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alsa-2022:0951
Vulnerability from osv_almalinux
Published
2022-03-16 00:00
Modified
2022-06-30 09:52
Summary
Important: expat security update
Details
Expat is a C library for parsing XML documents. Security Fix(es): * expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235) * expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236) * expat: Integer overflow in storeRawNames() (CVE-2022-25315) * expat: Large number of prefixed XML attributes on a single tag can crash libexpat (CVE-2021-45960) * expat: Integer overflow in doProlog in xmlparse.c (CVE-2021-46143) * expat: Integer overflow in addBinding in xmlparse.c (CVE-2022-22822) * expat: Integer overflow in build_model in xmlparse.c (CVE-2022-22823) * expat: Integer overflow in defineAttribute in xmlparse.c (CVE-2022-22824) * expat: Integer overflow in lookup in xmlparse.c (CVE-2022-22825) * expat: Integer overflow in nextScaffoldPart in xmlparse.c (CVE-2022-22826) * expat: Integer overflow in storeAtts in xmlparse.c (CVE-2022-22827) * expat: Integer overflow in function XML_GetBuffer (CVE-2022-23852) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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"details": "Expat is a C library for parsing XML documents.\nSecurity Fix(es):\n* expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)\n* expat: Namespace-separator characters in \"xmlns[:prefix]\" attribute values can lead to arbitrary code execution (CVE-2022-25236)\n* expat: Integer overflow in storeRawNames() (CVE-2022-25315)\n* expat: Large number of prefixed XML attributes on a single tag can crash libexpat (CVE-2021-45960)\n* expat: Integer overflow in doProlog in xmlparse.c (CVE-2021-46143)\n* expat: Integer overflow in addBinding in xmlparse.c (CVE-2022-22822)\n* expat: Integer overflow in build_model in xmlparse.c (CVE-2022-22823)\n* expat: Integer overflow in defineAttribute in xmlparse.c (CVE-2022-22824)\n* expat: Integer overflow in lookup in xmlparse.c (CVE-2022-22825)\n* expat: Integer overflow in nextScaffoldPart in xmlparse.c (CVE-2022-22826)\n* expat: Integer overflow in storeAtts in xmlparse.c (CVE-2022-22827)\n* expat: Integer overflow in function XML_GetBuffer (CVE-2022-23852)\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
"id": "ALSA-2022:0951",
"modified": "2022-06-30T09:52:09Z",
"published": "2022-03-16T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2022:0951"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2021-45960"
},
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"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2021-46143"
},
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"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2022-22822"
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"url": "https://access.redhat.com/security/cve/CVE-2022-22823"
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"url": "https://access.redhat.com/security/cve/CVE-2022-22824"
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"url": "https://access.redhat.com/security/cve/CVE-2022-22825"
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"url": "https://bugzilla.redhat.com/2044455"
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"type": "REPORT",
"url": "https://bugzilla.redhat.com/2044457"
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{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2044464"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2044467"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2044479"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2044484"
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{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2044488"
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{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2044613"
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{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2056363"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2056366"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2056370"
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"type": "ADVISORY",
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"related": [
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"CVE-2022-25315",
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"CVE-2022-22822",
"CVE-2022-22823",
"CVE-2022-22824",
"CVE-2022-22825",
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"CVE-2022-23852"
],
"summary": "Important: expat security update"
}
CVE-2022-23852 (GCVE-0-2022-23852)
Vulnerability from cvelistv5 – Published: 2022-01-24 01:06 – Updated: 2025-05-05 16:25
VLAI?
EPSS
Summary
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
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CVE-2022-22824 (GCVE-0-2022-22824)
Vulnerability from cvelistv5 – Published: 2022-01-08 02:56 – Updated: 2025-05-05 16:29
VLAI?
EPSS
Summary
defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
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CVE-2022-25315 (GCVE-0-2022-25315)
Vulnerability from cvelistv5 – Published: 2022-02-18 04:24 – Updated: 2025-05-05 16:23
VLAI?
EPSS
Summary
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-25235 (GCVE-0-2022-25235)
Vulnerability from cvelistv5 – Published: 2022-02-16 00:40 – Updated: 2025-05-05 16:23
VLAI?
EPSS
Summary
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-22826 (GCVE-0-2022-22826)
Vulnerability from cvelistv5 – Published: 2022-01-08 02:56 – Updated: 2025-05-05 16:29
VLAI?
EPSS
Summary
nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Severity ?
8.8 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
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CVE-2022-22827 (GCVE-0-2022-22827)
Vulnerability from cvelistv5 – Published: 2022-01-08 02:56 – Updated: 2025-05-05 16:28
VLAI?
EPSS
Summary
storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Severity ?
8.8 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
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CVE-2022-22825 (GCVE-0-2022-22825)
Vulnerability from cvelistv5 – Published: 2022-01-08 02:56 – Updated: 2025-05-05 16:29
VLAI?
EPSS
Summary
lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Severity ?
8.8 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-45960 (GCVE-0-2021-45960)
Vulnerability from cvelistv5 – Published: 2022-01-01 18:47 – Updated: 2025-05-05 16:45
VLAI?
EPSS
Summary
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).
Severity ?
8.8 (High)
CWE
- n/a
Assigner
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CVE-2022-25236 (GCVE-0-2022-25236)
Vulnerability from cvelistv5 – Published: 2022-02-16 00:39 – Updated: 2025-05-05 16:23
VLAI?
EPSS
Summary
xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
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CVE-2022-22822 (GCVE-0-2022-22822)
Vulnerability from cvelistv5 – Published: 2022-01-08 02:57 – Updated: 2025-05-05 16:29
VLAI?
EPSS
Summary
addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
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CVE-2021-46143 (GCVE-0-2021-46143)
Vulnerability from cvelistv5 – Published: 2022-01-06 03:48 – Updated: 2025-05-05 16:44
VLAI?
EPSS
Summary
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
Severity ?
8.1 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
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CVE-2022-22823 (GCVE-0-2022-22823)
Vulnerability from cvelistv5 – Published: 2022-01-08 02:57 – Updated: 2025-05-05 16:29
VLAI?
EPSS
Summary
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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