CVE-2017-7476
gnulib: Out-of-bounds write by setting a large TZ variable
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Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · April 27, 2017
Updated · May 13, 2026
Description
Gnulib before 2017-04-26 has a heap-based buffer overflow with the TZ environment variable. The error is in the save_abbr function in time_rz.c.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-787 · Out-of-bounds Write