suse-su-2022:2878-1
Vulnerability from csaf_suse
Published
2022-08-23 11:51
Modified
2022-08-23 11:51
Summary
Security update for python-lxml

Notes

Title of the patch
Security update for python-lxml
Description of the patch
This update for python-lxml fixes the following issues: - CVE-2022-2309: Fixed NULL pointer dereference due to state leak between parser runs (bsc#1201253).
Patchnames
SUSE-2022-2878,SUSE-SLE-Module-Public-Cloud-Unrestricted-15-2022-2878
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

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          "text": "NULL Pointer Dereference allows attackers to cause a denial of service (or application crash). This only applies when lxml is used together with libxml2 2.9.10 through 2.9.14. libxml2 2.9.9 and earlier are not affected. It allows triggering crashes through forged input data, given a vulnerable code sequence in the application. The vulnerability is caused by the iterwalk function (also used by the canonicalize function). Such code shouldn\u0027t be in wide-spread use, given that parsing + iterwalk would usually be replaced with the more efficient iterparse function. However, an XML converter that serialises to C14N would also be vulnerable, for example, and there are legitimate use cases for this code sequence. If untrusted input is received (also remotely) and processed via iterwalk function, a crash can be triggered.",
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            "SUSE Linux Enterprise Module for Public Cloud 15:python3-lxml-devel-4.7.1-150100.6.6.1.x86_64",
            "SUSE Linux Enterprise Module for Public Cloud 15:python3-lxml-doc-4.7.1-150100.6.6.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2022-08-23T11:51:31Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2022-2309"
    }
  ]
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.