CVE-2017-5446: Critical severity Mozilla Thunderbird vulnerability
An out-of-bounds read when an HTTP/2 connection to a servers sends "DATA" frames with incorrect data content. This leads to a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
Other sources
An out-of-bounds read when an HTTP/2 connection to a servers sends <code>DATA</code> frames with incorrect data content. This leads to a potentially exploitable crash.
External Reference:
https://www.mozilla.org/en-US/security/advisories/mfsa2017-11/#CVE-2017-5446
Acknowledgements:
Name: the Mozilla project Upstream: Chun Han Hsiao
— Red Hat
An out-of-bounds read when an HTTP/2 connection to a servers sends DATA frames with incorrect data content. This leads to a potentially exploitable crash.
Affected Software
Remediation
Patch Available
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2017-5433
- CVE-2017-5435
- CVE-2017-5436
- CVE-2017-5461
- CVE-2017-5459
- CVE-2017-5466
- CVE-2017-5434
- CVE-2017-5432
- CVE-2017-5460
- CVE-2017-5438
- CVE-2017-5439
- CVE-2017-5440
- CVE-2017-5441
- CVE-2017-5442
- CVE-2017-5464
- CVE-2017-5443
- CVE-2017-5444
- CVE-2017-5446
- CVE-2017-5447
- CVE-2017-5465
- CVE-2016-10196
- CVE-2017-5454
- CVE-2017-5469
- CVE-2017-5445
- CVE-2017-5449
- CVE-2017-5451
- CVE-2017-5462
- CVE-2017-5467
- CVE-2017-5430
- CVE-2017-5429
- CVE-2017-5448
- CVE-2017-5455
- CVE-2017-5456
- CVE-2017-5450
- CVE-2017-5463
- CVE-2017-5452
- CVE-2017-5453
- CVE-2017-5458
- CVE-2017-5468
Frequently Asked Questions
What is the severity of CVE-2017-5446?
CVE-2017-5446 is classified as a potentially exploitable crash vulnerability.
How do I fix CVE-2017-5446?
To fix CVE-2017-5446, update Thunderbird to version 52.1 or newer and Firefox to versions 53 or newer.
Which products are affected by CVE-2017-5446?
CVE-2017-5446 affects Mozilla Thunderbird versions prior to 52.1, Firefox ESR versions prior to 45.9 and 52.1, and Firefox versions prior to 53.
Is CVE-2017-5446 present in Debian Linux?
Yes, CVE-2017-5446 can affect Debian Linux systems running impacted versions of Firefox and Thunderbird.
Will CVE-2017-5446 affect my browsing experience?
Yes, CVE-2017-5446 may lead to crashes while using affected browsers, potentially interrupting your browsing experience.