CVE-2026-71832

MEDIUMPre-NVD 6.26.2—
EchelonGraph scoreHIGH confidence

Score 6.2 from GitHub Security Advisory published 2026-08-24. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
6.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.2Exploit: None knownExposed: 0

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

Aria2 version 1.37.0 and below is affected by a Divide By Zero issue in src/bittorrent_helper.cc, which allows a remote malicious user to cause a Denial of Service

CVSS v3
6.2
EG Score
6.2(high)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity62% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

August 24, 2026

Last Modified

September 8, 2026

Advisory Details (1)

Auto-updated Aug 28, 2026
No patch confirmed yet.
generic

UndefinedBehaviorSanitizer: undefined-behavior in function processRootDictionary · Issue #2371 · aria2/aria2 · GitHub

https://github.com/aria2/aria2/issues/2371

Vendor Advisories for CVE-2026-71832(1)

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

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
aria21.36.0-1, 1.36.0-2——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
aria20.10.1-1 ... 1.9.5-1 (85 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
aria20.10.1-1 ... 1.9.5-1 (85 versions)——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 16× in last 7d / 62× 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. 2026-09-19 16:36 UTCEG score recompute
  2. 2026-09-19 16:36 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 14:52 UTCEG score recompute
  5. 2026-09-18 14:52 UTCGHSA enrichment
  6. 2026-09-17 13:08 UTCEG score recompute
  7. 2026-09-17 13:08 UTCGHSA enrichment
  8. 2026-09-16 14:08 UTCEPSS rescore
  9. 2026-09-16 11:04 UTCGHSA enrichment
  10. 2026-09-15 09:20 UTCEG score recompute
  11. 2026-09-15 09:20 UTCGHSA enrichment
  12. 2026-09-15 03:12 UTCEPSS rescore
  13. 2026-09-14 07:36 UTCEG score recompute
  14. 2026-09-14 07:36 UTCGHSA enrichment
  15. 2026-09-13 05:52 UTCEG score recompute
  16. 2026-09-13 05:52 UTCGHSA enrichment
  17. 2026-09-12 15:02 UTCEPSS rescore
  18. 2026-09-12 04:08 UTCEG score recompute
  19. 2026-09-12 04:08 UTCGHSA enrichment
  20. 2026-09-11 14:53 UTCEPSS rescore
  21. 2026-09-11 02:22 UTCEG score recompute
  22. 2026-09-11 02:22 UTCGHSA enrichment
  23. 2026-09-10 09:35 UTCEPSS rescore
  24. 2026-09-10 00:38 UTCEG score recompute
  25. 2026-09-10 00:38 UTCGHSA enrichment
Show 37 more
  1. 2026-09-08 22:01 UTCEPSS rescore
  2. 2026-09-08 20:05 UTCEG score recompute
  3. 2026-09-08 20:05 UTCGHSA enrichment
  4. 2026-09-07 15:24 UTCEG score recompute
  5. 2026-09-07 15:24 UTCGHSA enrichment
  6. 2026-09-06 13:48 UTCEPSS rescore
  7. 2026-09-06 10:47 UTCEG score recompute
  8. 2026-09-06 10:46 UTCGHSA enrichment
  9. 2026-09-05 09:01 UTCEG score recompute
  10. 2026-09-05 09:01 UTCGHSA enrichment
  11. 2026-09-04 07:17 UTCEG score recompute
  12. 2026-09-04 07:17 UTCGHSA enrichment
  13. 2026-09-04 05:07 UTCEPSS rescore
  14. 2026-09-03 05:32 UTCGHSA enrichment
  15. 2026-09-02 03:43 UTCEG score recompute
  16. 2026-09-02 03:43 UTCGHSA enrichment
  17. 2026-09-01 13:54 UTCEPSS rescore
  18. 2026-09-01 04:40 UTCEPSS rescore
  19. 2026-09-01 01:57 UTCGHSA enrichment
  20. 2026-08-31 00:13 UTCEG score recompute
  21. 2026-08-31 00:13 UTCGHSA enrichment
  22. 2026-08-30 19:17 UTCEPSS rescore
  23. 2026-08-30 01:22 UTCEPSS rescore
  24. 2026-08-29 22:29 UTCEG score recompute
  25. 2026-08-29 22:29 UTCGHSA enrichment
  26. 2026-08-28 21:42 UTCEPSS rescore
  27. 2026-08-28 20:45 UTCGHSA enrichment
  28. 2026-08-28 19:42 UTCEG score recompute▲ 6.20
  29. 2026-08-28 19:42 UTCGHSA enrichment
  30. 2026-08-28 19:36 UTCMITRE cvelistV5CVSS v3 → 6.2 · severity → MEDIUM
  31. 2026-08-27 18:16 UTCEG score recompute
  32. 2026-08-27 18:16 UTCGHSA enrichment
  33. 2026-08-26 14:47 UTCEPSS rescore
  34. 2026-08-25 13:49 UTCEPSS rescore
  35. 2026-08-24 19:24 UTCNVD update
  36. 2026-08-24 19:07 UTCEG score recompute
  37. 2026-08-24 19:06 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-71832?
CVE-2026-71832 is a medium vulnerability published on August 24, 2026. Aria2 version 1.37.0 and below is affected by a Divide By Zero issue in src/bittorrent_helper.cc, which allows a remote malicious user to cause a Denial of Service
When was CVE-2026-71832 disclosed?
CVE-2026-71832 was first published in the National Vulnerability Database on August 24, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-71832 actively exploited?
CVE-2026-71832 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 98.1% of all scored CVEs.
What is the CVSS score of CVE-2026-71832?
CVE-2026-71832 has a CVSS v3.1 base score of 6.2 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-71832?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-71832, 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-2026-71832

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