CVE-2023-4585
Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2
CVE-2023-4585 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
0.0077
55th percentile
Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| 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 13.5 (trixie) | 115.2.0esr-1 | DEBIAN-CVE-2023-4585 | Sep 11, 2023 |
| firefox-esr · Debian 14 | 115.2.0esr-1 | DEBIAN-CVE-2023-4585 | 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 13.5 (trixie) | 1:115.2.0-1 | DEBIAN-CVE-2023-4585 | Sep 11, 2023 |
| thunderbird · Debian 14 | 1:115.2.0-1 | DEBIAN-CVE-2023-4585 | 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) | 1:115.3.1+build1-0ubuntu0.20.04.1 | thunderbird 1:115.3.1+build1-0ubuntu0.20.04.1 | Sep 28, 2023 |
| thunderbird · Ubuntu 22.04.1 LTS (jammy) | 1:115.3.1+build1-0ubuntu0.22.04.2 | thunderbird 1:115.3.1+build1-0ubuntu0.22.04.2 | Sep 28, 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) | 1:115.3.1+build1-0ubuntu0.20.04.1 | thunderbird-gnome-support 1:115.3.1+build1-0ubuntu0.20.04.1 | Sep 28, 2023 |
| thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) | 1:115.3.1+build1-0ubuntu0.22.04.2 | thunderbird-gnome-support 1:115.3.1+build1-0ubuntu0.22.04.2 | Sep 28, 2023 |
| thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) | 1:115.3.1+build1-0ubuntu0.20.04.1 | thunderbird-mozsymbols 1:115.3.1+build1-0ubuntu0.20.04.1 | Sep 28, 2023 |
| thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) | 1:115.3.1+build1-0ubuntu0.22.04.2 | thunderbird-mozsymbols 1:115.3.1+build1-0ubuntu0.22.04.2 | Sep 28, 2023 |
| xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) | 1:115.3.1+build1-0ubuntu0.20.04.1 | xul-ext-calendar-timezones 1:115.3.1+build1-0ubuntu0.20.04.1 | Sep 28, 2023 |
| xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) | 1:115.3.1+build1-0ubuntu0.22.04.2 | xul-ext-calendar-timezones 1:115.3.1+build1-0ubuntu0.22.04.2 | Sep 28, 2023 |
| xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) | 1:115.3.1+build1-0ubuntu0.20.04.1 | xul-ext-gdata-provider 1:115.3.1+build1-0ubuntu0.20.04.1 | Sep 28, 2023 |
| xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) | 1:115.3.1+build1-0ubuntu0.22.04.2 | xul-ext-gdata-provider 1:115.3.1+build1-0ubuntu0.22.04.2 | Sep 28, 2023 |
| xul-ext-lightning · Ubuntu 20.04 LTS (focal) | 1:115.3.1+build1-0ubuntu0.20.04.1 | xul-ext-lightning 1:115.3.1+build1-0ubuntu0.20.04.1 | Sep 28, 2023 |
| xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) | 1:115.3.1+build1-0ubuntu0.22.04.2 | xul-ext-lightning 1:115.3.1+build1-0ubuntu0.22.04.2 | Sep 28, 2023 |
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