CVE-2018-18498

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

4.03% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 90.1% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-02-28 18:00Z7 YR AGO

Last updated

2024-08-05 11:08Z2 YR AGO

Reserved

2018-10-19

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-190Integer Overflow or WraparoundBase
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

7d79d61ff99dbae2d01cd979517ab126b1d7b1e9c1b1c276b299e962394d4edf

• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-29/x_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20181213 [SECURITY] [DLA 1605-1] firefox-esr security updatehttps://lists.debian.org/debian-lts-announce/2018/12/msg00002.htmlmailing-listx_refsource_MLIST
• access.redhat.comRHSA-2018:3833https://access.redhat.com/errata/RHSA-2018:3833vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2018:3831https://access.redhat.com/errata/RHSA-2018:3831vendor-advisoryx_refsource_REDHAT
• www.debian.orgDSA-4362https://www.debian.org/security/2019/dsa-4362vendor-advisoryx_refsource_DEBIAN
• security.gentoo.orgGLSA-201903-04https://security.gentoo.org/glsa/201903-04vendor-advisoryx_refsource_GENTOO
• usn.ubuntu.comUSN-3844-1https://usn.ubuntu.com/3844-1/vendor-advisoryx_refsource_UBUNTU
• www.securityfocus.com106168http://www.securityfocus.com/bid/106168vdb-entryx_refsource_BID
• access.redhat.comRHSA-2019:0159https://access.redhat.com/errata/RHSA-2019:0159vendor-advisoryx_refsource_REDHAT
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-31/x_refsource_CONFIRM
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-30/x_refsource_CONFIRM
• www.debian.orgDSA-4354https://www.debian.org/security/2018/dsa-4354vendor-advisoryx_refsource_DEBIAN
• usn.ubuntu.comUSN-3868-1https://usn.ubuntu.com/3868-1/vendor-advisoryx_refsource_UBUNTU
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1500011x_refsource_CONFIRM
• access.redhat.comRHSA-2019:0160https://access.redhat.com/errata/RHSA-2019:0160vendor-advisoryx_refsource_REDHAT