CVE-2026-12912

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-06-29. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.3Exploit: NoneExposed: 0

A fix is available — apply it.

A flaw was found in libtiff. A remote attacker could exploit this vulnerability by providing a specially crafted PixarLog-compressed TIFF image. This issue occurs when decoding Pixarlog codec images with the PIXARLOGDATAFMT_8BITABGR output format and a specific stride value, leading to a heap-based buffer overflow. This could potentially result in arbitrary code execution or a denial of service (DoS).

CVSS v3
7.3
EG Score
7.3(high)
EPSS
14.1%
KEV
Not listed

Published

June 29, 2026

Last Modified

July 22, 2026

Advisory Details (4)

Auto-updated Jun 29, 2026
Patch available. Sources: redhat.
generic

Heap buffer-overflow in `PixarLogDecode` with `PIXARLOGDATAFMT_8BITABGR` format (#824) · Issues · libtiff / libtiff · GitLab

https://gitlab.com/libtiff/libtiff/-/work_items/824
generic

pixarlog: fix heap-buffer-overflow in 8BITABGR decode with stride 3 (#824) (!873) · Merge requests · libtiff / libtiff · GitLab

https://gitlab.com/libtiff/libtiff/-/merge_requests/873
redhat

2492871 – (CVE-2026-12912) CVE-2026-12912 libtiff: libtiff: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image

https://bugzilla.redhat.com/show_bug.cgi?id=2492871
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-12912

Vendor Advisories for CVE-2026-12912(4)

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-4.7.1-2.4.hum12026-07-02redhat

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.

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 13× in last 7d / 95× 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.

