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Vulnerability details: VCID-bw32-79as-aaac
Vulnerability ID VCID-bw32-79as-aaac
Aliases CVE-2020-26952
Summary Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox < 83.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-26952.html
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epss 0.01189 https://api.first.org/data/v1/epss?cve=CVE-2020-26952
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26952
cvssv2 9.3 https://nvd.nist.gov/vuln/detail/CVE-2020-26952
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2020-26952
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2020-26952
archlinux Critical https://security.archlinux.org/AVG-1279
generic_textual Medium https://ubuntu.com/security/notices/USN-4637-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4637-2
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-50
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2020-50/#CVE-2020-26952
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-26952.html
https://api.first.org/data/v1/epss?cve=CVE-2020-26952
https://bugzilla.mozilla.org/show_bug.cgi?id=1667685
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26952
https://ubuntu.com/security/notices/USN-4637-1
https://ubuntu.com/security/notices/USN-4637-2
https://www.mozilla.org/en-US/security/advisories/mfsa2020-50/#CVE-2020-26952
https://www.mozilla.org/security/advisories/mfsa2020-50/
ASA-202011-12 https://security.archlinux.org/ASA-202011-12
AVG-1279 https://security.archlinux.org/AVG-1279
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:*:*:*:*:*:*:*:*
CVE-2020-26952 https://nvd.nist.gov/vuln/detail/CVE-2020-26952
mfsa2020-50 https://www.mozilla.org/en-US/security/advisories/mfsa2020-50
USN-4637-1 https://usn.ubuntu.com/4637-1/
USN-4637-2 https://usn.ubuntu.com/4637-2/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2020-26952
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-2020-26952
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:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-26952
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 0.56384
EPSS Score 0.00184
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.