High severity7.8NVD Advisory· Published Jan 31, 2018· Updated Jun 17, 2026
CVE-2018-1000001
CVE-2018-1000001
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
21- osv-coords20 versionspkg:rpm/opensuse/glibc&distro=openSUSE%20Tumbleweedpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/glibc&distro=SUSE%20OpenStack%20Cloud%206
< 2.34-1.2+ 19 more
- (no CPE)range: < 2.34-1.2
- (no CPE)range: < 2.22-62.3.4
- (no CPE)range: < 2.22-62.3.4
- (no CPE)range: < 2.11.3-17.110.3.1
- (no CPE)range: < 2.11.3-17.110.3.1
- (no CPE)range: < 2.11.3-17.110.3.1
- (no CPE)range: < 2.11.3-17.110.3.1
- (no CPE)range: < 2.19-40.9.5
- (no CPE)range: < 2.22-62.3.4
- (no CPE)range: < 2.22-62.3.4
- (no CPE)range: < 2.19-22.24.5
- (no CPE)range: < 2.22-62.3.4
- (no CPE)range: < 2.11.3-17.110.3.1
- (no CPE)range: < 2.19-40.9.5
- (no CPE)range: < 2.22-62.3.4
- (no CPE)range: < 2.22-62.3.4
- (no CPE)range: < 2.11.3-17.110.3.1
- (no CPE)range: < 2.22-62.3.4
- (no CPE)range: < 2.22-62.3.4
- (no CPE)range: < 2.19-40.9.5
Patches
Vulnerability mechanics
References
10- www.exploit-db.com/exploits/43775/nvdExploitThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/44889/nvdExploitThird Party AdvisoryVDB Entry
- seclists.org/oss-sec/2018/q1/38nvdMailing ListThird Party Advisory
- www.securityfocus.com/bid/102525nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1040162nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2018:0805nvdThird Party Advisory
- usn.ubuntu.com/3534-1/nvdThird Party Advisory
- usn.ubuntu.com/3536-1/nvdThird Party Advisory
- www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow/nvdThird Party Advisory
- security.netapp.com/advisory/ntap-20190404-0003/nvd
News mentions
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