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Vulnerability details: VCID-hy6y-sxt8-aaar
Vulnerability ID VCID-hy6y-sxt8-aaar
Aliases CVE-2017-7793
Summary A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-7793.html
rhas Critical https://access.redhat.com/errata/RHSA-2017:2831
rhas Important https://access.redhat.com/errata/RHSA-2017:2885
cvssv3 9.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7793.json
epss 0.00423 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
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epss 0.00423 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.00423 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.00519 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.00519 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
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epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
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epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
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epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
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epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
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epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.0329 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
epss 0.06218 https://api.first.org/data/v1/epss?cve=CVE-2017-7793
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1496649
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7793
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7805
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7810
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7814
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7818
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7819
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7823
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7824
cvssv2 7.6 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-7793
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2017-7793
archlinux Critical https://security.archlinux.org/AVG-441
generic_textual Medium https://ubuntu.com/security/notices/USN-3435-1
generic_textual Medium https://ubuntu.com/security/notices/USN-3436-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-21
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2017-21/
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-22
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-23
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-7793.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7793.json
https://api.first.org/data/v1/epss?cve=CVE-2017-7793
https://bugzilla.mozilla.org/show_bug.cgi?id=1371889
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7793
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7805
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7810
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7814
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7818
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7819
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7823
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7824
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html
https://security.gentoo.org/glsa/201803-14
https://ubuntu.com/security/notices/USN-3435-1
https://ubuntu.com/security/notices/USN-3436-1
https://www.debian.org/security/2017/dsa-3987
https://www.debian.org/security/2017/dsa-4014
https://www.mozilla.org/en-US/security/advisories/mfsa2017-21/
https://www.mozilla.org/security/advisories/mfsa2017-21/
https://www.mozilla.org/security/advisories/mfsa2017-22/
https://www.mozilla.org/security/advisories/mfsa2017-23/
http://www.securityfocus.com/bid/101055
http://www.securitytracker.com/id/1039465
1496649 https://bugzilla.redhat.com/show_bug.cgi?id=1496649
ASA-201710-19 https://security.archlinux.org/ASA-201710-19
AVG-441 https://security.archlinux.org/AVG-441
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
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:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CVE-2017-7793 https://nvd.nist.gov/vuln/detail/CVE-2017-7793
GLSA-201802-03 https://security.gentoo.org/glsa/201802-03
mfsa2017-21 https://www.mozilla.org/en-US/security/advisories/mfsa2017-21
mfsa2017-22 https://www.mozilla.org/en-US/security/advisories/mfsa2017-22
mfsa2017-23 https://www.mozilla.org/en-US/security/advisories/mfsa2017-23
RHSA-2017:2831 https://access.redhat.com/errata/RHSA-2017:2831
RHSA-2017:2885 https://access.redhat.com/errata/RHSA-2017:2885
USN-3435-1 https://usn.ubuntu.com/3435-1/
USN-3436-1 https://usn.ubuntu.com/3436-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-7793.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: AV:N/AC:H/Au:N/C:C/I:C/A:C Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/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:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-7793
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-7793
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 0.73976
EPSS Score 0.00423
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.