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alsa-2021:5013
Vulnerability from osv_almalinux
Published
2021-12-08 09:42
Modified
2021-12-08 21:17
Summary
Important: firefox security update
Details
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 91.4.0 ESR.
Security Fix(es):
-
Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4
-
Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536)
-
Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537)
-
Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538)
-
Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539)
-
Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541)
-
Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler (CVE-2021-43542)
-
Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543)
-
Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545)
-
Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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"details": "Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.\n\nThis update upgrades Firefox to version 91.4.0 ESR.\n\nSecurity Fix(es):\n\n* Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4\n\n* Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536)\n\n* Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537)\n\n* Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538)\n\n* Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539)\n\n* Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541)\n\n* Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler (CVE-2021-43542)\n\n* Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543)\n\n* Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545)\n\n* Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
"id": "ALSA-2021:5013",
"modified": "2021-12-08T21:17:36Z",
"published": "2021-12-08T09:42:58Z",
"references": [
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-43536"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-43537"
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{
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},
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],
"summary": "Important: firefox security update"
}
CVE-2021-43542 (GCVE-0-2021-43542)
Vulnerability from cvelistv5 – Published: 2021-12-08 21:19 – Updated: 2024-08-04 04:03
VLAI?
EPSS
Summary
Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Severity ?
No CVSS data available.
CWE
- XMLHttpRequest error codes could have leaked the existence of an external protocol handler
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Thunderbird |
Affected:
unspecified , < 91.4.0
(custom)
|
||||||||||||
|
||||||||||||||
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CVE-2021-43546 (GCVE-0-2021-43546)
Vulnerability from cvelistv5 – Published: 2021-12-08 21:19 – Updated: 2024-08-04 04:03
VLAI?
EPSS
Summary
It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Severity ?
No CVSS data available.
CWE
- Cursor spoofing could overlay user interface when native cursor is zoomed
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Thunderbird |
Affected:
unspecified , < 91.4.0
(custom)
|
||||||||||||
|
||||||||||||||
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CVE-2021-43543 (GCVE-0-2021-43543)
Vulnerability from cvelistv5 – Published: 2021-12-08 21:19 – Updated: 2024-08-04 04:03
VLAI?
EPSS
Summary
Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Severity ?
No CVSS data available.
CWE
- Bypass of CSP sandbox directive when embedding
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Thunderbird |
Affected:
unspecified , < 91.4.0
(custom)
|
||||||||||||
|
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CVE-2021-43545 (GCVE-0-2021-43545)
Vulnerability from cvelistv5 – Published: 2021-12-08 21:19 – Updated: 2024-08-04 04:03
VLAI?
EPSS
Summary
Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Severity ?
No CVSS data available.
CWE
- Denial of Service when using the Location API in a loop
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Thunderbird |
Affected:
unspecified , < 91.4.0
(custom)
|
||||||||||||
|
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CVE-2021-43536 (GCVE-0-2021-43536)
Vulnerability from cvelistv5 – Published: 2021-12-08 21:20 – Updated: 2024-08-04 03:55
VLAI?
EPSS
Summary
Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Severity ?
No CVSS data available.
CWE
- URL leakage when navigating while executing asynchronous function
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Thunderbird |
Affected:
unspecified , < 91.4.0
(custom)
|
||||||||||||
|
||||||||||||||
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CVE-2021-43537 (GCVE-0-2021-43537)
Vulnerability from cvelistv5 – Published: 2021-12-08 21:20 – Updated: 2024-08-04 03:55
VLAI?
EPSS
Summary
An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Severity ?
No CVSS data available.
CWE
- Heap buffer overflow when using structured clone
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Thunderbird |
Affected:
unspecified , < 91.4.0
(custom)
|
||||||||||||
|
||||||||||||||
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CVE-2021-43538 (GCVE-0-2021-43538)
Vulnerability from cvelistv5 – Published: 2021-12-08 21:20 – Updated: 2024-08-04 04:03
VLAI?
EPSS
Summary
By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Severity ?
No CVSS data available.
CWE
- Missing fullscreen and pointer lock notification when requesting both
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Thunderbird |
Affected:
unspecified , < 91.4.0
(custom)
|
||||||||||||
|
||||||||||||||
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CVE-2021-43541 (GCVE-0-2021-43541)
Vulnerability from cvelistv5 – Published: 2021-12-08 21:20 – Updated: 2024-08-04 04:03
VLAI?
EPSS
Summary
When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Severity ?
No CVSS data available.
CWE
- External protocol handler parameters were unescaped
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Thunderbird |
Affected:
unspecified , < 91.4.0
(custom)
|
||||||||||||
|
||||||||||||||
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CVE-2021-43539 (GCVE-0-2021-43539)
Vulnerability from cvelistv5 – Published: 2021-12-08 21:20 – Updated: 2024-08-04 04:03
VLAI?
EPSS
Summary
Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Severity ?
No CVSS data available.
CWE
- GC rooting failure when calling wasm instance methods
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Thunderbird |
Affected:
unspecified , < 91.4.0
(custom)
|
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|
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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