Out-of-bounds Write Affecting gnulib package, versions <20140202+stable-2+deb9u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.77% (82nd percentile)

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  • Snyk IDSNYK-DEBIAN9-GNULIB-265122
  • published3 Oct 2018
  • disclosed3 Oct 2018

Introduced: 3 Oct 2018

CVE-2018-17942  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:9 gnulib to version 20140202+stable-2+deb9u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnulib package and not the gnulib package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.