CVE-2020-6797
By downloading a file with the .fileloc extension, a semi-privileged extension could launch an...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-6797- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2020-6797- Updated
- 2026-11-02
EUVDEUVD-2020-27944No score
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.
- Record
EUVD-2020-27944- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x22j-8886-rjmhNo score
By downloading a file with the .fileloc extension, a semi-privileged extension could launch an...
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.
- Record
GHSA-x22j-8886-rjmh- Weakness
- CWE-20
- Updated
- 2026-11-02
OSVALPINE-CVE-2020-6797
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.
- Record
ALPINE-CVE-2020-6797- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-03
OSVopenSUSE-SU-2020:0230-1No score
Security update for MozillaFirefox
This update for MozillaFirefox fixes the following issues:
- Firefox Extended Support Release 68.5.0 ESR
- Fixed: Various stability and security fixes
- Mozilla Firefox ESR68.5
MFSA 2020-06 (bsc#1163368)
- CVE-2020-6796 (bmo#1610426) Missing bounds check on shared memory read in the parent process
- CVE-2020-6797 (bmo#1596668) Extensions granted downloads.open permission could open arbitrary applications on Mac OSX
- CVE-2020-6798 (bmo#1602944) Incorrect parsing of template tag could result in JavaScript injection
- CVE-2020-6799 (bmo#1606596) Arbitrary code execution when opening pdf links from other applications, when Firefox is configured as default pdf reader
- CVE-2020-6800 (bmo#1595786, bmo#1596706, bmo#1598543, bmo#1604851, bmo#1605777, bmo#1608580, bmo#1608785) Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5
This update was imported from the SUSE:SLE-15:Update update project.
- Record
openSUSE-SU-2020:0230-1- Updated
- 2026-11-02
Show 8 moreShow less
OSVopenSUSE-SU-2020:0231-1No score
Security update for MozillaThunderbird
This update for MozillaThunderbird fixes the following issues:
- Mozilla Thunderbird 68.5 (bsc#1162777)
MFSA 2020-07 (bsc#1163368)
CVE-2020-6793 (bmo#1608539) Out-of-bounds read when processing certain email messages
CVE-2020-6794 (bmo#1606619) Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords
CVE-2020-6795 (bmo#1611105) Crash processing S/MIME messages with multiple signatures
CVE-2020-6797 (bmo#1596668) Extensions granted downloads.open permission could open arbitrary applications on Mac OSX
CVE-2020-6798 (bmo#1602944) Incorrect parsing of template tag could result in JavaScript injection
CVE-2020-6792 (bmo#1609607) Message ID calculcation was based on uninitialized data
CVE-2020-6800 (bmo#1595786, bmo#1596706, bmo#1598543, bmo#1604851, bmo#1605777, bmo#1608580, bmo#1608785) Memory safety bugs fixed in Thunderbird 68.5
new: Support for Client Identity IMAP/SMTP Service Extension (bmo#1532388)
new: Support for OAuth 2.0 authentication for POP3 accounts (bmo#1538409)
fixed: Status area goes blank during account setup (bmo#1593122)
fixed: Calendar: Could not remove color for default categories (bmo#1584853)
fixed: Calendar: Prevent calendar component loading multiple times (bmo#1606375)
fixed: Calendar: Today pane did not retain width between sessions (bmo#1610207)
unresolved: When upgrading from Thunderbird version 60 to version 68, add-ons are not automatically updated during the upgrade process. They will however be updated during the add- on update check. It is of course possible to reinstall compatible add-ons via the Add-ons Manager or via addons.thunderbird.net. (bmo#1574183)
changed: Calendar: Task and Event tree colours adjusted for the dark theme (bmo#1608344)
fixed: Retrieval of S/MIME certificates from LDAP failed (bmo#1604773)
fixed: Address-parsing crash on some IMAP servers when preference mail.imap.use_envelope_cmd was set (bmo#1609690)
fixed: Incorrect forwarding of HTML messages caused SMTP servers to respond with a timeout (bmo#1222046)
fixed: Calendar: Various parts of the calendar UI stopped working when a second Thunderbird window opened (bmo#1608407)
This update was imported from the SUSE:SLE-15:Update update project.
