The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified impact via vectors involving the label_len variable, which triggers an out-of-bounds stack read.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade libevent | Aug 30, 2017 | Mar 15, 2017 |
| Centos_linux | — | Upgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbirdUpgrade thunderbird-debuginfo | May 10, 2017 | Feb 15, 2017 |
| Debian | — | Upgrade libevent | Feb 16, 2017 | Feb 15, 2017 |
| Freebsd | — | Upgrade libeventUpgrade linux-c7-libeventUpgrade linux-c6-libevent2Upgrade libevent2 | Apr 20, 2017 | Apr 19, 2017 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade www-client/firefox-bin.Upgrade dev-libs/libevent. | Oct 30, 2017 | Mar 15, 2017 |
| Huawei Euleros 2_0_sp1 | — | Upgrade firefox | Nov 30, 2017 | Mar 15, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade firefox | Nov 30, 2017 | Mar 15, 2017 |
| Mfsa2017 10 | — | Upgrade to Mozilla Firefox version 53.0 | Jul 12, 2018 | Mar 15, 2017 |
| Mfsa2017 11 | — | Upgrade to Mozilla Firefox ESR version 45.9 | Apr 28, 2017 | Mar 15, 2017 |
| Mfsa2017 12 | — | Upgrade to Mozilla Firefox ESR version 52.1 | Apr 28, 2017 | Mar 15, 2017 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 52.1 | May 2, 2017 | Mar 15, 2017 |
| Oracle Solaris | — | Upgrade library/libevent to version 1.4.14.2-0.175.3.18.0.1.0 on Solaris 11.3 | May 29, 2017 | Mar 15, 2017 |
| Oracle_linux | — | Upgrade thunderbird | May 8, 2017 | Jan 27, 2016 |
| Redhat_linux | — | No solution existsUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade firefox | May 2, 2017 | Feb 15, 2017 |
| Suse | — | Upgrade libevent-1_4-2Upgrade libevent-2_0-5Upgrade libevent-devel | Jan 26, 2018 | Feb 15, 2017 |
| Ubuntu | — | Upgrade libevent-2.0-5Upgrade thunderbird | Mar 14, 2017 | Feb 15, 2017 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Mar 15, 2017 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub