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Vulnerability details: VCID-uuea-61zu-2bb8
Vulnerability ID VCID-uuea-61zu-2bb8
Aliases CVE-2020-6463
Summary Crafted media files could lead to a race in texture caches, resulting in a use-after-free, memory corruption, and a potentially exploitable crash.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-416 Use After Free
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6463.json
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
epss 0.02781 https://api.first.org/data/v1/epss?cve=CVE-2020-6463
cvssv3.1 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2020-6463
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2020-6463
archlinux High https://security.archlinux.org/AVG-1213
archlinux High https://security.archlinux.org/AVG-1214
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-30
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-31
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-32
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-33
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-35
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6463.json
https://api.first.org/data/v1/epss?cve=CVE-2020-6463
https://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_21.html
https://crbug.com/1065186
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15652
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15659
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6423
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6430
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6431
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6432
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6433
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6434
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6435
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6436
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6437
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6438
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6439
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6440
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6441
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6442
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6443
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6444
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6445
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6446
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6447
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6448
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6454
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6455
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6456
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6457
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6458
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6459
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6460
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6461
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6462
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6463
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6464
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6465
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6466
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6467
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6468
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6469
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6470
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6471
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6472
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6473
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6474
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6475
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6476
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6478
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6479
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6480
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6481
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6482
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6483
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6484
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6485
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6486
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6487
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6488
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6489
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6490
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6491
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6492
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6493
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6494
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6495
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6496
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6497
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6498
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6505
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6506
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6507
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6509
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6514
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6831
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2020/07/msg00027.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00006.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQYH5OK7O4BU6E37WWG5SEEHV65BFSGR/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WLFZ5N4EK6I4ZJP5YSKLLVN3ELXEB4XT/
https://security.gentoo.org/glsa/202007-60
https://security.gentoo.org/glsa/202007-64
https://www.debian.org/security/2020/dsa-4714
https://www.debian.org/security/2020/dsa-4736
https://www.debian.org/security/2020/dsa-4740
1840893 https://bugzilla.redhat.com/show_bug.cgi?id=1840893
AVG-1213 https://security.archlinux.org/AVG-1213
AVG-1214 https://security.archlinux.org/AVG-1214
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
CVE-2020-6463 https://nvd.nist.gov/vuln/detail/CVE-2020-6463
mfsa2020-30 https://www.mozilla.org/en-US/security/advisories/mfsa2020-30
mfsa2020-31 https://www.mozilla.org/en-US/security/advisories/mfsa2020-31
mfsa2020-32 https://www.mozilla.org/en-US/security/advisories/mfsa2020-32
mfsa2020-33 https://www.mozilla.org/en-US/security/advisories/mfsa2020-33
mfsa2020-35 https://www.mozilla.org/en-US/security/advisories/mfsa2020-35
RHSA-2020:1970 https://access.redhat.com/errata/RHSA-2020:1970
RHSA-2020:3229 https://access.redhat.com/errata/RHSA-2020:3229
RHSA-2020:3233 https://access.redhat.com/errata/RHSA-2020:3233
RHSA-2020:3241 https://access.redhat.com/errata/RHSA-2020:3241
RHSA-2020:3253 https://access.redhat.com/errata/RHSA-2020:3253
RHSA-2020:3254 https://access.redhat.com/errata/RHSA-2020:3254
RHSA-2020:3341 https://access.redhat.com/errata/RHSA-2020:3341
RHSA-2020:3342 https://access.redhat.com/errata/RHSA-2020:3342
RHSA-2020:3343 https://access.redhat.com/errata/RHSA-2020:3343
RHSA-2020:3344 https://access.redhat.com/errata/RHSA-2020:3344
RHSA-2020:3345 https://access.redhat.com/errata/RHSA-2020:3345
USN-4443-1 https://usn.ubuntu.com/4443-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6463.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-6463
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-6463
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.85498
EPSS Score 0.02781
Published At Aug. 15, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:41.162887+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2020/mfsa2020-33.yml 37.0.0