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CVE-2015-8777
The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a…
Medium5.5EPSS 0.57%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LD_POINTER_GUARD environment variable.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.57% · top 53% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (15)
- SUSE-SU-2016:0471 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2017:1916 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SU-2016:0470 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-2985-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [oss-security] 20160119 Re: CVE assignment request for security bugs fixed in glibc 2.23 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- GLSA-201702-11 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- SUSE-SU-2016:0472 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2016:0473 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 81469 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://sourceware.org/bugzilla/show_bug.cgi?id=18928 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2016-0480defc94 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- DSA-3480 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-2985-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 1034811 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2015-8777)Record last updated .