01 Record

CVE-2016-5296

A heap-buffer-overflow in Cairo when processing SVG content caused by compiler optimization, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 45.5, Firefox ESR <

UnratedPUBLISHEDCNA: mozilla

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

A heap-buffer-overflow in Cairo when processing SVG content caused by compiler optimization, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 45.5, Firefox ESR <

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: 3.46% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 88.2% of scored records. A rank, not a probability.
NVD base score: 7.5 (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:N/I:N/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

2024-08-06 00:53Z2 YR AGO

Reserved

2016-06-03

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

584f6451c9d93a493a36fdad1a9c76d77b772850c5663c2630b1c365e96f4046

05 Affected products

VendorProductVersionsPlatforms

MozillaThunderbird< 45.5—

MozillaFirefox ESR< 45.5—

MozillaFirefox< 50—

06 References

www.debian.orgDSA-3730https://www.debian.org/security/2016/dsa-3730vendor-advisoryx_refsource_DEBIAN
bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1292443x_refsource_CONFIRM
www.securitytracker.com1037298http://www.securitytracker.com/id/1037298vdb-entryx_refsource_SECTRACK
security.gentoo.orgGLSA-201701-15https://security.gentoo.org/glsa/201701-15vendor-advisoryx_refsource_GENTOO
www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2016-93/x_refsource_CONFIRM
rhn.redhat.comRHSA-2016:2780http://rhn.redhat.com/errata/RHSA-2016-2780.htmlvendor-advisoryx_refsource_REDHAT
www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2016-89/x_refsource_CONFIRM
www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2016-90/x_refsource_CONFIRM
www.securityfocus.com94339http://www.securityfocus.com/bid/94339vdb-entryx_refsource_BID

01 Record index

CVE-2016-5296

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2016-5296

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References