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Vulnerability details: VCID-uufj-veyw-rbdd
Vulnerability ID VCID-uufj-veyw-rbdd
Aliases CVE-2019-9810
Summary Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow.
Status Published
Exploitability 2.0
Weighted Severity 9.0
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-9810.json
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
epss 0.7088 https://api.first.org/data/v1/epss?cve=CVE-2019-9810
cvssv3 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2019-9810
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2019-9810
archlinux Critical https://security.archlinux.org/AVG-930
archlinux Critical https://security.archlinux.org/AVG-947
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-09
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-10
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-12
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2019:0966
https://access.redhat.com/errata/RHSA-2019:1144
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-9810.json
https://api.first.org/data/v1/epss?cve=CVE-2019-9810
https://bugzilla.mozilla.org/show_bug.cgi?id=1537924
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9810
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9813
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.mozilla.org/security/advisories/mfsa2019-09/
https://www.mozilla.org/security/advisories/mfsa2019-10/
https://www.mozilla.org/security/advisories/mfsa2019-12/
1692181 https://bugzilla.redhat.com/show_bug.cgi?id=1692181
ASA-201903-14 https://security.archlinux.org/ASA-201903-14
ASA-201904-4 https://security.archlinux.org/ASA-201904-4
AVG-930 https://security.archlinux.org/AVG-930
AVG-947 https://security.archlinux.org/AVG-947
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:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
CVE-2019-9810 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/46605.html
CVE-2019-9810 https://nvd.nist.gov/vuln/detail/CVE-2019-9810
mfsa2019-09 https://www.mozilla.org/en-US/security/advisories/mfsa2019-09
mfsa2019-10 https://www.mozilla.org/en-US/security/advisories/mfsa2019-10
mfsa2019-12 https://www.mozilla.org/en-US/security/advisories/mfsa2019-12
RHSA-2019:0671 https://access.redhat.com/errata/RHSA-2019:0671
RHSA-2019:0672 https://access.redhat.com/errata/RHSA-2019:0672
USN-3919-1 https://usn.ubuntu.com/3919-1/
USN-3927-1 https://usn.ubuntu.com/3927-1/
Data source Exploit-DB
Date added March 26, 2019
Description Firefox < 66.0.1 - 'Array.prototype.slice' Buffer Overflow
Ransomware campaign use Unknown
Source publication date March 26, 2019
Exploit type dos
Platform multiple
Source update date March 26, 2019
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-2019-9810.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:3.0/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:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-9810
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-2019-9810
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 0.98629
EPSS Score 0.7088
Published At Aug. 5, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:57.096241+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2019/mfsa2019-10.yml 37.0.0