CVE-2017-5439

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

3.57% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 88.6% 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

2018-06-11 21:00Z8 YR AGO

Last updated

2024-08-05 15:04Z2 YR AGO

Reserved

2017-01-13

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

be6750b2a9a9c2d578348250fb463f6641828b24b31f7df4b3b0e947a75cf905

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1336830x_refsource_CONFIRM
• access.redhat.comRHSA-2017:1106https://access.redhat.com/errata/RHSA-2017:1106vendor-advisoryx_refsource_REDHAT
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2017-12/x_refsource_CONFIRM
• www.securityfocus.com103053http://www.securityfocus.com/bid/103053vdb-entryx_refsource_BID
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2017-11/x_refsource_CONFIRM
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2017-10/x_refsource_CONFIRM
• www.securityfocus.com97940http://www.securityfocus.com/bid/97940vdb-entryx_refsource_BID
• www.debian.orgDSA-3831https://www.debian.org/security/2017/dsa-3831vendor-advisoryx_refsource_DEBIAN
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2017-13/x_refsource_CONFIRM
• www.securitytracker.com1038320http://www.securitytracker.com/id/1038320vdb-entryx_refsource_SECTRACK
• access.redhat.comRHSA-2017:1104https://access.redhat.com/errata/RHSA-2017:1104vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2017:1201https://access.redhat.com/errata/RHSA-2017:1201vendor-advisoryx_refsource_REDHAT