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Package "expat"

Name: expat

Description:

This package is just an umbrella for a group of other packages, it has no description.
Description samples from packages in group:

  • XML parsing C library - runtime library
  • XML parsing C library - development kit
Latest version: 2.4.7-1ubuntu0.6
Release: jammy (22.04)
Level: updates
Repository: main

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Other versions of "expat" in Jammy

Repository Area Version
base main 2.4.7-1
base universe 2.4.7-1
security main 2.4.7-1ubuntu0.6
security universe 2.4.7-1ubuntu0.6
updates universe 2.4.7-1ubuntu0.6

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Changelog

Version: 2.4.7-1ubuntu0.6 2025-04-08 13:07:46 UTC

  expat (2.4.7-1ubuntu0.6) jammy-security; urgency=medium

  * SECURITY UPDATE: denial of service via stack overflow
    - debian/patches/CVE-2024-8176-pre.patch: Remove XML_DTD guards
      before is_param accesses
    - debian/patches/CVE-2024-8176-test-pre-1.patch: minicheck: Add
      fail_unless() macro
    - debian/patches/CVE-2024-8176-test-pre-2.patch: tests: Rename
      _fail_unless to _assert_true for clarity
    - debian/patches/CVE-2024-8176-test-pre-3.patch: minicheck: Add
      simple subtest support
    - debian/patches/CVE-2024-8176-1.patch: Resolve the recursion during
      entity processing to prevent stack overflow
    - debian/patches/CVE-2024-8176-2.patch: Stop updating event pointer
      on exit for reentry
    - CVE-2024-8176

 -- Vyom Yadav <email address hidden> Mon, 07 Apr 2025 20:07:15 +0530
Source diff to previous version
CVE-2024-8176 A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When parsing an

Version: 2.4.7-1ubuntu0.5 2024-12-10 02:06:53 UTC

  expat (2.4.7-1ubuntu0.5) jammy-security; urgency=medium

  * SECURITY UPDATE: denial-of-service via XML_ResumeParser
    - debian/patches/CVE-2024-50602-1.patch: Make function XML_StopParser of
      expat/lib/xmlparse.c refuse to stop/suspend an unstarted parser
    - debian/patches/CVE-2024-50602-2.patch: Add XML_PARSING case to parser
      state in function XML_StopParser of expat/lib/xmlparse.c
    - debian/patches/CVE-2024-50602-3.patch: Add tests for CVE-2024-50602 to
      expat/tests/runtests.c
    - CVE-2024-50602

 -- Nicolas Campuzano Jimenez <email address hidden> Sun, 01 Dec 2024 15:51:42 -0500
Source diff to previous version
CVE-2024-50602 An issue was discovered in libexpat before 2.6.4. There is a crash within the XML_ResumeParser function because XML_StopParser can stop/suspend an un

Version: 2.4.7-1ubuntu0.4 2024-09-17 16:07:00 UTC

  expat (2.4.7-1ubuntu0.4) jammy-security; urgency=medium

  * SECURITY UPDATE: invalid input length
    - CVE-2024-45490-*.patch: adds a check to the XML_ParseBuffer function of
      expat/lib/xmlparse.c to identify and error out if a negative length is
      provided.
    - CVE-2024-45490
  * SECURITY UPDATE: integer overflow
    - CVE-2024-45491.patch: adds a check to the dtdCopy function of
      expat/lib/xmlparse.c to detect and prevent an integer overflow.
    - CVE-2024-45491
  * SECURITY UPDATE: integer overflow
    - CVE-2024-45492.patch: adds a check to the nextScaffoldPart function of
      expat/lib/xmlparse.c to detect and prevent an integer overflow.
    - CVE-2024-45492

 -- Ian Constantin <email address hidden> Tue, 10 Sep 2024 13:17:45 +0300
Source diff to previous version
CVE-2024-45490 An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer.
CVE-2024-45491 An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT
CVE-2024-45492 An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer overflow for m_groupSize on 32-bit platforms (wh

Version: 2.4.7-1ubuntu0.3 2024-03-14 15:06:56 UTC

  expat (2.4.7-1ubuntu0.3) jammy-security; urgency=medium

  * SECURITY UPDATE: denial-of-service
    - debian/patches/CVE-2023-52425.patch: Speed up parsing of big tokens.
    - CVE-2023-52425
  * SECURITY UPDATE: denial-of-service
    - debian/patches/CVE-2024-28757.patch: Detect billion laughs attack with
      isolated external parser.
    - CVE-2024-28757

 -- Fabian Toepfer <email address hidden> Wed, 13 Mar 2024 14:28:54 +0100
Source diff to previous version
CVE-2023-52425 libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for w
CVE-2024-28757 libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCrea

Version: 2.4.7-1ubuntu0.2 2022-11-23 15:06:27 UTC

  expat (2.4.7-1ubuntu0.2) jammy-security; urgency=medium

  * SECURITY UPDATE: use-after-free
    - debian/patches/CVE-2022-43680-1.patch: adds tests to cover
      DTD destruction in XML_ExternalEntityParserCreate in
      expat/tests/runtests.c.
    - debian/patches/CVE-2022-43680-2.patch: fix overeager DTD
      destruction in XML_ExternalEntityParserCreate in
      expat/lib/xmlparse.c.
    - CVE-2022-43680

 -- David Fernandez Gonzalez <email address hidden> Fri, 18 Nov 2022 12:21:42 +0100
CVE-2022-43680 In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memo


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