CVE-2023-31567

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2023-05-10. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, 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: 1%CVSS: 8.8Exploit: Elevated riskExposed: 0

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

Podofo v0.10.0 was discovered to contain a heap buffer overflow via the component PoDoFo::PdfEncryptAESV3::PdfEncryptAESV3.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
56(Track*)
EG Risk 56/100SSVC: 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%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
52%
KEV
Not listed

Published

May 10, 2023

Last Modified

January 27, 2025

Advisory Details (1)

Auto-updated Aug 12, 2026
No patch confirmed yet.
generic

Heap-buffer-overflow in podofo 0.10.0(main/PdfEncrypt.cpp in PoDoFo::PdfEncryptAESV3::PdfEncryptAESV3) · Issue #71 · podofo/podofo · GitHub

https://github.com/podofo/podofo/issues/71

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
libpodofo0.9.7+dfsg-2 ... 0.9.8+dfsg-3.3 (9 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
libpodofo0.9.8+dfsg-3, 0.9.8+dfsg-3.1, 0.9.8+dfsg-3.1~exp1, 0.9.8+dfsg-3.2, 0.9.8+dfsg-3.3——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
libpodofo0.9.8+dfsg-3.2, 0.9.8+dfsg-3.3——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
libpodofo0.9.8+dfsg-3.2, 0.9.8+dfsg-3.3——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 28× 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 162 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-31567?
CVE-2023-31567 is a high vulnerability published on May 10, 2023. Podofo v0.10.0 was discovered to contain a heap buffer overflow via the component PoDoFo::PdfEncryptAESV3::PdfEncryptAESV3.
When was CVE-2023-31567 disclosed?
CVE-2023-31567 was first published in the National Vulnerability Database on May 10, 2023, with the most recent update on January 27, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-31567 actively exploited?
CVE-2023-31567 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 47.5% of all scored CVEs.
What is the CVSS score of CVE-2023-31567?
CVE-2023-31567 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2023-31567?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-31567, 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

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