CVE-2021-23953
Summary
| CVE | CVE-2021-23953 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-02-26 03:15:00 UTC |
| Updated | 2021-03-03 21:05:00 UTC |
| Description | If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Mozilla | Firefox | All | All | All | All |
| Application | Mozilla | Firefox | All | All | All | All |
| Application | Mozilla | Firefox Esr | All | All | All | All |
| Application | Mozilla | Firefox Esr | All | All | All | All |
| Application | Mozilla | Thunderbird | All | All | All | All |
| Application | Mozilla | Thunderbird | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Access Denied | MISC | bugzilla.mozilla.org | Issue Tracking, Permissions Required, Vendor Advisory |
| Security Vulnerabilities fixed in Firefox 85 — Mozilla | MISC | www.mozilla.org | Release Notes, Vendor Advisory |
| Security Vulnerabilities fixed in Firefox ESR 78.7 — Mozilla | MISC | www.mozilla.org | Release Notes, Vendor Advisory |
| Security Vulnerabilities fixed in Thunderbird 78.7 — Mozilla | MISC | www.mozilla.org | Release Notes, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 174740 SUSE Enterprise Linux Security update for MozillaFirefox (SUSE-SU-2021:0246-1)
- 180096 Debian Security Update for thunderbirdfirefox-esr (CVE-2021-23953)
- 296069 Oracle Solaris 11.4 Support Repository Update (SRU) 31.88.5 Missing (CPUJAN2021)
- 375430 SeaMonkey Multiple Vulnerabilities
- 500940 Alpine Linux Security Update for firefox-esr
- 502378 Alpine Linux Security Update for thunderbird
- 750377 OpenSUSE Security Update for MozillaFirefox (openSUSE-SU-2021:0223-1)
- 750378 OpenSUSE Security Update for MozillaFirefox (openSUSE-SU-2021:0222-1)
- 750379 OpenSUSE Security Update for MozillaThunderbird (openSUSE-SU-2021:0208-1)
- 750380 OpenSUSE Security Update for MozillaThunderbird (openSUSE-SU-2021:0209-1)