CVE-2018-5158

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 10.6%, top 5% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 12%CVSS: 8.8Exploit: Elevated riskExposed: 0

A fix is available — apply it.

The PDF viewer does not sufficiently sanitize PostScript calculator functions, allowing malicious JavaScript to be injected through a crafted PDF file. This JavaScript can then be run with the permissions of the PDF viewer by its worker. This vulnerability affects Firefox ESR < 52.8 and Firefox < 60.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
12%
EPSS %ILE
96%
KEV
Not listed

Published

June 11, 2018

Last Modified

November 25, 2025

Advisory Details (9)

Auto-updated Aug 17, 2026
🔬 Proof of concept available. Patch available. Sources: redhat.
generic

Security vulnerabilities fixed in Firefox 60 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2018-11/
generic

[SECURITY] [DSA 4199-1] firefox-esr security update

https://www.debian.org/security/2018/dsa-4199
generic

Mozilla Firefox: Multiple vulnerabilities (GLSA 201810-01) — Gentoo security

https://security.gentoo.org/glsa/201810-01
generic Patch Available

[SECURITY] [DLA 1376-1] firefox-esr security update

https://lists.debian.org/debian-lts-announce/2018/05/msg00007.html
generic🟡 PoC Available

1452075 - (CVE-2018-5158) PDF Viewer will run code from PDF files, missing validation for /Domain and /Range parameters

https://bugzilla.mozilla.org/show_bug.cgi?id=1452075
redhat Patch Available

Affected: Red Hat Enterprise Linux 7.

https://access.redhat.com/errata/RHSA-2018:1415
redhat Patch Available

Affected: Red Hat Enterprise Linux 6.

https://access.redhat.com/errata/RHSA-2018:1414
generic
http://www.securitytracker.com/id/1040896
generic

SecurityFocus

http://www.securityfocus.com/bid/104136

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntufirefox-testsuite (60.0+build2-0ubuntu1) @ bionic2026-05-28ubuntu
redhatfirefox-0:52.8.0-1.el6_92018-05-14redhat
redhatfirefox-0:52.8.0-1.el7_52018-05-14redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(8 across 8 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
firefox-esr—52.8.0esr-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
firefox-esr—52.8.0esr-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
firefox-esr—52.8.0esr-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
firefox-esr—52.8.0esr-1—
Debian:7(1)
PackageVulnerable rangeFixed inDependents
firefox-esr45.0.1esr-1 ... 52.7.3esr-1~deb9u1 (89 versions)52.8.0esr-1~deb7u1—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
firefox-esr45.0.1esr-1 ... 52.8.0esr-1~deb7u1 (90 versions)52.8.0esr-1~deb8u1—
Debian:9(1)
PackageVulnerable rangeFixed inDependents
firefox-esr45.9.0esr-1 ... 52.8.0esr-1~deb8u1 (53 versions)52.8.0esr-1~deb9u1—
npm(1)
PackageVulnerable rangeFixed inDependents
pdfjs-dist—1.10.100—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(3)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 6× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 123 total refreshes for this CVE.