  1. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:24 UTCEPSS rescore
  3. 2026-07-20 17:08 UTCEPSS rescore
  4. 2026-07-19 14:30 UTCEPSS rescore
  5. 2026-07-19 02:28 UTCEPSS rescore
  6. 2026-07-18 10:04 UTCEPSS rescore
  7. 2026-07-17 03:19 UTCVendor advisory
  8. 2026-07-17 03:19 UTCGHSA enrichment
  9. 2026-07-16 17:02 UTCEPSS rescore
  10. 2026-07-16 16:04 UTCVendor advisory
  11. 2026-07-16 16:04 UTCGHSA enrichment
  12. 2026-07-16 04:50 UTCVendor advisory
  13. 2026-07-16 04:50 UTCGHSA enrichment
  14. 2026-07-15 17:35 UTCVendor advisory
  15. 2026-07-15 17:35 UTCGHSA enrichment
  16. 2026-07-15 16:57 UTCEPSS rescore
  17. 2026-07-15 06:07 UTCVendor advisory
  18. 2026-07-15 06:07 UTCGHSA enrichment
  19. 2026-07-15 02:00 UTCEPSS rescore
  20. 2026-07-14 18:41 UTCVendor advisory
  21. 2026-07-14 18:41 UTCGHSA enrichment
  22. 2026-07-14 07:26 UTCVendor advisory
  23. 2026-07-14 07:26 UTCGHSA enrichment
  24. 2026-07-13 22:30 UTCEPSS rescore
  25. 2026-07-13 20:12 UTCVendor advisory
Show 70 more
  1. 2026-07-13 20:12 UTCGHSA enrichment
  2. 2026-07-13 08:57 UTCVendor advisory
  3. 2026-07-13 08:57 UTCGHSA enrichment
  4. 2026-07-13 06:12 UTCEPSS rescore
  5. 2026-07-12 21:42 UTCVendor advisory
  6. 2026-07-12 21:42 UTCGHSA enrichment
  7. 2026-07-12 10:27 UTCVendor advisory
  8. 2026-07-12 10:27 UTCGHSA enrichment
  9. 2026-07-12 05:46 UTCEPSS rescore
  10. 2026-07-11 23:12 UTCVendor advisory
  11. 2026-07-11 23:12 UTCGHSA enrichment
  12. 2026-07-11 11:58 UTCVendor advisory
  13. 2026-07-11 11:58 UTCGHSA enrichment
  14. 2026-07-11 08:27 UTCEPSS rescore
  15. 2026-07-11 00:44 UTCVendor advisory
  16. 2026-07-11 00:43 UTCGHSA enrichment
  17. 2026-07-10 13:26 UTCVendor advisory
  18. 2026-07-10 13:25 UTCGHSA enrichment
  19. 2026-07-10 02:10 UTCVendor advisory
  20. 2026-07-10 02:10 UTCGHSA enrichment
  21. 2026-07-09 19:10 UTCEPSS rescore
  22. 2026-07-09 14:50 UTCVendor advisory
  23. 2026-07-09 14:50 UTCGHSA enrichment
  24. 2026-07-09 03:34 UTCVendor advisory
  25. 2026-07-09 03:34 UTCGHSA enrichment
  26. 2026-07-08 16:18 UTCVendor advisory
  27. 2026-07-08 16:18 UTCGHSA enrichment
  28. 2026-07-08 15:15 UTCEPSS rescore
  29. 2026-07-08 15:15 UTCEPSS rescore
  30. 2026-07-08 05:04 UTCVendor advisory
  31. 2026-07-08 05:04 UTCGHSA enrichment
  32. 2026-07-07 17:48 UTCVendor advisory
  33. 2026-07-07 17:48 UTCGHSA enrichment
  34. 2026-07-07 13:46 UTCEPSS rescore
  35. 2026-07-07 06:10 UTCVendor advisory
  36. 2026-07-07 06:10 UTCGHSA enrichment
  37. 2026-07-06 18:55 UTCVendor advisory
  38. 2026-07-06 18:55 UTCGHSA enrichment
  39. 2026-07-06 16:27 UTCEPSS rescore
  40. 2026-07-06 07:41 UTCVendor advisory
  41. 2026-07-06 07:40 UTCGHSA enrichment
  42. 2026-07-06 02:23 UTCEPSS rescore
  43. 2026-07-05 20:25 UTCVendor advisory
  44. 2026-07-05 20:25 UTCGHSA enrichment
  45. 2026-07-05 09:11 UTCVendor advisory
  46. 2026-07-05 09:10 UTCGHSA enrichment
  47. 2026-07-05 02:30 UTCEPSS rescore
  48. 2026-07-05 02:30 UTCEPSS rescore
  49. 2026-07-04 21:45 UTCVendor advisory
  50. 2026-07-04 21:45 UTCGHSA enrichment
  51. 2026-07-04 10:31 UTCVendor advisory
  52. 2026-07-04 10:31 UTCGHSA enrichment
  53. 2026-07-04 06:31 UTCEPSS rescore
  54. 2026-07-03 23:15 UTCVendor advisory
  55. 2026-07-03 23:15 UTCGHSA enrichment
  56. 2026-07-03 12:00 UTCVendor advisory
  57. 2026-07-03 12:00 UTCGHSA enrichment
  58. 2026-07-03 00:19 UTCVendor advisory
  59. 2026-07-03 00:19 UTCGHSA enrichment
  60. 2026-07-02 13:05 UTCGHSA enrichment
  61. 2026-07-02 01:48 UTCGHSA enrichment
  62. 2026-07-01 15:06 UTCEPSS rescore
  63. 2026-07-01 15:06 UTCEPSS rescore
  64. 2026-07-01 14:33 UTCGHSA enrichment
  65. 2026-07-01 03:19 UTCGHSA enrichment
  66. 2026-06-30 23:22 UTCEPSS rescore
  67. 2026-06-30 16:04 UTCGHSA enrichment
  68. 2026-06-30 04:50 UTCGHSA enrichment
  69. 2026-06-29 17:19 UTCEG score recompute
  70. 2026-06-29 17:17 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-12912?
CVE-2026-12912 is a high vulnerability published on June 29, 2026. A flaw was found in libtiff. A remote attacker could exploit this vulnerability by providing a specially crafted PixarLog-compressed TIFF image. This issue occurs when decoding Pixarlog codec images with the PIXARLOGDATAFMT_8BITABGR output format and a specific stride value, leading to a heap-based…
When was CVE-2026-12912 disclosed?
CVE-2026-12912 was first published in the National Vulnerability Database on June 29, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12912 actively exploited?
CVE-2026-12912 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12912?
CVE-2026-12912 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-12912?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12912, 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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