CVE-2023-5722
Mozilla Firefox ESR and 3 others: Using iterative requests an attacker was able to learn the size of an opaque response, as well as the…
CVE-2023-5722 is fixed in 105 products on 2 platforms, first by Mozilla Firefox (en-US) 119.0, released October 24, 2023. It is not reported as exploited. Patch Radar priority: Routine.
RoutineFixed on 2 platforms
CVSS
5.3
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0065
51st percentile
Using iterative requests an attacker was able to learn the size of an opaque response, as well as the contents of a server-supplied Vary header. This vulnerability affects Firefox < 119.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Mozilla Firefox (en-US) | 119.0 | Mozilla Firefox (en-US) 119.0 | Oct 24, 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 |
| Linux | |||
| firefox · Ubuntu 20.04 LTS (focal) | 119.0+build2-0ubuntu0.20.04.1 | firefox 119.0+build2-0ubuntu0.20.04.1 | Oct 24, 2023 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 119.0+build2-0ubuntu0.20.04.1 | firefox-geckodriver 119.0+build2-0ubuntu0.20.04.1 | Oct 24, 2023 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 119.0+build2-0ubuntu0.20.04.1 | firefox-mozsymbols 119.0+build2-0ubuntu0.20.04.1 | Oct 24, 2023 |
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