Summary
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 91.7.0 ESR.
Security Fix(es):
* Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)
* Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)
* expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)
* expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)
* expat: Integer overflow in storeRawNames() (CVE-2022-25315)
* Mozilla: Use-after-free in text reflows (CVE-2022-26381)
* Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)
* Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)
* Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)
* Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)
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.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 8 | firefox | 0:91.7.0-3.el8_5 |
Vulnerabilities 10
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Critical 9.6CVE-2022-26486 Exploited
An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We hav…
KEV Mar 7, 2022 -
High 8.8
Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of a…
KEV Mar 7, 2022 -
Critical 9.8CVE-2022-25235 Public exploit
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a U…
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Critical 9.8
xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespac…
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Critical 9.8CVE-2022-25315 Public exploit
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.
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Critical 9.6
If an attacker could control the contents of an iframe sandboxed with <code>allow-popups</code> but not <code>allow-scr…
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High 8.8
An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially explo…
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High 7.5
When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming …
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Medium 6.5
Previously Firefox for macOS and Linux would download temporary files to a user-specific directory in <code>/tmp</code>…
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Medium 4.3
When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen notification. This…
References
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2056363
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2056366
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2056370
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2061735
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2061736
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2062220
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2062221
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2062222
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2062223
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2062224