9.8crit

CVE-2018-6485

An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and ea…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
4.7%
percentile 92%
Public exploits
0
none known

Summary

An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.

Exploit prediction (EPSS)

4.69% probability of exploitation in the next 30 days, higher than 92% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

  • sourceware.org /bugzilla/show_bug.cgi?id=22343 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/102912 · vdb-entry, x_refsource_BID, x_transferred
  • bugs.debian.org /878159 · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2018:3092 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • security.netapp.com /advisory/ntap-20190404-0003/ · x_refsource_CONFIRM, x_transferred
  • oracle.com /technetwork/security-advisory/cpuapr2019-5072813.html · x_refsource_MISC, x_transferred
  • access.redhat.com /errata/RHBA-2019:0327 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • usn.ubuntu.com /4218-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /4416-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.