CVE-2023-4581

XLL file extensions were downloadable without warnings

CVE-2023-4581 is fixed in 114 products on 2 platforms, first by firefox 117.0+build2-0ubuntu0.20.04.1, released August 29, 2023. It is not reported as exploited. Patch Radar priority: High.

HighFixed on 2 platforms
CVSS
8.8
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0057
47th percentile

Excel `.xll` add-in files did not have a blocklist entry in Firefox's executable blocklist which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.

Where it's fixed

ProductFixed inFixReleased
Windows apps
Mozilla Firefox (en-US) 117.0 Mozilla Firefox (en-US) 117.0 Aug 30, 2023
Mozilla Firefox ESR (ach) 128.3.0 Mozilla Firefox ESR (ach) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (af) 128.3.0 Mozilla Firefox ESR (af) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (an) 128.3.0 Mozilla Firefox ESR (an) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ar) 128.3.0 Mozilla Firefox ESR (ar) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ast) 128.3.0 Mozilla Firefox ESR (ast) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (az) 128.3.0 Mozilla Firefox ESR (az) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (be) 128.3.0 Mozilla Firefox ESR (be) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (bg) 128.3.0 Mozilla Firefox ESR (bg) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (bn) 128.3.0 Mozilla Firefox ESR (bn) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (br) 128.3.0 Mozilla Firefox ESR (br) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (bs) 128.3.0 Mozilla Firefox ESR (bs) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ca) 128.3.0 Mozilla Firefox ESR (ca) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ca-valencia) 128.3.0 Mozilla Firefox ESR (ca-valencia) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (cak) 128.3.0 Mozilla Firefox ESR (cak) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (cs) 128.3.0 Mozilla Firefox ESR (cs) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (cy) 128.3.0 Mozilla Firefox ESR (cy) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (da) 128.3.0 Mozilla Firefox ESR (da) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (de) 128.3.0 Mozilla Firefox ESR (de) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (dsb) 128.3.0 Mozilla Firefox ESR (dsb) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (el) 128.3.0 Mozilla Firefox ESR (el) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (en-CA) 128.3.0 Mozilla Firefox ESR (en-CA) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (en-GB) 128.3.0 Mozilla Firefox ESR (en-GB) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (en-US) 128.3.0 Mozilla Firefox ESR (en-US) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (eo) 128.3.0 Mozilla Firefox ESR (eo) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (es-AR) 128.3.0 Mozilla Firefox ESR (es-AR) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (es-CL) 128.3.0 Mozilla Firefox ESR (es-CL) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (es-ES) 128.3.0 Mozilla Firefox ESR (es-ES) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (es-MX) 128.3.0 Mozilla Firefox ESR (es-MX) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (et) 128.3.0 Mozilla Firefox ESR (et) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (eu) 128.3.0 Mozilla Firefox ESR (eu) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fa) 128.3.0 Mozilla Firefox ESR (fa) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ff) 128.3.0 Mozilla Firefox ESR (ff) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fi) 128.3.0 Mozilla Firefox ESR (fi) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fr) 128.3.0 Mozilla Firefox ESR (fr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fur) 128.3.0 Mozilla Firefox ESR (fur) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (fy-NL) 128.3.0 Mozilla Firefox ESR (fy-NL) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ga-IE) 128.3.0 Mozilla Firefox ESR (ga-IE) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (gd) 128.3.0 Mozilla Firefox ESR (gd) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (gl) 128.3.0 Mozilla Firefox ESR (gl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (gn) 128.3.0 Mozilla Firefox ESR (gn) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (gu-IN) 128.3.0 Mozilla Firefox ESR (gu-IN) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (he) 128.3.0 Mozilla Firefox ESR (he) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hi-IN) 128.3.0 Mozilla Firefox ESR (hi-IN) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hr) 128.3.0 Mozilla Firefox ESR (hr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hsb) 128.3.0 Mozilla Firefox ESR (hsb) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hu) 128.3.0 Mozilla Firefox ESR (hu) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (hy-AM) 128.3.0 Mozilla Firefox ESR (hy-AM) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ia) 128.3.0 Mozilla Firefox ESR (ia) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (id) 128.3.0 Mozilla Firefox ESR (id) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (is) 128.3.0 Mozilla Firefox ESR (is) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (it) 128.3.0 Mozilla Firefox ESR (it) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ja) 128.3.0 Mozilla Firefox ESR (ja) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ka) 128.3.0 Mozilla Firefox ESR (ka) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (kab) 128.3.0 Mozilla Firefox ESR (kab) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (kk) 128.3.0 Mozilla Firefox ESR (kk) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (km) 128.3.0 Mozilla Firefox ESR (km) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (kn) 128.3.0 Mozilla Firefox ESR (kn) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ko) 128.3.0 Mozilla Firefox ESR (ko) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (lij) 128.3.0 Mozilla Firefox ESR (lij) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (lt) 128.3.0 Mozilla Firefox ESR (lt) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (lv) 128.3.0 Mozilla Firefox ESR (lv) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (mk) 128.3.0 Mozilla Firefox ESR (mk) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (mr) 128.3.0 Mozilla Firefox ESR (mr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ms) 128.3.0 Mozilla Firefox ESR (ms) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (my) 128.3.0 Mozilla Firefox ESR (my) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (nb-NO) 128.3.0 Mozilla Firefox ESR (nb-NO) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ne-NP) 128.3.0 Mozilla Firefox ESR (ne-NP) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (nl) 128.3.0 Mozilla Firefox ESR (nl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (nn-NO) 128.3.0 Mozilla Firefox ESR (nn-NO) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (oc) 128.3.0 Mozilla Firefox ESR (oc) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (pa-IN) 128.3.0 Mozilla Firefox ESR (pa-IN) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (pl) 128.3.0 Mozilla Firefox ESR (pl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (pt-BR) 128.3.0 Mozilla Firefox ESR (pt-BR) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (pt-PT) 128.3.0 Mozilla Firefox ESR (pt-PT) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (rm) 128.3.0 Mozilla Firefox ESR (rm) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ro) 128.3.0 Mozilla Firefox ESR (ro) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ru) 128.3.0 Mozilla Firefox ESR (ru) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sc) 128.3.0 Mozilla Firefox ESR (sc) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sco) 128.3.0 Mozilla Firefox ESR (sco) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (si) 128.3.0 Mozilla Firefox ESR (si) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sk) 128.3.0 Mozilla Firefox ESR (sk) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sl) 128.3.0 Mozilla Firefox ESR (sl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (son) 128.3.0 Mozilla Firefox ESR (son) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sq) 128.3.0 Mozilla Firefox ESR (sq) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sr) 128.3.0 Mozilla Firefox ESR (sr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (sv-SE) 128.3.0 Mozilla Firefox ESR (sv-SE) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (szl) 128.3.0 Mozilla Firefox ESR (szl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ta) 128.3.0 Mozilla Firefox ESR (ta) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (te) 128.3.0 Mozilla Firefox ESR (te) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (tg) 128.3.0 Mozilla Firefox ESR (tg) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (th) 128.3.0 Mozilla Firefox ESR (th) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (tl) 128.3.0 Mozilla Firefox ESR (tl) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (tr) 128.3.0 Mozilla Firefox ESR (tr) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (trs) 128.3.0 Mozilla Firefox ESR (trs) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (uk) 128.3.0 Mozilla Firefox ESR (uk) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (ur) 128.3.0 Mozilla Firefox ESR (ur) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (uz) 128.3.0 Mozilla Firefox ESR (uz) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (vi) 128.3.0 Mozilla Firefox ESR (vi) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (xh) 128.3.0 Mozilla Firefox ESR (xh) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (zh-CN) 128.3.0 Mozilla Firefox ESR (zh-CN) 128.3.0 Oct 1, 2024
