CVE-2012-3425

MEDIUMCVSS v2 · 4.34.3—
EchelonGraph scoreLOW confidence

This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 4.3 — v2 rates that MEDIUM (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:N/AC:M/Au:N/C:N/I:N/A:P. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 3.4% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.

Sources: epss, nvd_v2
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS v2: 4.3Exploit: None knownExposed: 0

A fix is available — apply it.

The png_push_read_zTXt function in pngpread.c in libpng 1.0.x before 1.0.58, 1.2.x before 1.2.48, 1.4.x before 1.4.10, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (out-of-bounds read) via a large avail_in field value in a PNG image.

CVSS v2.0 (legacy)
4.3MEDIUMNVD never assigned a CVSS v3 rating to this CVE
EG Score
4.3(low)
EG Risk
25(Track)
EG Risk 25/100SSVC: 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
Severity43% × 45%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
88%
KEV
Not listed

Published

August 13, 2012

Last Modified

April 29, 2026

References (18)

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibpng12-0 (1.2.51-0ubuntu3.15.10.1) @ wily2026-05-29ubuntu

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

(1 across 1 ecosystem)
Debian:6.0(1)
PackageVulnerable rangeFixed inDependents
libpng1.2.44-1 ... 1.2.44-1+squeeze5 (6 versions)1.2.44-1+squeeze6—

