HIGH
Mozilla: Buffer overflow in XSLT during number formatting
Published Jun 11, 2018
7.5
HIGHCVSS 3.0
EPSS 3.81%
Description
A vulnerability exists in XSLT during number formatting where a negative buffer size may be allocated in some instances, leading to a buffer overflow and crash if it occurs. This vulnerability affects Firefox < 60.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<60
- Version
Configuration 1
OR
- 14.04
- 16.04
- 17.10
- 18.04
No data.
Red Hat Enterprise Linux 6
firefox
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
Red Hat Enterprise Linux 7
firefox
Not affected
Red Hat Enterprise Linux 7
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 7 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 7 | 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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.81% 0.03814
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.03814
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 (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.81% (0.03814) | 89.73th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.86% (0.03863) | 88.78th | v5 (v2026.06.15) |
| Nov 21, 2025 | 0.30% (0.00305) | 53.26th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.60% (0.02597) | 84.30th | v4 (v2025.03.14) |
| Jul 20, 2024 | 1.08% (0.01082) | 84.47th | v3 (v2023.03.01) |
| Jan 29, 2024 | 1.08% (0.01082) | 82.76th | v3 (v2023.03.01) |
| Dec 12, 2023 | 1.53% (0.01527) | 85.58th | v3 (v2023.03.01) |
| Nov 2, 2023 | 2.07% (0.02073) | 87.84th | v3 (v2023.03.01) |
| Sep 20, 2023 | 2.93% (0.02934) | 89.61th | v3 (v2023.03.01) |
| Jul 10, 2023 | 2.94% (0.02942) | 89.43th | v3 (v2023.03.01) |
| Jun 5, 2023 | 4.05% (0.04046) | 90.83th | v3 (v2023.03.01) |
| Apr 17, 2023 | 4.12% (0.04121) | 90.85th | v3 (v2023.03.01) |
| Apr 1, 2023 | 5.72% (0.05722) | 92.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 7.88% (0.07880) | 93.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.25% (0.01247) | 30.57th | v1 |
| Jan 6, 2022 | 1.25% (0.01247) | 29.93th | v1 |
| Sep 1, 2021 | 1.25% (0.01247) | 68.62th | v1 |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
Weaknesses (2)
References (10)
- http://www.securityfocus.com/bid/104139 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040896 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-5177 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1451908 x_refsource_CONFIRMIssue TrackingPermissions RequiredVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1576277 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-5177
- https://usn.ubuntu.com/3645-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-5177
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/#CVE-2018-5177
- https://www.mozilla.org/security/advisories/mfsa2018-11/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104139 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1040896 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-5177 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1451908 | x_refsource_CONFIRMIssue TrackingPermissions RequiredVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1576277 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-5177 | ||
| https://usn.ubuntu.com/3645-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-5177 | ||
| https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/#CVE-2018-5177 | ||
| https://www.mozilla.org/security/advisories/mfsa2018-11/ | 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-2018-5177
CISA Vulnrichment
Updated n/a