The HTTP/2 implementation in Mozilla Firefox before 43.0 allows remote attackers to cause a denial of service (integer underflow, assertion failure, and application exit) via a malformed PushPromise frame that triggers decompressed-buffer length miscalculation and incorrect memory allocation.
CVSS Details
- CVSS 3.1 Base Score: 6.5
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade libxulUpgrade linux-firefoxUpgrade firefoxUpgrade seamonkeyUpgrade linux-seamonkeyUpgrade firefox-esrUpgrade linux-thunderbirdUpgrade thunderbird | Dec 10, 2025 | Dec 15, 2015 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox. | Oct 30, 2017 | Dec 16, 2015 |
| Mfsa2015 142 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 43.0 | Dec 18, 2015 | Dec 16, 2015 |
| Suse | — | Upgrade MozillaFirefoxUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-develUpgrade MozillaFirefox-translations-common | Jan 4, 2016 | Dec 16, 2015 |
| Ubuntu | — | Upgrade firefox | Dec 18, 2015 | Dec 15, 2015 |
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