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 4× in last 7d / 15× 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. 2026-08-27 14:20 UTCEPSS rescore
  2. 2026-08-26 14:40 UTCEPSS rescore
  3. 2026-08-23 00:12 UTCEPSS rescore
  4. 2026-08-21 23:43 UTCEPSS rescore
  5. 2026-08-19 16:59 UTCEPSS rescore
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  7. 2026-08-16 02:09 UTCEPSS rescore
  8. 2026-08-15 01:25 UTCEPSS rescore
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  11. 2026-08-07 16:21 UTCEPSS rescore
  12. 2026-08-06 13:41 UTCEPSS rescore
  13. 2026-08-05 19:12 UTCEPSS rescore
  14. 2026-08-04 15:04 UTCEPSS rescore
  15. 2026-07-30 01:26 UTCEPSS rescore
  16. 2026-07-28 15:31 UTCEPSS rescore
  17. 2026-07-26 13:46 UTCEG score recompute▲ 4.30
  18. 2026-07-25 14:12 UTCEPSS rescore
  19. 2026-07-23 14:14 UTCEPSS rescore
  20. 2026-07-23 01:07 UTCEG score recompute
  21. 2026-07-23 00:11 UTCEG score recompute
  22. 2026-07-22 21:49 UTCEG score recompute
  23. 2026-07-22 14:04 UTCEPSS rescore
  24. 2026-07-22 14:04 UTCEPSS rescore
  25. 2026-07-21 15:21 UTCEPSS rescore
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  1. 2026-07-20 17:03 UTCEPSS rescore
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  3. 2026-07-19 14:27 UTCEPSS rescore
  4. 2026-07-19 02:25 UTCEPSS rescore
  5. 2026-07-18 10:00 UTCEPSS rescore
  6. 2026-07-16 16:58 UTCEPSS rescore
  7. 2026-07-15 16:54 UTCEPSS rescore
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  9. 2026-07-15 01:56 UTCEPSS rescore
  10. 2026-07-13 22:25 UTCEPSS rescore
  11. 2026-07-13 06:08 UTCEPSS rescore
  12. 2026-07-11 08:22 UTCEPSS rescore
  13. 2026-07-09 19:05 UTCEPSS rescore
  14. 2026-07-08 15:10 UTCEPSS rescore
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  16. 2026-07-06 16:23 UTCEPSS rescore
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  19. 2026-07-05 02:26 UTCEPSS rescore
  20. 2026-07-04 06:27 UTCEPSS rescore
  21. 2026-07-02 14:01 UTCEPSS rescore
  22. 2026-07-01 15:02 UTCEPSS rescore
  23. 2026-06-30 23:19 UTCEPSS rescore
  24. 2026-06-30 23:19 UTCEPSS rescore
  25. 2026-06-29 14:02 UTCEPSS rescore
  26. 2026-06-28 14:03 UTCEPSS rescore
  27. 2026-06-28 04:53 UTCEPSS rescore
  28. 2026-06-28 04:53 UTCEPSS rescore
  29. 2026-06-27 03:05 UTCEPSS rescore
  30. 2026-06-27 03:05 UTCEPSS rescore
  31. 2026-06-25 13:46 UTCEPSS rescore
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  33. 2026-06-24 14:02 UTCEPSS rescore
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  35. 2026-06-23 21:30 UTCEPSS rescore
  36. 2026-06-22 14:22 UTCEPSS rescore
  37. 2026-06-22 14:22 UTCEPSS rescore
  38. 2026-06-21 14:53 UTCEPSS rescore
  39. 2026-06-21 01:56 UTCEPSS rescore
  40. 2026-06-21 01:56 UTCEPSS rescore
  41. 2026-06-19 19:22 UTCEPSS rescore
  42. 2026-06-19 19:22 UTCEPSS rescore
  43. 2026-06-18 17:49 UTCEPSS rescore
  44. 2026-06-18 17:49 UTCEPSS rescore
  45. 2026-06-17 17:49 UTCEPSS rescore
  46. 2026-06-17 17:49 UTCEPSS rescore
  47. 2026-06-16 17:49 UTCEPSS rescore
  48. 2026-06-16 17:49 UTCEPSS rescore
  49. 2026-06-15 17:44 UTCEPSS rescore
  50. 2026-06-14 23:14 UTCEPSS rescore
  51. 2026-06-14 23:14 UTCEPSS rescore
  52. 2026-06-13 22:57 UTCEPSS rescore
  53. 2026-06-12 23:08 UTCEPSS rescore
  54. 2026-06-11 13:56 UTCEPSS rescore
  55. 2026-06-10 22:14 UTCEPSS rescore
  56. 2026-06-10 13:18 UTCEPSS rescore
  57. 2026-06-08 14:14 UTCEPSS rescore
  58. 2026-06-08 14:14 UTCEPSS rescore
  59. 2026-06-07 15:22 UTCEPSS rescore
  60. 2026-06-07 15:22 UTCEPSS rescore
  61. 2026-06-06 13:45 UTCEPSS rescore
  62. 2026-06-06 13:45 UTCEPSS rescore
  63. 2026-06-05 22:44 UTCEPSS rescore
  64. 2026-06-05 22:44 UTCEPSS rescore
  65. 2026-06-04 13:09 UTCEPSS rescore
  66. 2026-06-02 20:10 UTCEPSS rescore
  67. 2026-06-02 20:10 UTCEPSS rescore
  68. 2026-06-01 13:49 UTCEPSS rescore
  69. 2026-05-31 22:28 UTCEPSS rescore
  70. 2026-05-31 22:28 UTCEPSS rescore
  71. 2026-05-31 00:14 UTCEPSS rescore
  72. 2026-05-31 00:14 UTCEPSS rescore
  73. 2026-05-29 13:41 UTCEPSS rescore
  74. 2026-05-29 03:32 UTCEG score recompute
  75. 2026-05-29 03:32 UTCVendor advisory

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Frequently asked(4)

What is CVE-2012-3425?
CVE-2012-3425 is a medium vulnerability published on August 13, 2012. The pngpushreadzTXt function in pngpread.c in libpng 1.0.x before 1.0.58, 1.2.x before 1.2.48, 1.4.x before 1.4.10, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (out-of-bounds read) via a large availin field value in a PNG image.
When was CVE-2012-3425 disclosed?
CVE-2012-3425 was first published in the National Vulnerability Database on August 13, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-3425 actively exploited?
CVE-2012-3425 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 12.2% of all scored CVEs.
How do I remediate CVE-2012-3425?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-3425, 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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