CRITICAL
Mozilla: Integer overflow and out-of-bounds write in Skia
Published Jun 11, 2018
9.8
CRITICALCVSS 3.0
EPSS 21.04%
Description
An integer overflow can occur in the Skia library due to 32-bit integer use in an array without integer overflow checks, resulting in possible out-of-bounds writes. This could lead to a potentially exploitable crash triggerable by web content. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<60
- Version
-
- Version unspecifiedStatusaffectedConstraints<52.8
- Version
-
- Version unspecifiedStatusaffectedConstraints<52.8
- Version
-
- Version unspecifiedStatusaffectedConstraints<52.8
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | n/a |
| ||||||
| Mozilla | Firefox ESR | n/a |
| ||||||
| Mozilla | Thunderbird | n/a |
| ||||||
| Mozilla | Thunderbird ESR | n/a |
|
Configuration 1
OR
- 7.0
- 8.0
- 9.0
Configuration 2
OR
- 6.0
- 7.0
- 6.0
- 7.0
- 7.6
- 7.5
- 7.6
- 7.6
- 6.0
- 7.0
Configuration 3
OR
- < 52.8.0
- < 60.0
- < 52.8.0
- < 52.8.0
Configuration 4
OR
- 14.04
- 16.04
- 17.10
- 18.04
No data.
Red Hat Enterprise Linux 6
firefox-0:52.8.0-1.el6_9
Fixed · RHSA-2018:1414
Red Hat Enterprise Linux 6
thunderbird-0:52.8.0-2.el6_9
Fixed · RHSA-2018:1726
Red Hat Enterprise Linux 7
firefox-0:52.8.0-1.el7_5
Fixed · RHSA-2018:1415
Red Hat Enterprise Linux 7
thunderbird-0:52.8.0-1.el7_5
Fixed · RHSA-2018:1725
Red Hat Enterprise Linux 8
firefox
Not affected
Red Hat Enterprise Linux 8
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | firefox-0:52.8.0-1.el6_9 | Fixed | RHSA-2018:1414 |
| Red Hat Enterprise Linux 6 | thunderbird-0:52.8.0-2.el6_9 | Fixed | RHSA-2018:1726 |
| Red Hat Enterprise Linux 7 | firefox-0:52.8.0-1.el7_5 | Fixed | RHSA-2018:1415 |
| Red Hat Enterprise Linux 7 | thunderbird-0:52.8.0-1.el7_5 | Fixed | RHSA-2018:1725 |
| Red Hat Enterprise Linux 8 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 8 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
21.04% 0.21036
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.21036
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (41 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 21.04% (0.21036) | 97.51th | v5 (v2026.06.15) |
| Sep 22, 2026 | 21.04% (0.21036) | 97.47th | v5 (v2026.06.15) |
| Sep 21, 2026 | 14.47% (0.14473) | 96.53th | v5 (v2026.06.15) |
| Sep 6, 2026 | 21.04% (0.21036) | 97.41th | v5 (v2026.06.15) |
| Sep 5, 2026 | 14.47% (0.14473) | 96.45th | v5 (v2026.06.15) |
| Aug 30, 2026 | 21.04% (0.21036) | 97.40th | v5 (v2026.06.15) |
| Aug 28, 2026 | 14.47% (0.14473) | 96.42th | v5 (v2026.06.15) |
| Aug 24, 2026 | 21.04% (0.21036) | 97.38th | v5 (v2026.06.15) |
| Aug 23, 2026 | 14.47% (0.14473) | 96.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 21.29% (0.21288) | 97.27th | v5 (v2026.06.15) |
| Dec 28, 2025 | 37.56% (0.37556) | 97.05th | v4 (v2025.03.14) |
| Dec 27, 2025 | 30.93% (0.30932) | 96.59th | v4 (v2025.03.14) |
| Dec 26, 2025 | 37.56% (0.37556) | 97.05th | v4 (v2025.03.14) |
| Nov 21, 2025 | 38.66% (0.38662) | 97.08th | v4 (v2025.03.14) |
| Nov 18, 2025 | 34.45% (0.34452) | 96.76th | v4 (v2025.03.14) |
| Oct 28, 2025 | 40.64% (0.40642) | 97.19th | v4 (v2025.03.14) |
| Oct 27, 2025 | 33.84% (0.33836) | 96.77th | v4 (v2025.03.14) |
