
CVE catalog
CVE-2020-6797
firefox-esr: CVE-2020-6797
- Severity
- Medium · CVSS 5.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.48% · Oct 25, 2026
By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary application on the user's computer. The attacker is restricted as they are unable to download non-quarantined files or supply command line arguments to the application, limiting the impact. Note: this issue only occurs on Mac OSX. Other operating systems are unaffected. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | firefox-esr | sid | 153.5.1esr-1 | not affected |
| Debian | firefox-esr | forky | 153.5.1esr-1 | not affected |
| Debian | firefox-esr | trixie | 140.15.0esr-1~deb13u1 | not affected |
| Debian | firefox-esr | trixie-security | 153.5.1esr-1~deb13u1 | not affected |
| Debian | firefox-esr | bookworm | 140.12.0esr-1~deb12u1 | not affected |
| Debian | firefox-esr | bookworm-security | 153.5.1esr-1~deb12u1 | not affected |
| Debian | thunderbird | sid | 1:153.5.1esr-1 | not affected |
| Debian | thunderbird | forky | 1:153.5.0esr-1 | not affected |
| Debian | thunderbird | trixie | 1:140.12.0esr-1~deb13u1 | not affected |
| Debian | thunderbird | trixie-security | 1:153.5.1esr-1~deb13u2 | not affected |
| Debian | thunderbird | bookworm | 1:140.12.0esr-1~deb12u1 | not affected |
| Debian | thunderbird | bookworm-security | 1:153.5.1esr-1~deb12u1 | not affected |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | firefox-esr | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | firefox-esr | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | firefox-esr | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | firefox-esr | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Debian | thunderbird | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | thunderbird | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | thunderbird | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | thunderbird | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [firefox-esr]Unknown
Details (4)
140.12.0esr-1~deb12u1· amd64 · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· arm64 · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· amd64 · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· arm64 · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-ach]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-af]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-all]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-an]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-ar]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-ast]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-az]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-be]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-bg]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-bn]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-br]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-bs]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-ca]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-cak]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-ca-valencia]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-cs]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-cy]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-da]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
- [firefox-esr-l10n-de]Unknown
Source package: [firefox-esr]
Details (4)
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.12.0esr-1~deb12u1· all · bookwormNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
140.14.0esr-1~deb12u1· all · bookworm-securityNot affected
dsa · firefox-esr · debian · bookworm
Observed: