CVE-2026-52492

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-24. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

A fix is available — apply it.

An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image

CVSS v3
7.8
EG Score
7.8(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

August 24, 2026

Last Modified

September 9, 2026

Advisory Details (2)

Auto-updated Aug 27, 2026
No patch confirmed yet.
generic

CVE-2026-52492.txt · GitHub

https://gist.github.com/okyfh/fbc5a37cade358361d80f6a498560cfa
generic

Add -Wconversion to extra-warnings (94affc5c) · Commits · libtiff / libtiff · GitLab

https://gitlab.com/libtiff/libtiff/-/commit/94affc5cf54111312f9891eb77accb93eebc28d7

Vendor Advisories for CVE-2026-52492(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatlibtiff-main-4.7.2-2.hum12026-08-11redhat

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

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
tiff4.5.0-6 ... 4.7.2-1 (23 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
tiff4.7.0-3 ... 4.7.2-1 (10 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
tiff4.7.0-3 ... 4.7.2-1 (7 versions)——

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 39× in last 7d / 142× 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 142 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-52492?
CVE-2026-52492 is a high vulnerability published on August 24, 2026. An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image
When was CVE-2026-52492 disclosed?
CVE-2026-52492 was first published in the National Vulnerability Database on August 24, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-52492 actively exploited?
CVE-2026-52492 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 97.0% of all scored CVEs.
What is the CVSS score of CVE-2026-52492?
CVE-2026-52492 has a CVSS v3.1 base score of 7.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-52492?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-52492, 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-2026-52492

Explore →

Is Your Infrastructure Affected by CVE-2026-52492?

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

Start Free Scan →Browse All CVEs