cnvd - cnvd-2021-27929

cnvd-2021-27929

Vulnerability from cnvd

Title: Mozilla Firefox越界读取漏洞（CNVD-2021-27929）

Description:

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。

Mozilla Firefox存在越界读取漏洞。攻击者可通过上传像素缓冲区对象利用该漏洞导致内存破坏以及信息泄漏或崩溃。

Severity: 中

Patch Name: Mozilla Firefox越界读取漏洞（CNVD-2021-27929）的补丁

Patch Description:

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。

Mozilla Firefox存在越界读取漏洞。攻击者可通过上传像素缓冲区对象利用该漏洞导致内存破坏以及信息泄漏或崩溃。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:

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://www.mozilla.org/en-US/security/advisories/mfsa2021-10/

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-23981

Impacted products

Name
['Mozilla Firefox <87', 'Mozilla Firefox ESR <78.9', 'Mozilla Thunderbird <78.9']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-23981",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-23981"
    }
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  "description": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\n\nMozilla Firefox\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4e0a\u4f20\u50cf\u7d20\u7f13\u51b2\u533a\u5bf9\u8c61\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5185\u5b58\u7834\u574f\u4ee5\u53ca\u4fe1\u606f\u6cc4\u6f0f\u6216\u5d29\u6e83\u3002",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2021-10/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-27929",
  "openTime": "2021-04-13",
  "patchDescription": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\r\n\r\nMozilla Firefox\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4e0a\u4f20\u50cf\u7d20\u7f13\u51b2\u533a\u5bf9\u8c61\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5185\u5b58\u7834\u574f\u4ee5\u53ca\u4fe1\u606f\u6cc4\u6f0f\u6216\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": "Mozilla Firefox\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff08CNVD-2021-27929\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Mozilla Firefox \u003c87",
      "Mozilla Firefox ESR \u003c78.9",
      "Mozilla Thunderbird \u003c78.9"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-23981",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-26",
  "title": "Mozilla Firefox\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff08CNVD-2021-27929\uff09"
}

CVE-2021-23981 (GCVE-0-2021-23981)

Vulnerability from cvelistv5

Published

2021-03-31 13:42

Modified

2024-08-03 19:14

Severity ?

CWE

Texture upload into an unbound backing buffer resulted in an out-of-bound read

Summary

A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2021-10/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-12/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-11/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1692832	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

Mozilla

Firefox ESR

Version: unspecified < 78.9

	Mozilla	Firefox	Version: unspecified < 87
	Mozilla	Thunderbird	Version: unspecified < 78.9

Show details on NVD website

JSON

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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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