Mozilla Firefox ESR (zh-TW) 128.3.0 Mozilla Firefox ESR (zh-TW) 128.3.0 Oct 1, 2024
Mozilla Thunderbird (en-US) 115.8.0 Mozilla Thunderbird (en-US) 115.8.0 Feb 21, 2024
Linux
firefox · RHEL 8 0:102.15.0-1.el8_8 RHSA-2023:4952 Sep 4, 2023
firefox · RHEL 9 0:102.15.0-1.el9_2 RHSA-2023:4958 Sep 4, 2023
firefox · Ubuntu 20.04 LTS (focal) 117.0+build2-0ubuntu0.20.04.1 firefox 117.0+build2-0ubuntu0.20.04.1 Aug 29, 2023
firefox · almalinux 8 102.15.0-1.el8_8.alma ALSA-2023:4952 Sep 4, 2023
firefox · almalinux 9 102.15.0-1.el9_2.alma ALSA-2023:4958 Sep 4, 2023
firefox · ol 8 0:102.15.0-1.0.1.el8_8 ELSA-2023-4952 Sep 6, 2023
firefox · ol 9 0:102.15.0-1.0.1.el9_2 ELSA-2023-4958 Sep 6, 2023
firefox · rocky 8 0:102.15.0-1.el8_8 RLSA-2023:4952 Oct 6, 2023
firefox-esr · Debian 12.15 (bookworm) 102.15.0esr-1~deb12u1 DEBIAN-CVE-2023-4581 Sep 11, 2023
firefox-esr · Debian 13.5 (trixie) 115.2.0esr-1 DEBIAN-CVE-2023-4581 Sep 11, 2023
firefox-esr · Debian 14 115.2.0esr-1 DEBIAN-CVE-2023-4581 Sep 11, 2023
firefox-geckodriver · Ubuntu 20.04 LTS (focal) 117.0+build2-0ubuntu0.20.04.1 firefox-geckodriver 117.0+build2-0ubuntu0.20.04.1 Aug 29, 2023
firefox-mozsymbols · Ubuntu 20.04 LTS (focal) 117.0+build2-0ubuntu0.20.04.1 firefox-mozsymbols 117.0+build2-0ubuntu0.20.04.1 Aug 29, 2023
firefox-x11 · RHEL 9 0:102.15.0-1.el9_2 RHSA-2023:4958 Sep 4, 2023
firefox-x11 · almalinux 9 102.15.0-1.el9_2.alma ALSA-2023:4958 Sep 4, 2023
firefox-x11 · ol 9 0:102.15.0-1.0.1.el9_2 ELSA-2023-4958 Sep 6, 2023
thunderbird · Debian 12.15 (bookworm) 1:102.15.0-1~deb12u1 DEBIAN-CVE-2023-4581 Sep 11, 2023
thunderbird · Debian 13.5 (trixie) 1:115.2.0-1 DEBIAN-CVE-2023-4581 Sep 11, 2023
thunderbird · Debian 14 1:115.2.0-1 DEBIAN-CVE-2023-4581 Sep 11, 2023
thunderbird · RHEL 8 0:102.15.0-1.el8_8 RHSA-2023:4954 Sep 4, 2023
thunderbird · RHEL 9 0:102.15.0-1.el9_2 RHSA-2023:4955 Sep 4, 2023
thunderbird · Ubuntu 20.04 LTS (focal) 1:102.15.1+build1-0ubuntu0.20.04.1 thunderbird 1:102.15.1+build1-0ubuntu0.20.04.1 Sep 12, 2023
thunderbird · Ubuntu 22.04.1 LTS (jammy) 1:102.15.1+build1-0ubuntu0.22.04.1 thunderbird 1:102.15.1+build1-0ubuntu0.22.04.1 Sep 12, 2023
thunderbird · almalinux 8 102.15.0-1.el8_8.alma ALSA-2023:4954 Sep 4, 2023
thunderbird · almalinux 9 102.15.0-1.el9_2.alma ALSA-2023:4955 Sep 4, 2023
thunderbird · ol 8 0:102.15.0-1.0.1.el8_8 ELSA-2023-4954 Sep 6, 2023
thunderbird · ol 9 0:102.15.0-1.0.1.el9_2 ELSA-2023-4955 Sep 6, 2023
thunderbird · rocky 8 0:102.15.0-1.el8_8 RLSA-2023:4954 Oct 6, 2023
thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) 1:102.15.1+build1-0ubuntu0.20.04.1 thunderbird-gnome-support 1:102.15.1+build1-0ubuntu0.20.04.1 Sep 12, 2023
thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) 1:102.15.1+build1-0ubuntu0.22.04.1 thunderbird-gnome-support 1:102.15.1+build1-0ubuntu0.22.04.1 Sep 12, 2023
thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) 1:102.15.1+build1-0ubuntu0.20.04.1 thunderbird-mozsymbols 1:102.15.1+build1-0ubuntu0.20.04.1 Sep 12, 2023
thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) 1:102.15.1+build1-0ubuntu0.22.04.1 thunderbird-mozsymbols 1:102.15.1+build1-0ubuntu0.22.04.1 Sep 12, 2023
xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) 1:102.15.1+build1-0ubuntu0.20.04.1 xul-ext-calendar-timezones 1:102.15.1+build1-0ubuntu0.20.04.1 Sep 12, 2023
xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) 1:102.15.1+build1-0ubuntu0.22.04.1 xul-ext-calendar-timezones 1:102.15.1+build1-0ubuntu0.22.04.1 Sep 12, 2023
xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) 1:102.15.1+build1-0ubuntu0.20.04.1 xul-ext-gdata-provider 1:102.15.1+build1-0ubuntu0.20.04.1 Sep 12, 2023
xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) 1:102.15.1+build1-0ubuntu0.22.04.1 xul-ext-gdata-provider 1:102.15.1+build1-0ubuntu0.22.04.1 Sep 12, 2023
xul-ext-lightning · Ubuntu 20.04 LTS (focal) 1:102.15.1+build1-0ubuntu0.20.04.1 xul-ext-lightning 1:102.15.1+build1-0ubuntu0.20.04.1 Sep 12, 2023
xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) 1:102.15.1+build1-0ubuntu0.22.04.1 xul-ext-lightning 1:102.15.1+build1-0ubuntu0.22.04.1 Sep 12, 2023

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