- Record
openSUSE-SU-2020:0231-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10600-1No score
MozillaFirefox-92.0-1.2 on GA media
These are all security issues fixed in the MozillaFirefox-92.0-1.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10600-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10601-1No score
MozillaThunderbird-91.1.1-1.1 on GA media
These are all security issues fixed in the MozillaThunderbird-91.1.1-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10601-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:14572-1No score
firefox-esr-128.5.1-1.1 on GA media
These are all security issues fixed in the firefox-esr-128.5.1-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:14572-1- Updated
- 2026-11-02
OSVSUSE-SU-2020:0383-1No score
Security update for MozillaFirefox
This update for MozillaFirefox fixes the following issues:
- Firefox Extended Support Release 68.5.0 ESR
- Fixed: Various stability and security fixes
- Mozilla Firefox ESR68.5
MFSA 2020-06 (bsc#1163368)
- CVE-2020-6796 (bmo#1610426) Missing bounds check on shared memory read in the parent process
- CVE-2020-6797 (bmo#1596668) Extensions granted downloads.open permission could open arbitrary applications on Mac OSX
- CVE-2020-6798 (bmo#1602944) Incorrect parsing of template tag could result in JavaScript injection
- CVE-2020-6799 (bmo#1606596) Arbitrary code execution when opening pdf links from other applications, when Firefox is configured as default pdf reader
- CVE-2020-6800 (bmo#1595786, bmo#1596706, bmo#1598543, bmo#1604851, bmo#1605777, bmo#1608580, bmo#1608785) Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5
- Record
SUSE-SU-2020:0383-1- Updated
- 2026-11-02
OSVSUSE-SU-2020:0384-1No score
Security update for MozillaFirefox
This update for MozillaFirefox fixes the following issues:
- Firefox Extended Support Release 68.5.0 ESR
- CVE-2020-6796 (bmo#1610426) Missing bounds check on shared memory read in the parent process
- CVE-2020-6797 (bmo#1596668) Extensions granted downloads.open permission could open arbitrary applications on Mac OSX
- CVE-2020-6798 (bmo#1602944) Incorrect parsing of template tag could result in JavaScript injection
- CVE-2020-6799 (bmo#1606596) Arbitrary code execution when opening pdf links from other applications, when Firefox is configured as default pdf reader
- CVE-2020-6800 (bmo#1595786, bmo#1596706, bmo#1598543, bmo#1604851, bmo#1605777, bmo#1608580, bmo#1608785) Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5
- Fixed: Fixed various issues opening files with spaces in their path (bmo#1601905, bmo#1602726)
- Record
SUSE-SU-2020:0384-1- Updated
- 2026-11-02
OSVSUSE-SU-2020:0385-1No score
Security update for MozillaThunderbird
This update for MozillaThunderbird fixes the following issues:
- Mozilla Thunderbird 68.5 (bsc#1162777)
MFSA 2020-07 (bsc#1163368)
CVE-2020-6793 (bmo#1608539) Out-of-bounds read when processing certain email messages
CVE-2020-6794 (bmo#1606619) Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords
CVE-2020-6795 (bmo#1611105) Crash processing S/MIME messages with multiple signatures
CVE-2020-6797 (bmo#1596668) Extensions granted downloads.open permission could open arbitrary applications on Mac OSX
CVE-2020-6798 (bmo#1602944) Incorrect parsing of template tag could result in JavaScript injection
CVE-2020-6792 (bmo#1609607) Message ID calculcation was based on uninitialized data
CVE-2020-6800 (bmo#1595786, bmo#1596706, bmo#1598543, bmo#1604851, bmo#1605777, bmo#1608580, bmo#1608785) Memory safety bugs fixed in Thunderbird 68.5
