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Vulnerability details: VCID-9j4t-usuq-4kb7
Vulnerability ID VCID-9j4t-usuq-4kb7
Aliases CVE-2018-18498
Summary A potential vulnerability leading to an integer overflow can occur during buffer size calculations for images when a raw value is used instead of the checked value. This leads to a possible out-of-bounds write.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-787 Out-of-bounds Write
CWE-190 Integer Overflow or Wraparound
System Score Found at
cvssv3 9.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18498.json
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
epss 0.02064 https://api.first.org/data/v1/epss?cve=CVE-2018-18498
cvssv3 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-18498
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2018-18498
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-29
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-30
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-31
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2018:3831
https://access.redhat.com/errata/RHSA-2018:3833
https://access.redhat.com/errata/RHSA-2019:0159
https://access.redhat.com/errata/RHSA-2019:0160
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18498.json
https://api.first.org/data/v1/epss?cve=CVE-2018-18498
https://bugzilla.mozilla.org/show_bug.cgi?id=1500011
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12405
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17466
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18492
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18493
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18494
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18498
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2018/12/msg00002.html
https://security.gentoo.org/glsa/201903-04
https://www.debian.org/security/2018/dsa-4354
https://www.debian.org/security/2019/dsa-4362
https://www.mozilla.org/security/advisories/mfsa2018-29/
https://www.mozilla.org/security/advisories/mfsa2018-30/
https://www.mozilla.org/security/advisories/mfsa2018-31/
http://www.securityfocus.com/bid/106168
1658402 https://bugzilla.redhat.com/show_bug.cgi?id=1658402
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CVE-2018-18498 https://nvd.nist.gov/vuln/detail/CVE-2018-18498
mfsa2018-29 https://www.mozilla.org/en-US/security/advisories/mfsa2018-29
mfsa2018-30 https://www.mozilla.org/en-US/security/advisories/mfsa2018-30
mfsa2018-31 https://www.mozilla.org/en-US/security/advisories/mfsa2018-31
USN-3844-1 https://usn.ubuntu.com/3844-1/
USN-3868-1 https://usn.ubuntu.com/3868-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18498.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18498
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18498
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.83173
EPSS Score 0.02064
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:51.298211+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2018/mfsa2018-30.yml 37.0.0