CVE-2018-18493 (GCVE-0-2018-18493)

Vulnerability from cvelistv5 – Published: 2019-02-28 18:00 – Updated: 2024-08-05 11:08
VLAI?
Summary
A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
Severity ?
No CVSS data available.
CWE
  • Buffer overflow in accelerated 2D canvas with Skia
Assigner
References
https://www.mozilla.org/security/advisories/mfsa2… x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2018:3833 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:3831 vendor-advisoryx_refsource_REDHAT
https://www.debian.org/security/2019/dsa-4362 vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/201903-04 vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/3844-1/ vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/106168 vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2019:0159 vendor-advisoryx_refsource_REDHAT
https://www.mozilla.org/security/advisories/mfsa2… x_refsource_CONFIRM
https://www.mozilla.org/security/advisories/mfsa2… x_refsource_CONFIRM
https://www.debian.org/security/2018/dsa-4354 vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3868-1/ vendor-advisoryx_refsource_UBUNTU
https://bugzilla.mozilla.org/show_bug.cgi?id=1504452 x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:0160 vendor-advisoryx_refsource_REDHAT
Impacted products
Vendor Product Version
Mozilla Thunderbird Affected: unspecified , < 60.4 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 60.4 (custom)
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    Mozilla Firefox Affected: unspecified , < 64 (custom)
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      "sourceIdentifier": "security@mozilla.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-119\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-18493\",\"sourceIdentifier\":\"security@mozilla.org\",\"published\":\"2019-02-28T18:29:01.507\",\"lastModified\":\"2025-11-25T17:50:16.803\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird \u003c 60.4, Firefox ESR \u003c 60.4, and Firefox \u003c 64.\"},{\"lang\":\"es\",\"value\":\"Puede ocurrir un desbordamiento de b\u00fafer en la librer\u00eda SKIA durante los c\u00e1lculos de un desplazamiento de b\u00fafer con acciones de hardware aceleradas de CANVAS 2D, debido al uso de c\u00e1lculos de 32-bit en vez de 64-bit. Esto resulta en un cierre inesperado potencialmente explotable. 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  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.