|Description||Use-after-free vulnerability in the ssl3_HandleECDHServerKeyExchange function in Mozilla Network Security Services (NSS) before 3.21, as used in Mozilla Firefox before 44.0, allows remote attackers to cause a denial of service or possibly have unspecified other impact by making an SSL (1) DHE or (2) ECDHE handshake at a time of high memory consumption.|
|Source||CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)|
Vulnerable and fixed packages
The table below lists information on source packages.
|nss (PTS)||buster, buster (security)||2:3.42.1-1+deb10u5||fixed|
|bullseye (security), bullseye||2:3.61-1+deb11u2||fixed|
The information below is based on the following data on fixed versions.
[jessie] - iceweasel <not-affected> (Only affects Firefox 43.x)
[wheezy] - iceweasel <not-affected> (Only affects Firefox 43.x)
Marked as fixed in 44.0-1 which would be the version fixing
the issue while using the bundled nss version. iceweasel for
unstable though used the system library.