In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | Upgrade glibc | May 11, 2018 | Jan 31, 2018 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jan 31, 2018 |
| Centos_linux | — | Upgrade glibc-headersUpgrade glibc-develUpgrade glibcUpgrade glibc-debuginfo-commonUpgrade glibc-staticUpgrade nscdUpgrade glibc-utilsUpgrade glibc-commonUpgrade glibc-debuginfo | Aug 28, 2019 | Jan 31, 2018 |
| Debian | — | Upgrade glibc | Jul 30, 2024 | Jan 31, 2018 |
| Gentoo Linux | — | Upgrade sys-libs/glibc. | Apr 5, 2018 | Jan 31, 2018 |
| Huawei Euleros 2_0_sp1 | — | Upgrade glibc-commonUpgrade glibc-headersUpgrade nscdUpgrade glibc-staticUpgrade glibc-utilsUpgrade glibcUpgrade glibc-devel | Feb 13, 2018 | Jan 31, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade nscdUpgrade glibc-staticUpgrade glibcUpgrade glibc-utilsUpgrade glibc-headersUpgrade glibc-commonUpgrade glibc-devel | Feb 13, 2018 | Jan 31, 2018 |
| Oracle_linux | — | Upgrade glibc-staticUpgrade glibc-develUpgrade glibc-utilsUpgrade nscdUpgrade glibcUpgrade glibc-commonUpgrade glibc-headers | Apr 19, 2018 | Jan 11, 2018 |
| Redhat_linux | — | No solution existsUpgrade glibc-develUpgrade glibc-headersUpgrade glibc-commonUpgrade glibc-debuginfo-commonUpgrade glibc-staticUpgrade glibc-debuginfoUpgrade nscdUpgrade glibc-utilsUpgrade glibc | Apr 11, 2018 | Jan 31, 2018 |
| Suse | — | Upgrade glibc-utilsUpgrade glibc-htmlUpgrade nscdUpgrade glibc-locale-32bitUpgrade glibc-localeUpgrade glibc-devel-staticUpgrade glibc-profile-x86Upgrade glibc-32bitUpgrade glibc-i18ndataUpgrade glibc-locale-baseUpgrade glibcUpgrade glibc-x86Upgrade glibc-develUpgrade glibc-devel-32bitUpgrade glibc-profile-32bitUpgrade glibc-locale-base-32bitUpgrade glibc-infoUpgrade glibc-profileUpgrade glibc-langUpgrade glibc-extraUpgrade glibc-locale-x86 | Feb 4, 2018 | Jan 31, 2018 |
| Ubuntu | — | Upgrade libc6Upgrade musl (Ubuntu Pro) | Apr 25, 2018 | Jan 17, 2018 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jan 31, 2018 |
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