cnvd - cnvd-2020-22975

cnvd-2020-22975

Vulnerability from cnvd

Title: libsixel缓冲区溢出漏洞（CNVD-2020-22975）

Description:

libsixel是一个为DEC SIXEL图形和其他转换器程序提供编码/解码实现的软件包。

libsixel 1.8.6版本中的libsixel.a库的‘load_png’函数存在安全漏洞。攻击者可利用该漏洞造成拒绝服务。

Severity: 高

Formal description:

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法：

https://github.com/saitoha/libsixel

Impacted products

Name
libsixel libsixel 1.8.6

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-11721"
    }
  },
  "description": "libsixel\u662f\u4e00\u4e2a\u4e3aDEC SIXEL\u56fe\u5f62\u548c\u5176\u4ed6\u8f6c\u6362\u5668\u7a0b\u5e8f\u63d0\u4f9b\u7f16\u7801/\u89e3\u7801\u5b9e\u73b0\u7684\u8f6f\u4ef6\u5305\u3002\n\nlibsixel 1.8.6\u7248\u672c\u4e2d\u7684libsixel.a\u5e93\u7684\u2018load_png\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\n\r\nhttps://github.com/saitoha/libsixel",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-22975",
  "openTime": "2020-04-15",
  "products": {
    "product": "libsixel libsixel 1.8.6"
  },
  "serverity": "\u9ad8",
  "submitTime": "2020-04-13",
  "title": "libsixel\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-22975\uff09"
}

CVE-2020-11721 (GCVE-0-2020-11721)

Vulnerability from cvelistv5

Published

2020-04-12 18:39

Modified

2024-08-04 11:42

Severity ?

CWE

Summary

load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.

References

▼	URL	Tags
	https://github.com/saitoha/libsixel/issues/134	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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              "x_transferred"
            ],
            "url": "https://github.com/saitoha/libsixel/issues/134"
          }
        ],
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      }
    ],
    "cna": {
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  "cveMetadata": {
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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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