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Vulnerability details: VCID-gveu-xsay-wfgr
Vulnerability ID VCID-gveu-xsay-wfgr
Aliases CVE-2024-3861
Summary If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-3861.json
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
epss 0.00101 https://api.first.org/data/v1/epss?cve=CVE-2024-3861
cvssv3.1 4 https://bugzilla.mozilla.org/show_bug.cgi?id=1883158
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1883158
cvssv3.1 6.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 4 https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
ssvc Track https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
cvssv3.1 4 https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
ssvc Track https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-18
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-19
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-20
cvssv3.1 4 https://www.mozilla.org/security/advisories/mfsa2024-18/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2024-18/
cvssv3.1 4 https://www.mozilla.org/security/advisories/mfsa2024-19/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2024-19/
cvssv3.1 4 https://www.mozilla.org/security/advisories/mfsa2024-20/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2024-20/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-3861.json
https://api.first.org/data/v1/epss?cve=CVE-2024-3861
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2609
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-3302
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-3852
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-3854
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-3857
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-3859
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-3861
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-3864
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2275553 https://bugzilla.redhat.com/show_bug.cgi?id=2275553
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:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
CVE-2024-3861 https://nvd.nist.gov/vuln/detail/CVE-2024-3861
mfsa2024-18 https://www.mozilla.org/en-US/security/advisories/mfsa2024-18
mfsa2024-18 https://www.mozilla.org/security/advisories/mfsa2024-18/
mfsa2024-19 https://www.mozilla.org/en-US/security/advisories/mfsa2024-19
mfsa2024-19 https://www.mozilla.org/security/advisories/mfsa2024-19/
mfsa2024-20 https://www.mozilla.org/en-US/security/advisories/mfsa2024-20
mfsa2024-20 https://www.mozilla.org/security/advisories/mfsa2024-20/
msg00012.html https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
msg00013.html https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
RHSA-2024:1904 https://access.redhat.com/errata/RHSA-2024:1904
RHSA-2024:1905 https://access.redhat.com/errata/RHSA-2024:1905
RHSA-2024:1906 https://access.redhat.com/errata/RHSA-2024:1906
RHSA-2024:1907 https://access.redhat.com/errata/RHSA-2024:1907
RHSA-2024:1908 https://access.redhat.com/errata/RHSA-2024:1908
RHSA-2024:1909 https://access.redhat.com/errata/RHSA-2024:1909
RHSA-2024:1910 https://access.redhat.com/errata/RHSA-2024:1910
RHSA-2024:1911 https://access.redhat.com/errata/RHSA-2024:1911
RHSA-2024:1912 https://access.redhat.com/errata/RHSA-2024:1912
RHSA-2024:1934 https://access.redhat.com/errata/RHSA-2024:1934
RHSA-2024:1935 https://access.redhat.com/errata/RHSA-2024:1935
RHSA-2024:1936 https://access.redhat.com/errata/RHSA-2024:1936
RHSA-2024:1937 https://access.redhat.com/errata/RHSA-2024:1937
RHSA-2024:1938 https://access.redhat.com/errata/RHSA-2024:1938
RHSA-2024:1939 https://access.redhat.com/errata/RHSA-2024:1939
RHSA-2024:1940 https://access.redhat.com/errata/RHSA-2024:1940
RHSA-2024:1941 https://access.redhat.com/errata/RHSA-2024:1941
RHSA-2024:1982 https://access.redhat.com/errata/RHSA-2024:1982
show_bug.cgi?id=1883158 https://bugzilla.mozilla.org/show_bug.cgi?id=1883158
USN-6747-1 https://usn.ubuntu.com/6747-1/
USN-6750-1 https://usn.ubuntu.com/6750-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-3861.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:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1883158
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-23T00:42:31Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1883158
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N 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: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
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

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none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-23T00:42:31Z/ Found at https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-23T00:42:31Z/ Found at https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://www.mozilla.org/security/advisories/mfsa2024-18/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-23T00:42:31Z/ Found at https://www.mozilla.org/security/advisories/mfsa2024-18/
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://www.mozilla.org/security/advisories/mfsa2024-19/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-23T00:42:31Z/ Found at https://www.mozilla.org/security/advisories/mfsa2024-19/
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://www.mozilla.org/security/advisories/mfsa2024-20/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-23T00:42:31Z/ Found at https://www.mozilla.org/security/advisories/mfsa2024-20/
Exploit Prediction Scoring System (EPSS)
Percentile 0.28208
EPSS Score 0.00098
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:06.795418+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2024/mfsa2024-18.yml 37.0.0