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Vulnerability details: VCID-5u1c-csvv-2qbj
Vulnerability ID VCID-5u1c-csvv-2qbj
Aliases CVE-2024-4770
Summary When saving a page to PDF, certain font styles could have led to a potential use-after-free crash.
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-2024-4770.json
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00292 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
epss 0.00301 https://api.first.org/data/v1/epss?cve=CVE-2024-4770
cvssv3.1 8.8 https://bugzilla.mozilla.org/show_bug.cgi?id=1893270
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1893270
cvssv3.1 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 8.8 https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
ssvc Track https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
cvssv3.1 8.8 https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html
ssvc Track https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-21
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-22
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-23
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2024-21/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2024-21/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2024-22/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2024-22/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2024-23/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2024-23/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-4770.json
https://api.first.org/data/v1/epss?cve=CVE-2024-4770
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-4367
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-4767
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-4768
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-4769
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-4770
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-4777
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html
2280386 https://bugzilla.redhat.com/show_bug.cgi?id=2280386
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:*:*:*:*:*:*:*:*
CVE-2024-4770 https://nvd.nist.gov/vuln/detail/CVE-2024-4770
mfsa2024-21 https://www.mozilla.org/en-US/security/advisories/mfsa2024-21
mfsa2024-21 https://www.mozilla.org/security/advisories/mfsa2024-21/
mfsa2024-22 https://www.mozilla.org/en-US/security/advisories/mfsa2024-22
mfsa2024-22 https://www.mozilla.org/security/advisories/mfsa2024-22/
mfsa2024-23 https://www.mozilla.org/en-US/security/advisories/mfsa2024-23
mfsa2024-23 https://www.mozilla.org/security/advisories/mfsa2024-23/
RHSA-2024:2881 https://access.redhat.com/errata/RHSA-2024:2881
RHSA-2024:2882 https://access.redhat.com/errata/RHSA-2024:2882
RHSA-2024:2883 https://access.redhat.com/errata/RHSA-2024:2883
RHSA-2024:2884 https://access.redhat.com/errata/RHSA-2024:2884
RHSA-2024:2885 https://access.redhat.com/errata/RHSA-2024:2885
RHSA-2024:2886 https://access.redhat.com/errata/RHSA-2024:2886
RHSA-2024:2887 https://access.redhat.com/errata/RHSA-2024:2887
RHSA-2024:2888 https://access.redhat.com/errata/RHSA-2024:2888
RHSA-2024:2903 https://access.redhat.com/errata/RHSA-2024:2903
RHSA-2024:2904 https://access.redhat.com/errata/RHSA-2024:2904
RHSA-2024:2905 https://access.redhat.com/errata/RHSA-2024:2905
RHSA-2024:2906 https://access.redhat.com/errata/RHSA-2024:2906
RHSA-2024:2911 https://access.redhat.com/errata/RHSA-2024:2911
RHSA-2024:2912 https://access.redhat.com/errata/RHSA-2024:2912
RHSA-2024:2913 https://access.redhat.com/errata/RHSA-2024:2913
RHSA-2024:3338 https://access.redhat.com/errata/RHSA-2024:3338
RHSA-2024:3783 https://access.redhat.com/errata/RHSA-2024:3783
RHSA-2024:3784 https://access.redhat.com/errata/RHSA-2024:3784
show_bug.cgi?id=1893270 https://bugzilla.mozilla.org/show_bug.cgi?id=1893270
USN-6779-1 https://usn.ubuntu.com/6779-1/
USN-6782-1 https://usn.ubuntu.com/6782-1/
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-2024-4770.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:H/I:H/A:H Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1893270
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:T/P:M/B:A/M:M/D:T/2024-05-15T14:03:13Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1893270
Vector: CVSS:3.1/AV:N/AC:L/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: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.debian.org/debian-lts-announce/2024/05/msg00010.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:T/P:M/B:A/M:M/D:T/2024-05-15T14:03:13Z/ Found at https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.debian.org/debian-lts-announce/2024/05/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

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-05-15T14:03:13Z/ Found at https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2024-21/
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:T/P:M/B:A/M:M/D:T/2024-05-15T14:03:13Z/ Found at https://www.mozilla.org/security/advisories/mfsa2024-21/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2024-22/
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:T/P:M/B:A/M:M/D:T/2024-05-15T14:03:13Z/ Found at https://www.mozilla.org/security/advisories/mfsa2024-22/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2024-23/
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:T/P:M/B:A/M:M/D:T/2024-05-15T14:03:13Z/ Found at https://www.mozilla.org/security/advisories/mfsa2024-23/
Exploit Prediction Scoring System (EPSS)
Percentile 0.52268
EPSS Score 0.00292
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:03.832958+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2024/mfsa2024-22.yml 37.0.0