The NFSv4 ID mapper (nfsidmap) before 0.17 does not properly handle return values from the getpwnam_r function when performing a username…

Description

The NFSv4 ID mapper (nfsidmap) before 0.17 does not properly handle return values from the getpwnam_r function when performing a username lookup, which can cause it to report a file as being owned by "root" instead of "nobody" if the file exists on the server but not on the client.

Scores

EPSS (exploitation in 30 days)

0.34% · top 72% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.2.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (9)

• 27043 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• oval:org.mitre.oval:def:9864 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• RHSA-2007:0951 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• SUSE-SR:2007:018 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 26767 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• MDKSA-2007:240 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 45825 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• 26674 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• nfsv4-idmapper-uid-unspecified(36396) (opens in a new tab)vdb-entryx_refsource_XFx_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)

Badge for a README or a ticket

[![CVE-2007-4135](https://trackcve.app/badge/CVE-2007-4135.svg)](https://trackcve.app/cve/CVE-2007-4135)

Record last updated 7 Aug 2024, 14:46 UTC.