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  5. CVE-2012-1176

CVE-2012-1176: PyFriBidi Buffer overflow in the fribidi_utf8_to_unicode function

May 17, 2022 (updated October 21, 2024)

Buffer overflow in the fribidi_utf8_to_unicode function in PyFriBidi before 0.11.0 allows remote attackers to cause a denial of service (application crash) via a 4-byte utf-8 sequence.

References

  • bugzilla.redhat.com/show_bug.cgi?id=801896
  • bugzilla.wikimedia.org/show_bug.cgi?id=35055
  • exchange.xforce.ibmcloud.com/vulnerabilities/74001
  • github.com/advisories/GHSA-6476-g47x-h3c7
  • github.com/pediapress/pyfribidi
  • github.com/pediapress/pyfribidi/commit/d2860c655357975e7b32d84e6b45e98f0dcecd7a
  • github.com/pediapress/pyfribidi/issues/2
  • github.com/pediapress/pyfribidi/issues/2%29:
  • github.com/pypa/advisory-database/tree/main/vulns/pyfribidi/PYSEC-2012-11.yaml
  • nvd.nist.gov/vuln/detail/CVE-2012-1176
  • web.archive.org/web/20200228170815/http://www.securityfocus.com/bid/52451

Code Behaviors & Features

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Affected versions

All versions before 0.11.0

Fixed versions

  • 0.11.0

Solution

Upgrade to version 0.11.0 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

Source file

pypi/pyfribidi/CVE-2012-1176.yml

Spotted a mistake? Edit the file on GitLab.

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