CVE-2023-5168

criticalpriority · track · 39EPSS 0.011 · 66 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.12% (66th) EPSS

CVSS 9.8 · critical

Is it mine?

24 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-26

A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimary

affected products (24)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
Mozilla Firefox <118all versionscert_bundDE
Mozilla Firefox ESR <115.3all versionscert_bundDE
Mozilla Thunderbird <115.3all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Xerox FreeFlow Print Server v2 / Windows 10all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v2__windows_10
Xerox FreeFlow Print Server v7all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v7
Xerox FreeFlow Print Server v9all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v9
Mozilla Firefox< 118cert_bundDE
Mozilla Firefox ESR< 115.3cert_bundDE
Mozilla Thunderbird< 115.3cert_bundDE
Mozilla Firefoxunspecified → 118enisa_euvdEU
Mozilla Firefox ESRunspecified → 115.3enisa_euvdEU

showing 20 of 24

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2448Mozilla Firefox und Thunderbird: Mehrere SchwachstellenDeutsch2023-09-26csaf · cert_bundDE
Ein entfernter anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen, vertrauliche Informationen offenzulegen oder beliebigen Code auszuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2023-09-27modified 2026-06-17

related (16,046)

Related entries.

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In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In __ip6_append_data(), when the paged-allocation branc…
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+16041 more

references (17)

External citations — patches, advisories, analysis.

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