  1. 2026-08-28 21:36 UTCEPSS rescore
  2. 2026-08-27 14:21 UTCEPSS rescore
  3. 2026-08-26 14:42 UTCEPSS rescore
  4. 2026-08-25 13:45 UTCEPSS rescore
  5. 2026-08-24 14:11 UTCEPSS rescore
  6. 2026-08-22 15:07 UTCOSV refresh
  7. 2026-08-21 23:45 UTCEPSS rescore
  8. 2026-08-20 22:51 UTCEPSS rescore
  9. 2026-08-19 17:00 UTCEPSS rescore
  10. 2026-08-18 13:44 UTCEPSS rescore
  11. 2026-08-16 14:52 UTCEPSS rescore
  12. 2026-08-16 02:10 UTCEPSS rescore
  13. 2026-08-15 01:26 UTCEPSS rescore
  14. 2026-08-13 21:56 UTCEPSS rescore
  15. 2026-08-12 13:47 UTCEPSS rescore
  16. 2026-08-08 16:32 UTCEPSS rescore
  17. 2026-08-07 16:23 UTCEPSS rescore
  18. 2026-08-06 19:05 UTCOSV refresh
  19. 2026-08-06 13:42 UTCEPSS rescore
  20. 2026-08-04 15:05 UTCEPSS rescore
  21. 2026-08-04 10:33 UTCEPSS rescore
  22. 2026-08-02 02:23 UTCEPSS rescore
  23. 2026-08-01 04:12 UTCEPSS rescore
  24. 2026-07-30 16:24 UTCEPSS rescore
  25. 2026-07-30 01:27 UTCEPSS rescore
Show 75 more
  1. 2026-07-28 15:32 UTCEPSS rescore
  2. 2026-07-27 14:05 UTCEPSS rescore
  3. 2026-07-26 14:51 UTCEPSS rescore
  4. 2026-07-25 14:14 UTCEPSS rescore
  5. 2026-07-25 14:14 UTCEPSS rescore
  6. 2026-07-24 14:14 UTCEPSS rescore
  7. 2026-07-24 14:14 UTCEPSS rescore
  8. 2026-07-23 14:15 UTCEPSS rescore
  9. 2026-07-23 14:15 UTCEPSS rescore
  10. 2026-07-23 01:36 UTCEG score recompute
  11. 2026-07-22 22:16 UTCEG score recompute
  12. 2026-07-22 14:05 UTCEPSS rescore
  13. 2026-07-21 15:22 UTCEPSS rescore
  14. 2026-07-21 11:17 UTCOSV refresh
  15. 2026-07-20 17:04 UTCEPSS rescore
  16. 2026-07-20 17:04 UTCEPSS rescore
  17. 2026-07-19 14:28 UTCEPSS rescore
  18. 2026-07-19 14:28 UTCEPSS rescore
  19. 2026-07-19 02:26 UTCEPSS rescore
  20. 2026-07-19 02:26 UTCEPSS rescore
  21. 2026-07-16 16:59 UTCEPSS rescore
  22. 2026-07-16 16:59 UTCEPSS rescore
  23. 2026-07-15 16:55 UTCEPSS rescore
  24. 2026-07-15 01:56 UTCEPSS rescore
  25. 2026-07-13 22:27 UTCEPSS rescore
  26. 2026-07-12 05:43 UTCEPSS rescore
  27. 2026-07-09 19:06 UTCEPSS rescore
  28. 2026-07-08 15:11 UTCEPSS rescore
  29. 2026-07-08 15:11 UTCEPSS rescore
  30. 2026-07-07 13:42 UTCEPSS rescore
  31. 2026-07-07 13:42 UTCEPSS rescore
  32. 2026-07-06 16:25 UTCEPSS rescore
  33. 2026-07-06 16:24 UTCEPSS rescore
  34. 2026-07-05 02:27 UTCEPSS rescore
  35. 2026-07-04 06:28 UTCEPSS rescore
  36. 2026-07-04 06:28 UTCEPSS rescore
  37. 2026-07-04 06:26 UTCOSV refresh
  38. 2026-07-01 15:03 UTCEPSS rescore
  39. 2026-07-01 15:03 UTCEPSS rescore
  40. 2026-06-30 23:20 UTCEPSS rescore
  41. 2026-06-30 23:20 UTCEPSS rescore
  42. 2026-06-28 14:04 UTCEPSS rescore
  43. 2026-06-28 04:53 UTCEPSS rescore
  44. 2026-06-28 04:53 UTCEPSS rescore
  45. 2026-06-27 03:06 UTCEPSS rescore
  46. 2026-06-27 03:06 UTCEPSS rescore
  47. 2026-06-25 13:47 UTCEPSS rescore
  48. 2026-06-25 13:47 UTCEPSS rescore
  49. 2026-06-24 14:02 UTCEPSS rescore
  50. 2026-06-24 14:02 UTCEPSS rescore
  51. 2026-06-23 21:30 UTCEPSS rescore
  52. 2026-06-23 21:30 UTCEPSS rescore
  53. 2026-06-22 14:23 UTCEPSS rescore
  54. 2026-06-22 14:23 UTCEPSS rescore
  55. 2026-06-21 01:57 UTCEPSS rescore
  56. 2026-06-21 01:57 UTCEPSS rescore
  57. 2026-06-19 19:23 UTCEPSS rescore
  58. 2026-06-19 19:23 UTCEPSS rescore
  59. 2026-06-18 17:50 UTCEPSS rescore
  60. 2026-06-18 17:50 UTCEPSS rescore
  61. 2026-06-17 17:50 UTCEPSS rescore
  62. 2026-06-16 17:50 UTCEPSS rescore
  63. 2026-06-16 17:50 UTCEPSS rescore
  64. 2026-06-15 18:13 UTCOSV refresh
  65. 2026-06-15 17:45 UTCEPSS rescore
  66. 2026-06-13 22:58 UTCEPSS rescore
  67. 2026-06-12 23:09 UTCEPSS rescore
  68. 2026-06-12 23:09 UTCEPSS rescore
  69. 2026-06-11 13:57 UTCEPSS rescore
  70. 2026-06-10 22:16 UTCEPSS rescore
  71. 2026-06-10 13:19 UTCEPSS rescore
  72. 2026-06-08 14:14 UTCEPSS rescore
  73. 2026-06-07 15:22 UTCEPSS rescore
  74. 2026-06-07 15:22 UTCEPSS rescore
  75. 2026-06-06 13:45 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2018-5158?
CVE-2018-5158 is a high vulnerability published on June 11, 2018. The PDF viewer does not sufficiently sanitize PostScript calculator functions, allowing malicious JavaScript to be injected through a crafted PDF file. This JavaScript can then be run with the permissions of the PDF viewer by its worker. This vulnerability affects Firefox ESR < 52.8 and Firefox <…
When was CVE-2018-5158 disclosed?
CVE-2018-5158 was first published in the National Vulnerability Database on June 11, 2018, with the most recent update on November 25, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-5158 actively exploited?
CVE-2018-5158 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12% probability of exploitation in the next 30 days, which ranks it in the top 4.0% of all scored CVEs.
What is the CVSS score of CVE-2018-5158?
CVE-2018-5158 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2018-5158?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-5158, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-5158

Explore →

Is Your Infrastructure Affected by CVE-2018-5158?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs