

GHSA-8HQF-XJWP-P67V Comrak vulnerable to quadratic runtime issues when parsing Markdown (GHSL-2023-047)

Impact A range of quadratic parsing issues from cmark/cmark-gfm are also present in Comrak. These can be used to craft denial-of-service attacks on services that use Comrak to parse Markdown. Patches 0.17.0 contains fixes to known quadratic parsing issues. Workarounds n/a References...

PT-2023-21857 · Comrak · Comrak

Name of the Vulnerable Software and Affected Versions: comrak versions prior to 0.17.0 Description: The issue concerns quadratic parsing problems in comrak, a CommonMark + GFM compatible Markdown parser and renderer written in rust. These problems can be exploited to craft denial-of-service attac...

CVE-2023-28626: Uncontrolled Resource Consumption

comrak is a CommonMark + GFM compatible Markdown parser and renderer written in rust. A range of quadratic parsing issues are present in Comrak. These can be used to craft denial-of-service attacks on services that use Comrak to parse Markdown. This issue has been addressed in version 0.17.0. Use...

python: CPU denial of service via inefficient IDNA decoder

A vulnerability was discovered in Python. A quadratic algorithm exists when processing inputs to the IDNA RFC 3490 decoder, such that a crafted unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be...

Oracle Linux 9 : python3.9 (ELSA-2023-0953)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-0953 advisory. 3.9.14-1.2 - Security fix for CVE-2022-45061 Resolves: rhbz2144072 Tenable has extracted the preceding description block directly from the Oracle Linux security...

Oracle Linux 8 : python3 (ELSA-2023-0833)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-0833 advisory. 3.6.8-48.0.1 - Add Oracle Linux distribution in platform.py Orabug: 20812544 3.6.8-48.1 - Security fixes for CVE-2020-10735, CVE-2021-28861 and...

python: CPU denial of service via inefficient IDNA decoder

A vulnerability was discovered in Python. A quadratic algorithm exists when processing inputs to the IDNA RFC 3490 decoder, such that a crafted unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be...

OESA-2023-1111 harfbuzz security update

HarfBuzz is a text-shaping engine. If you give HarfBuzz a font and a string containing a sequence of Unicode codepoints, HarfBuzz selects and positions the corresponding glyphs from the font, applying all of the necessary layout rules and font features. HarfBuzz then returns the string to you in...

AlmaLinux 8 : python3 (ALSA-2023:0833)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2023:0833 advisory. - A flaw was found in python. In algorithms with quadratic time complexity using non-binary bases, when using inttext, a system could take 50ms to parse a...

OESA-2023-1083 harfbuzz security update

HarfBuzz is a text-shaping engine. If you give HarfBuzz a font and a string containing a sequence of Unicode codepoints, HarfBuzz selects and positions the corresponding glyphs from the font, applying all of the necessary layout rules and font features. HarfBuzz then returns the string to you in...

SUSE CVE-2020-5238

The table extension in GitHub Flavored Markdown before version 0.29.0.gfm.1 takes On n time to parse certain inputs. An attacker could craft a markdown table which would take an unreasonably long time to process, causing a denial of service. This issue does not affect the upstream cmark project...

SUSE CVE-2020-7212

The encodeinvalidchars function in util/url.py in the urllib3 library 1.25.2 through 1.25.7 for Python allows a denial of service CPU consumption because of an inefficient algorithm. The percentencodings array contains all matches of percent encodings. It is not deduplicated. For a URL of length ...

SUSE CVE-2020-10735

A flaw was found in python. In algorithms with quadratic time complexity using non-binary bases, when using int"text", a system could take 50ms to parse an int string with 100,000 digits and 5s for 1,000,000 digits float, decimal, int.frombytes, and int for binary bases 2, 4, 8, 16, and 32 are no...

SUSE CVE-2021-28677

An issue was discovered in Pillow before 8.2.0. For EPS data, the readline implementation used in EPSImageFile has to deal with any combination of \r and \n as line endings. It used an accidentally quadratic method of accumulating lines while looking for a line ending. A malicious EPS file could...

hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks.

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AZL-13303 CVE-2023-25193 affecting package harfbuzz for versions less than 3.4.0-3

hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger On^2 growth via consecutive marks during the process of looking back for base glyphs when attaching marks...