new: Support for Client Identity IMAP/SMTP Service Extension (bmo#1532388)
new: Support for OAuth 2.0 authentication for POP3 accounts (bmo#1538409)
fixed: Status area goes blank during account setup (bmo#1593122)
fixed: Calendar: Could not remove color for default categories (bmo#1584853)
fixed: Calendar: Prevent calendar component loading multiple times (bmo#1606375)
fixed: Calendar: Today pane did not retain width between sessions (bmo#1610207)
unresolved: When upgrading from Thunderbird version 60 to version 68, add-ons are not automatically updated during the upgrade process. They will however be updated during the add- on update check. It is of course possible to reinstall compatible add-ons via the Add-ons Manager or via addons.thunderbird.net. (bmo#1574183)
changed: Calendar: Task and Event tree colours adjusted for the dark theme (bmo#1608344)
fixed: Retrieval of S/MIME certificates from LDAP failed (bmo#1604773)
fixed: Address-parsing crash on some IMAP servers when preference mail.imap.use_envelope_cmd was set (bmo#1609690)
fixed: Incorrect forwarding of HTML messages caused SMTP servers to respond with a timeout (bmo#1222046)
fixed: Calendar: Various parts of the calendar UI stopped working when a second Thunderbird window opened (bmo#1608407)
- Record
SUSE-SU-2020:0385-1- Updated
- 2026-11-02
OSVSUSE-SU-2020:14290-1No score
Security update for MozillaFirefox
This update for MozillaFirefox fixes the following issues:
Firefox was updated to version 68.5.0 ESR (bsc#1163368).
Security issues fixed:
- CVE-2020-6796: Fixed a missing bounds check on shared memory in the parent process (bsc#1163368).
- CVE-2020-6798: Fixed a JavaScript code injection issue caused by the incorrect parsing of template tags (bsc#1163368).
- CVE-2020-6799: Fixed a local arbitrary code execution issue when handling PDF links from other applications (bsc#1163368).
- CVE-2020-6800: Fixed several memory safety bugs (bsc#1163368).
Non-security issues fixed:
- Fixed various issues opening files with spaces in their path (bmo#1601905, bmo#1602726).
- Record
SUSE-SU-2020:14290-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
firefox-esrAlpine:v3.11 | before 68.5.0-r0 | 68.5.0-r0 |
firefox-esrAlpine:v3.12 | before 68.5.0-r0 | 68.5.0-r0 |
firefox-esrAlpine:v3.13 | before 68.5.0-r0 | 68.5.0-r0 |
firefox-esrAlpine:v3.14 | before 68.5.0-r0 | 68.5.0-r0 |
firefox-esrAlpine:v3.15 | before 68.5.0-r0 | 68.5.0-r0 |
firefox-esrAlpine:v3.16 | before 68.5.0-r0 | 68.5.0-r0 |
firefox-esrAlpine:v3.17 | before 68.5.0-r0 | 68.5.0-r0 |
firefox-esrAlpine:v3.18 | before 68.5.0-r0 | 68.5.0-r0 |
firefox-esrAlpine:v3.19 | before 68.5.0-r0 | 68.5.0-r0 |
firefox-esrAlpine:v3.20 | before 68.5.0-r0 | 68.5.0-r0 |
Show 40 moreShow less
| Package | Affected | Fixed |
|---|---|---|
firefox-esrAlpine:v3.21 | before 68.5.0-r0 | 68.5.0-r0 |
firefox-esrAlpine:v3.22 | before 68.5.0-r0 | 68.5.0-r0 |
firefox-esrAlpine:v3.23 | before 68.5.0-r0 | 68.5.0-r0 |
thunderbirdAlpine:v3.16 | before 68.5.0-r0 | 68.5.0-r0 |
thunderbirdAlpine:v3.17 | before 68.5.0-r0 | 68.5.0-r0 |
thunderbirdAlpine:v3.18 | before 68.5.0-r0 | 68.5.0-r0 |
thunderbirdAlpine:v3.19 | before 68.5.0-r0 | 68.5.0-r0 |
thunderbirdAlpine:v3.20 | before 68.5.0-r0 | 68.5.0-r0 |
thunderbirdAlpine:v3.21 | before 68.5.0-r0 | 68.5.0-r0 |
thunderbirdAlpine:v3.22 | before 68.5.0-r0 | 68.5.0-r0 |
thunderbirdAlpine:v3.23 | before 68.5.0-r0 | 68.5.0-r0 |
MozillaFirefoxSUSE:Linux Enterprise Module for Desktop Applications 15 From an advisory covering 5 CVEs | before 68.5.0-3.72.1 | 68.5.0-3.72.1 |
