UBUNTU-CVE-2020-6556

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Source

https://ubuntu.com/security/CVE-2020-6556

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6556.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-6556

Upstream

CVE-2020-6556

Published

2020-09-21T20:15:00Z

Modified

2025-09-08T16:45:58Z

Severity

8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

Heap buffer overflow in SwiftShader in Google Chrome prior to 84.0.4147.135 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

References

Affected packages

Ubuntu:16.04:LTS / chromium-browser

Package

Name: chromium-browser
Purl: pkg:deb/ubuntu/chromium-browser@85.0.4183.83-0ubuntu0.16.04.2?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

85.0.4183.83-0ubuntu0.16.04.2

Affected versions

45.*

45.0.2454.101-0ubuntu1.1201

47.*

47.0.2526.73-0ubuntu1.1218

47.0.2526.106-0ubuntu1.1221

48.*

48.0.2564.82-0ubuntu1.1222

48.0.2564.116-0ubuntu1.1229

49.*

49.0.2623.87-0ubuntu1.1232

49.0.2623.108-0ubuntu1.1233

50.*

50.0.2661.102-0ubuntu0.16.04.1.1237

51.*

51.0.2704.79-0ubuntu0.16.04.1.1242

52.*

52.0.2743.116-0ubuntu0.16.04.1.1250

53.*

53.0.2785.143-0ubuntu0.16.04.1.1254

53.0.2785.143-0ubuntu0.16.04.1.1257

55.*

55.0.2883.87-0ubuntu0.16.04.1263

56.*

56.0.2924.76-0ubuntu0.16.04.1268

57.*

57.0.2987.98-0ubuntu0.16.04.1276

58.*

58.0.3029.81-0ubuntu0.16.04.1277

58.0.3029.96-0ubuntu0.16.04.1279

58.0.3029.110-0ubuntu0.16.04.1281

59.*

59.0.3071.109-0ubuntu0.16.04.1289

59.0.3071.109-0ubuntu0.16.04.1291

60.*

60.0.3112.78-0ubuntu0.16.04.1293

60.0.3112.113-0ubuntu0.16.04.1298

61.*

61.0.3163.79-0ubuntu0.16.04.1300

61.0.3163.100-0ubuntu0.16.04.1306

62.*

62.0.3202.62-0ubuntu0.16.04.1308

62.0.3202.75-0ubuntu0.16.04.1313

62.0.3202.89-0ubuntu0.16.04.1315

62.0.3202.94-0ubuntu0.16.04.1317

63.*

63.0.3239.84-0ubuntu0.16.04.1

63.0.3239.132-0ubuntu0.16.04.1

64.*

64.0.3282.119-0ubuntu0.16.04.1

64.0.3282.140-0ubuntu0.16.04.1

64.0.3282.167-0ubuntu0.16.04.1

65.*

65.0.3325.181-0ubuntu0.16.04.1

66.*

66.0.3359.139-0ubuntu0.16.04.3

66.0.3359.181-0ubuntu0.16.04.1

67.*

67.0.3396.99-0ubuntu0.16.04.2

68.*

68.0.3440.75-0ubuntu0.16.04.1

68.0.3440.106-0ubuntu0.16.04.1

69.*

69.0.3497.81-0ubuntu0.16.04.1

70.*

70.0.3538.67-0ubuntu0.16.04.1

70.0.3538.77-0ubuntu0.16.04.1

70.0.3538.110-0ubuntu0.16.04.1

71.*

71.0.3578.80-0ubuntu0.16.04.1

71.0.3578.98-0ubuntu0.16.04.1

72.*

72.0.3626.119-0ubuntu0.16.04.1

72.0.3626.121-0ubuntu0.16.04.1

73.*

73.0.3683.75-0ubuntu0.16.04.1

73.0.3683.86-0ubuntu0.16.04.1

74.*

74.0.3729.169-0ubuntu0.16.04.1

76.*

76.0.3809.87-0ubuntu0.16.04.1

76.0.3809.100-0ubuntu0.16.04.1

77.*

77.0.3865.90-0ubuntu0.16.04.1

78.*

78.0.3904.70-0ubuntu0.16.04.2

78.0.3904.97-0ubuntu0.16.04.1

78.0.3904.108-0ubuntu0.16.04.1

79.*

79.0.3945.79-0ubuntu0.16.04.1

79.0.3945.130-0ubuntu0.16.04.1

80.*

80.0.3987.87-0ubuntu0.16.04.1

80.0.3987.149-0ubuntu0.16.04.1

80.0.3987.163-0ubuntu0.16.04.1

81.*

81.0.4044.122-0ubuntu0.16.04.1

81.0.4044.138-0ubuntu0.16.04.1

84.*

84.0.4147.105-0ubuntu0.16.04.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "85.0.4183.83-0ubuntu0.16.04.2",
            "binary_name": "chromium-browser"
        },
        {
            "binary_version": "85.0.4183.83-0ubuntu0.16.04.2",
            "binary_name": "chromium-browser-l10n"
        },
        {
            "binary_version": "85.0.4183.83-0ubuntu0.16.04.2",
            "binary_name": "chromium-chromedriver"
        },
        {
            "binary_version": "85.0.4183.83-0ubuntu0.16.04.2",
            "binary_name": "chromium-codecs-ffmpeg"
        },
        {
            "binary_version": "85.0.4183.83-0ubuntu0.16.04.2",
            "binary_name": "chromium-codecs-ffmpeg-extra"
        }
    ]
}

Ubuntu:18.04:LTS / chromium-browser

Package

Name: chromium-browser
Purl: pkg:deb/ubuntu/chromium-browser@85.0.4183.83-0ubuntu0.18.04.2?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

85.0.4183.83-0ubuntu0.18.04.2

Affected versions

61.*

61.0.3163.100-0ubuntu1.1378

62.*

62.0.3202.62-0ubuntu0.17.10.1380

62.0.3202.89-0ubuntu1.1386

62.0.3202.94-0ubuntu1.1388

63.*

63.0.3239.84-0ubuntu1

63.0.3239.108-0ubuntu1

64.*

64.0.3282.119-0ubuntu1

64.0.3282.140-0ubuntu1

64.0.3282.167-0ubuntu1

65.*

65.0.3325.146-0ubuntu1

65.0.3325.181-0ubuntu1

66.*

66.0.3359.139-0ubuntu0.18.04.3

66.0.3359.181-0ubuntu0.18.04.1

67.*

67.0.3396.99-0ubuntu0.18.04.1

68.*

68.0.3440.75-0ubuntu0.18.04.1

68.0.3440.106-0ubuntu0.18.04.1

69.*

69.0.3497.81-0ubuntu0.18.04.1

70.*

70.0.3538.67-0ubuntu0.18.04.1

70.0.3538.77-0ubuntu0.18.04.1

70.0.3538.110-0ubuntu0.18.04.1

71.*

71.0.3578.80-0ubuntu0.18.04.1

71.0.3578.98-0ubuntu0.18.04.1

72.*

72.0.3626.119-0ubuntu0.18.04.1

72.0.3626.121-0ubuntu0.18.04.1

73.*

73.0.3683.75-0ubuntu0.18.04.1

73.0.3683.86-0ubuntu0.18.04.1

74.*

74.0.3729.169-0ubuntu0.18.04.1

75.*

75.0.3770.90-0ubuntu0.18.04.1

75.0.3770.142-0ubuntu0.18.04.1

76.*

76.0.3809.87-0ubuntu0.18.04.1

76.0.3809.100-0ubuntu0.18.04.1

77.*

77.0.3865.90-0ubuntu0.18.04.1

78.*

78.0.3904.70-0ubuntu0.18.04.2

78.0.3904.97-0ubuntu0.18.04.1

78.0.3904.108-0ubuntu0.18.04.1

79.*

79.0.3945.79-0ubuntu0.18.04.1

79.0.3945.130-0ubuntu0.18.04.1

80.*

80.0.3987.87-0ubuntu0.18.04.1

80.0.3987.149-0ubuntu0.18.04.1

80.0.3987.163-0ubuntu0.18.04.1

81.*

81.0.4044.122-0ubuntu0.18.04.1

81.0.4044.138-0ubuntu0.18.04.1

83.*

83.0.4103.61-0ubuntu0.18.04.1

84.*

84.0.4147.105-0ubuntu0.18.04.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "85.0.4183.83-0ubuntu0.18.04.2",
            "binary_name": "chromium-browser"
        },
        {
            "binary_version": "85.0.4183.83-0ubuntu0.18.04.2",
            "binary_name": "chromium-browser-l10n"
        },
        {
            "binary_version": "85.0.4183.83-0ubuntu0.18.04.2",
            "binary_name": "chromium-chromedriver"
        },
        {
            "binary_version": "85.0.4183.83-0ubuntu0.18.04.2",
            "binary_name": "chromium-codecs-ffmpeg"
        },
        {
            "binary_version": "85.0.4183.83-0ubuntu0.18.04.2",
            "binary_name": "chromium-codecs-ffmpeg-extra"
        }
    ]
}