cnvd - cnvd-2021-38085

cnvd-2021-38085

Vulnerability from cnvd

Title: libxml2空指针解引用漏洞

Description:

libxml2是用于解析XML文档的软件库。

libxml2 2.9.11之前版本存在空指针解引用漏洞。攻击者可通过特制XML文档利用该漏洞导致程序崩溃。

Severity: 中

Patch Name: libxml2空指针解引用漏洞的补丁

Patch Description:

libxml2是用于解析XML文档的软件库。

libxml2 2.9.11之前版本存在空指针解引用漏洞。攻击者可通过特制XML文档利用该漏洞导致程序崩溃。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

厂商已发布了漏洞修复程序，请及时关注更新： https://gitlab.gnome.org/GNOME/libxml2/-/commit/babe75030c7f64a37826bb3342317134568bef61

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-3537

Impacted products

Name
XMLSoft Libxml2 <2.9.11

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2021-3537",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-3537"
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-38085",
  "openTime": "2021-05-31",
  "patchDescription": "libxml2\u662f\u7528\u4e8e\u89e3\u6790XML\u6587\u6863\u7684\u8f6f\u4ef6\u5e93\u3002\r\n\r\nlibxml2 2.9.11\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236XML\u6587\u6863\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "libxml2\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-3537",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-17",
  "title": "libxml2\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2021-3537 (GCVE-0-2021-3537)

Vulnerability from cvelistv5

Published

2021-05-14 19:50

Modified

2024-08-03 17:01

Severity ?

CWE

CWE-476

Summary

A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.

References

▼	URL	Tags
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html	mailing-list, x_refsource_MLIST
	https://bugzilla.redhat.com/show_bug.cgi?id=1956522	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/	vendor-advisory, x_refsource_FEDORA
	https://security.gentoo.org/glsa/202107-05	vendor-advisory, x_refsource_GENTOO
	https://security.netapp.com/advisory/ntap-20210625-0002/	x_refsource_CONFIRM
	https://www.oracle.com/security-alerts/cpuoct2021.html	x_refsource_MISC
	https://www.oracle.com/security-alerts/cpuapr2022.html	x_refsource_MISC
	https://www.oracle.com/security-alerts/cpujul2022.html	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	libxml2	Version: libxml2 2.9.11

Show details on NVD website

JSON

To clipboard

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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.

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