| Oct 1, 2025 | 40.64% (0.40642) | 97.29th | v4 (v2025.03.14) |
| Sep 8, 2025 | 33.84% (0.33836) | 96.82th | v4 (v2025.03.14) |
| Mar 30, 2025 | 39.16% (0.39159) | 96.98th | v4 (v2025.03.14) |
| Mar 29, 2025 | 63.34% (0.63345) | 97.74th | v4 (v2025.03.14) |
| Mar 17, 2025 | 39.57% (0.39570) | 96.97th | v4 (v2025.03.14) |
| Dec 17, 2024 | 32.92% (0.32920) | 97.05th | v3 (v2023.03.01) |
| Dec 12, 2024 | 12.29% (0.12289) | 95.64th | v3 (v2023.03.01) |
| Nov 2, 2023 | 12.22% (0.12219) | 94.78th | v3 (v2023.03.01) |
| Jul 29, 2023 | 14.16% (0.14158) | 94.95th | v3 (v2023.03.01) |
| Jul 10, 2023 | 9.28% (0.09279) | 93.85th | v3 (v2023.03.01) |
| Jul 8, 2023 | 6.90% (0.06903) | 92.97th | v3 (v2023.03.01) |
| Jun 23, 2023 | 9.04% (0.09040) | 93.75th | v3 (v2023.03.01) |
| Jun 5, 2023 | 8.28% (0.08281) | 93.43th | v3 (v2023.03.01) |
| May 21, 2023 | 7.89% (0.07892) | 93.28th | v3 (v2023.03.01) |
| May 8, 2023 | 10.75% (0.10754) | 94.17th | v3 (v2023.03.01) |
| May 3, 2023 | 8.26% (0.08257) | 93.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 11.43% (0.11435) | 94.29th | v3 (v2023.03.01) |
| Mar 6, 2023 | 18.33% (0.18327) | 96.32th | v2 (v2022.01.01) |
| Apr 1, 2022 | 18.33% (0.18327) | 95.99th | v2 (v2022.01.01) |
| Feb 4, 2022 | 18.33% (0.18327) | 93.57th | v2 (v2022.01.01) |
| Feb 3, 2022 | 16.84% (0.16839) | 90.29th | v1 |
| Jan 6, 2022 | 16.84% (0.16839) | 90.18th | v1 |
| Sep 1, 2021 | 16.84% (0.16839) | 97.37th | v1 |
| Apr 14, 2021 | 16.84% (0.16839) | 0.00th | v1 |
Weaknesses (2)
References (24)
- http://www.securityfocus.com/bid/104136 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040896 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:1414 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1415 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1725 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1726 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-5159 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1441941 x_refsource_CONFIRMIssue TrackingPermissions RequiredThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1576260 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/05/msg00007.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00013.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-5159
- https://security.gentoo.org/glsa/201810-01 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://security.gentoo.org/glsa/201811-13 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://usn.ubuntu.com/3645-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3660-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-5159
- https://www.debian.org/security/2018/dsa-4199 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.debian.org/security/2018/dsa-4209 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.exploit-db.com/exploits/44759/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-12/#CVE-2018-5159
- https://www.mozilla.org/security/advisories/mfsa2018-11/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-12/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-13/ x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mozilla
Published Jun 11, 2018
Updated Aug 5, 2024
Reserved Jan 3, 2018
Link CVE-2018-5159
CISA Vulnrichment
Updated n/a