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Fencer Intel
high 7.2

CVE-2010-0296 json

The encode_name macro in misc/mntent_r.c in the GNU C Library (aka glibc or libc6) 2.11.1 and earlier, as used by ncpmount and mount.cifs,…

published 2010-06-01 16 y ago modified 2026-06-16 4 mo ago also EUVD-2010-0327

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

The encode_name macro in misc/mntent_r.c in the GNU C Library (aka glibc or libc6) 2.11.1 and earlier, as used by ncpmount and mount.cifs, does not properly handle newline characters in mountpoint names, which allows local users to cause a denial of service (mtab corruption), or possibly modify mount options and gain privileges, via a crafted mount request.

Patch / fix

  • glibc Debian 14, Debian 13, Debian 12 2.11-1

debian advisories DEBIAN-CVE-2010-0296

  • glibc RHEL 4 2.3.4-2.57
  • nscd RHEL 4 2.3.4-2.57
  • glibc-utils RHEL 4 2.3.4-2.57
  • glibc-common RHEL 4 2.3.4-2.57
  • glibc-profile RHEL 4 2.3.4-2.57
  • glibc-debuginfo-common RHEL 4 2.3.4-2.57
  • glibc RHEL 5 2.5-58.el5_6.2
  • nscd RHEL 5 2.5-58.el5_6.2

red hat advisories RHSA-2012:0125RHSA-2011:0412

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-0296 updated cvss 4.3

glibc: Improper encoding of names with certain special character in utilities for writing to mtab table

  • Red Hat Enterprise Linux (v. 5.6.z server) nscd 2.5-58.el5_6.2, glibc 2.5-58.el5_6.2, glibc-utils 2.5-58.el5_6.2, glibc-common 2.5-58.el5_6.2, glibc-debuginfo-common 2.5-58.el5_6.2
    fixed: vendor fix RHSA-2011:0412
  • Red Hat Enterprise Linux AS version 4 nscd 2.3.4-2.57, glibc 2.3.4-2.57, glibc-utils 2.3.4-2.57, glibc-common 2.3.4-2.57, glibc-profile 2.3.4-2.57, glibc-debuginfo-common 2.3.4-2.57 Red Hat Enterprise Linux Desktop version 4 nscd 2.3.4-2.57, glibc 2.3.4-2.57, glibc-utils 2.3.4-2.57, glibc-common 2.3.4-2.57, glibc-profile 2.3.4-2.57, glibc-debuginfo-common 2.3.4-2.57 Red Hat Enterprise Linux ES version 4 nscd 2.3.4-2.57, glibc 2.3.4-2.57, glibc-utils 2.3.4-2.57, glibc-common 2.3.4-2.57, glibc-profile 2.3.4-2.57, glibc-debuginfo-common 2.3.4-2.57 Red Hat Enterprise Linux WS version 4 nscd 2.3.4-2.57, glibc 2.3.4-2.57, glibc-utils 2.3.4-2.57, glibc-common 2.3.4-2.57, glibc-profile 2.3.4-2.57, glibc-debuginfo-common 2.3.4-2.57
    fixed: vendor fix RHSA-2012:0125
  • Red Hat Enterprise Linux 6 nscd, glibc, glibc-utils, glibc-common
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.