Linux · 
Ubuntu · Package update · February 16, 2023
Ubuntu · Package update · February 16, 2023xul-ext-lightning 1:91.5.0+build1-0ubuntu0.18.04.1: xul-ext-lightning 1:91.5.0+build1-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)
xul-ext-lightning 1:91.5.0+build1-0ubuntu0.18.04.1, released February 16, 2023, fixes 45 CVEs in xul-ext-lightning. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.
UrgentUnsupported product
CVEs closed
45
2 rated Critical
Exploited
0
None reported
Highest CVSS
10.0
Base score, 0 to 10
Highest EPSS
0.0412
90th percentile
Priority of the 45 CVEs
Patch now 0
Urgent 2
High 37
Routine 6
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| xul-ext-lightning | Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2021-4129 | Mozilla Firefox ESR and 3 others: Out-of-bounds Write | 9.8 | 0.0106 | None reported |
| Urgent | CVE-2021-43529 | Mozilla Thunderbird and 1 other: Out-of-bounds Write | 9.8 | 0.0047 | None reported |
| High | CVE-2021-38503 | Mozilla Firefox ESR and 3 others: The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass… | 10.0 | 0.0412 | None reported |
| High | CVE-2021-43537 | Mozilla Firefox ESR and 3 others: An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory… | 9.8 | 0.0209 | None reported |
| High | CVE-2021-44538 | thunderbird: The olm_session_describe function in Matrix libolm before 3.2.7 isvulnerable to a buffer overflow | 9.8 | 0.0200 | None reported |
| High | CVE-2021-43542 | Mozilla Firefox ESR and 3 others: Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages… | 9.8 | 0.0183 | None reported |
| High | CVE-2021-38504 | Mozilla Firefox ESR and 3 others: When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free… | 9.8 | 0.0177 | None reported |
| High | CVE-2021-43536 | Mozilla Firefox ESR and 3 others: Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose… | 9.8 | 0.0174 | None reported |
| High | CVE-2021-43539 | Mozilla Firefox ESR and 3 others: Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC… | 9.8 | 0.0173 | None reported |
| High | CVE-2021-43545 | Mozilla Firefox ESR and 3 others: Using the Location API in a loop could have caused severe application hangs and crashes. | 9.8 | 0.0172 | None reported |
| High | CVE-2021-38496 | Mozilla Firefox ESR and 3 others: During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting… | 8.8 | 0.0166 | None reported |
| High | CVE-2021-43541 | Mozilla Firefox ESR and 3 others: When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was… | 9.8 | 0.0163 | None reported |
| High | CVE-2021-38506 | Mozilla Firefox ESR and 3 others: Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning… | 7.5 | 0.0151 | None reported |
| High | CVE-2021-43546 | Mozilla Firefox ESR and 3 others: It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor. | 9.8 | 0.0151 | None reported |
| High | CVE-2021-38498 | Mozilla Firefox ESR and 3 others: During process shutdown, a document could have caused a use-after-free of a languages service object,… | 7.5 | 0.0147 | None reported |
| High | CVE-2021-43543 | Mozilla Firefox ESR and 3 others: Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by… | 9.8 | 0.0145 | None reported |
| High | CVE-2021-4140 | Mozilla Firefox ESR and 3 others: XML Injection (aka Blind XPath Injection) | 10.0 | 0.0141 | None reported |
| High | CVE-2021-43528 | Mozilla Thunderbird and 1 other: Thunderbird unexpectedly enabled JavaScript in the composition area. | 9.8 | 0.0131 | None reported |
| High | CVE-2021-38500 | Mozilla Firefox ESR and 3 others: Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. | 8.8 | 0.0127 | None reported |
| High | CVE-2021-43534 | Mozilla Firefox ESR and 3 others: Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox… | 8.8 | 0.0125 | None reported |
| High | CVE-2021-43538 | Mozilla Firefox ESR and 3 others: By misusing a race in our notification code, an attacker could have forcefully hidden the notification… | 9.8 | 0.0120 | None reported |
| High | CVE-2021-43535 | Mozilla Firefox ESR and 3 others: A use-after-free could have occured when an HTTP2 session object was released on a different thread,… | 8.8 | 0.0115 | None reported |
| High | CVE-2021-38495 | Mozilla Thunderbird and 1 other: Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. | 8.8 | 0.0111 | None reported |
| High | CVE-2021-38502 | Mozilla Thunderbird and 1 other: Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. | 7.5 | 0.0110 | None reported |
| High | CVE-2021-38501 | Mozilla Firefox ESR and 3 others: Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. | 8.8 | 0.0105 | None reported |
Showing 1 to 25 of 45
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