01 Record

CVE-2017-5400

JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Firefox < 52, Firefox

UnratedPUBLISHEDCNA: mozilla

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Firefox < 52, Firefox

03 Exploitation and scoring

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: 3.58% 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: Critical. 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.

04 Metadata

Published

2018-06-11 21:00Z8 YR AGO

Last updated

2024-08-05 14:55Z2 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-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

09ba02e628dfc9cdff53ddc490c4389b40cd809108814d8b98c2092d0d3c1c03

05 Affected products

VendorProductVersionsPlatforms

MozillaFirefox< 52—

MozillaFirefox ESR< 45.8—

MozillaThunderbird< 52, < 45.8—

06 References

www.securityfocus.com96654http://www.securityfocus.com/bid/96654vdb-entryx_refsource_BID
rhn.redhat.comRHSA-2017:0459http://rhn.redhat.com/errata/RHSA-2017-0459.htmlvendor-advisoryx_refsource_REDHAT
www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2017-09/x_refsource_CONFIRM
www.debian.orgDSA-3832https://www.debian.org/security/2017/dsa-3832vendor-advisoryx_refsource_DEBIAN
www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2017-07/x_refsource_CONFIRM
www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2017-05/x_refsource_CONFIRM
www.securitytracker.com1037966http://www.securitytracker.com/id/1037966vdb-entryx_refsource_SECTRACK
security.gentoo.orgGLSA-201705-06https://security.gentoo.org/glsa/201705-06vendor-advisoryx_refsource_GENTOO
rhn.redhat.comRHSA-2017:0461http://rhn.redhat.com/errata/RHSA-2017-0461.htmlvendor-advisoryx_refsource_REDHAT
www.debian.orgDSA-3805https://www.debian.org/security/2017/dsa-3805vendor-advisoryx_refsource_DEBIAN
www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2017-06/x_refsource_CONFIRM
rhn.redhat.comRHSA-2017:0498http://rhn.redhat.com/errata/RHSA-2017-0498.htmlvendor-advisoryx_refsource_REDHAT
security.gentoo.orgGLSA-201705-07https://security.gentoo.org/glsa/201705-07vendor-advisoryx_refsource_GENTOO
bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1334933x_refsource_CONFIRM

01 Record index

CVE-2017-5400

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2017-5400

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References