MozillaFirefoxSUSE:Linux Enterprise Module for Desktop Applications 15 SP1 From an advisory covering 5 CVEs | before 68.5.0-3.72.1 | 68.5.0-3.72.1 |
MozillaFirefoxSUSE:HPE Helion OpenStack 8 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:OpenStack Cloud 7 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:OpenStack Cloud 8 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:OpenStack Cloud Crowbar 8 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Desktop 12 SP4 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Server for SAP Applications 12 SP1 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Server for SAP Applications 12 SP2 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Server for SAP Applications 12 SP3 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Software Development Kit 12 SP4 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Software Development Kit 12 SP5 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Server 12 SP1-LTSS From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Server 12 SP2-LTSS From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Server 12 SP2-BCL From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Server 12 SP3-LTSS From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Server 12 SP3-BCL From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Server 12 SP4 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Server for SAP Applications 12 SP4 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Server 12 SP5 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Linux Enterprise Server for SAP Applications 12 SP5 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaFirefoxSUSE:Enterprise Storage 5 From an advisory covering 5 CVEs | before 68.5.0-109.106.1 | 68.5.0-109.106.1 |
MozillaThunderbirdSUSE:Linux Enterprise Workstation Extension 15 SP1 From an advisory covering 7 CVEs | before 68.5.0-3.71.1 | 68.5.0-3.71.1 |
MozillaFirefoxSUSE:Linux Enterprise Server 11 SP4-LTSS From an advisory covering 5 CVEs | before 68.5.0-78.61.2 | 68.5.0-78.61.2 |
MozillaFirefoxopenSUSE:Leap 15.1 From an advisory covering 5 CVEs | before 68.5.0-lp151.2.30.1 | 68.5.0-lp151.2.30.1 |
MozillaThunderbirdopenSUSE:Leap 15.1 From an advisory covering 7 CVEs | before 68.5.0-lp151.2.25.1 | 68.5.0-lp151.2.25.1 |
MozillaFirefoxopenSUSE:Tumbleweed From an advisory covering 661 CVEs | before 92.0-1.2 | 92.0-1.2 |
MozillaThunderbirdopenSUSE:Tumbleweed From an advisory covering 394 CVEs | before 91.1.1-1.1 | 91.1.1-1.1 |
firefox-esropenSUSE:Tumbleweed From an advisory covering 1860 CVEs | before 128.5.1-1.1 | 128.5.1-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected, aliases, references | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-6797 is a medium vulnerability (CVSS 4.3) in Mozilla Firefox, published February 17, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.48%, the 74th percentile. Fixed in firefox-esr 68.5.0-r0.
References
mozilla.org/security/advisories/mfsa2020-05
bugzilla.mozilla.org/show_bug.cgi?id=1596668
security.gentoo.org/glsa/202003-02
nvd.nist.gov/vuln/detail/CVE-2020-6797
Show 194 moreShow less
github.com/advisories/GHSA-x22j-8886-rjmh
security.alpinelinux.org/vuln/CVE-2020-6797
suse.com/support/update/announcement/2020/suse-su-20200383-1
bugzilla.suse.com/1163368
lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/P7R5CGITOKISJ3KLHI423OQ7CG622ECE
Left out here: 1,767 references. The JSON record has them.