CVE-2018-15859 (GCVE-0-2018-15859)

Vulnerability from cvelistv5 – Published: 2018-08-25 21:00 – Updated: 2024-08-05 10:10
VLAI
Summary
Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because lookup failures are mishandled.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
https://security.gentoo.org/glsa/201810-05 vendor-advisoryx_refsource_GENTOO
https://lists.freedesktop.org/archives/wayland-de… x_refsource_MISC
https://usn.ubuntu.com/3786-1/ vendor-advisoryx_refsource_UBUNTU
https://github.com/xkbcommon/libxkbcommon/commit/… x_refsource_MISC
https://usn.ubuntu.com/3786-2/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:2079 vendor-advisoryx_refsource_REDHAT
Date Public
2018-08-25 00:00
Show details on NVD website
To clipboard 

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}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.