CVE-2023-6345

CRITICALNVD 9.69.6—
EchelonGraph scoreHIGH confidence

Score elevated to 9.6 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-11-30), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.6 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.6EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 20%CVSS: 9.6Exploit: cisa kev · ssvc active · epss top5pctExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Integer overflow in Skia in Google Chrome prior to 119.0.6045.199 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

CVSS v3
9.6
EG Score
9.6(high)
EG Risk
98(Act)
EG Risk 98/100SSVC: Act

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
Severity96% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
20%
EPSS %ILE
97%
KEV
⚠ Exploited

Published

November 29, 2023

Last Modified

June 17, 2026

Advisory Details (7)

Auto-updated Jun 1, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

[SECURITY] Fedora 38 Update: chromium-119.0.6045.199-1.fc38 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T7ABNYMOI4ZHVCSPCNP7HQTOLGF53A2/
generic
https://crbug.com/1505053
generic🔴 Active Exploitation

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2023/11/stable-channel-update-for-desktop_28.html
generic

[SECURITY] [DSA 5569-1] chromium security update

https://www.debian.org/security/2023/dsa-5569
generic

Chromium, Google Chrome, Microsoft Edge: Multiple Vulnerabilities (GLSA 202401-34) — Gentoo security

https://security.gentoo.org/glsa/202401-34
generic

[SECURITY] Fedora 39 Update: chromium-119.0.6045.199-1.fc39 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UJROPNKWW65R34J4IYGTJ7A3OBPUL4IQ/
generic

[SECURITY] Fedora 37 Update: chromium-119.0.6045.199-1.fc37 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C7XQNYZZA3X2LBJF57ZHKXWOMJKNLZYR/

Weakness Classification(1)

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

All Vendor Advisories

(1)

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 61× in last 7d / 359× 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 730 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2023-6345?
CVE-2023-6345 is a critical vulnerability published on November 29, 2023. Integer overflow in Skia in Google Chrome prior to 119.0.6045.199 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)
When was CVE-2023-6345 disclosed?
CVE-2023-6345 was first published in the National Vulnerability Database on November 29, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-6345 actively exploited?
Yes. CISA added CVE-2023-6345 to the Known Exploited Vulnerabilities catalog on November 30, 2023, affecting Google Chromium Skia. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-6345?
CVE-2023-6345 has a CVSS v3 base score of 9.6 (NVD).
Which products are affected by CVE-2023-6345?
CVE-2023-6345 affects Google Chromium Skia. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2023-6345?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-6345, 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.

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