vulnwire
9.8crit

CVE-2018-5095

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 8 GB of RAM.

Published 8 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
4.1%
percentile 91%
Public exploits
0
none known

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 8 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

Exploit prediction (EPSS)

4.13% probability of exploitation in the next 30 days, higher than 91% 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

Affected products

  • Mozilla Thunderbird
  • Mozilla Firefox ESR
  • Mozilla Firefox

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound
  • CWE-908 Use of Uninitialized Resource

References

  • mozilla.org /security/advisories/mfsa2018-03/ · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1040270 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • lists.debian.org /debian-lts-announce/2018/01/msg00036.html · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/102783 · vdb-entry, x_refsource_BID, x_transferred
  • debian.org /security/2018/dsa-4096 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • access.redhat.com /errata/RHSA-2018:0262 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • usn.ubuntu.com /3544-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • mozilla.org /security/advisories/mfsa2018-04/ · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2018:0122 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • mozilla.org /security/advisories/mfsa2018-02/ · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2018/01/msg00030.html · mailing-list, x_refsource_MLIST, x_transferred
  • debian.org /security/2018/dsa-4102 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1418447 · x_refsource_CONFIRM, 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.