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CVE-2016-5296

A heap-buffer-overflow in Cairo when processing SVG content caused by compiler optimization, resulting in a potentially exploitable crash.…

High7.5EPSS 3.4%
Published
Updated
Reserved
Assigned by
mozilla

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 < 45.5, and Firefox < 50.

Scores

CVSS scores of CVE-2016-5296, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
3.4% · top 11% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

Affected products

  • Mozilla · Thunderbird

    • affected unspecified – < 45.5

  • Mozilla · Firefox ESR

    • affected unspecified – < 45.5

  • Mozilla · Firefox

    • affected unspecified – < 50

References (9)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .