CVE-2026-41681

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 71% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.10.39 to before 0.10.78, EVP_DigestFinal() always writes EVP_MD_CTX_size(ctx) to the out buffer. If out is smaller than that, MdCtxRef::digest_final() writes past its end, usually corrupting the stack. This is reachable from safe Rust. This vulnerability is fixed in 0.10.78.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

April 24, 2026

Last Modified

July 15, 2026

Advisory Details (4)

Auto-updated May 10, 2026
Patch available. Sources: github.
github Patch Available

MdCtxRef::digest_final() writes past caller buffer with no length check · Advisory · rust-openssl/rust-openssl · GitHub

https://github.com/rust-openssl/rust-openssl/security/advisories/GHSA-ghm9-cr32-g9qj
generic

Release openssl-v0.10.78 · rust-openssl/rust-openssl · GitHub

https://github.com/rust-openssl/rust-openssl/releases/tag/openssl-v0.10.78
generic

Error for short out in MdCtxRef::digest_final() by botovq · Pull Request #2608 · rust-openssl/rust-openssl · GitHub

https://github.com/rust-openssl/rust-openssl/pull/2608
generic

Error for short out in MdCtxRef::digest_final() (#2608) · rust-openssl/rust-openssl@826c388 · GitHub

https://github.com/rust-openssl/rust-openssl/commit/826c3888b77add418b394770e2b2e3a72d9f92fe

Vendor Advisories for CVE-2026-41681(1)

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

Affected Packages

(5 across 5 ecosystems)
crates.io(1)
PackageVulnerable rangeFixed inDependents
openssl—0.10.78—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
rust-openssl0.10.29-1 ... 0.10.79-1 (13 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
rust-openssl0.10.45-1 ... 0.10.79-1 (9 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
rust-openssl0.10.72-1, 0.10.73-1, 0.10.78-1, 0.10.79-1——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
rust-openssl0.10.72-1, 0.10.73-10.10.78-1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 40× 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 136 total refreshes for this CVE.

  1. 2026-08-25 13:49 UTCEPSS rescore
  2. 2026-08-23 00:19 UTCEPSS rescore
  3. 2026-08-21 23:49 UTCEPSS rescore
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  7. 2026-08-17 14:47 UTCEG score recompute
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  15. 2026-08-12 17:47 UTCEG score recompute
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  25. 2026-08-08 00:55 UTCEG score recompute
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  1. 2026-08-07 12:32 UTCEG score recompute
  2. 2026-08-06 13:46 UTCEPSS rescore
  3. 2026-08-05 22:55 UTCEG score recompute
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  7. 2026-08-03 21:00 UTCEG score recompute
  8. 2026-08-03 10:36 UTCEPSS rescore
  9. 2026-08-02 10:59 UTCEG score recompute
  10. 2026-08-02 02:27 UTCEPSS rescore
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  20. 2026-07-23 14:18 UTCEPSS rescore
  21. 2026-07-23 03:11 UTCEG score recompute▼ 2.30
  22. 2026-07-22 14:08 UTCEPSS rescore
  23. 2026-07-21 15:24 UTCEPSS rescore
  24. 2026-07-20 22:32 UTCOSV refresh
  25. 2026-07-20 17:08 UTCEPSS rescore
  26. 2026-07-19 14:31 UTCEPSS rescore
  27. 2026-07-19 02:29 UTCEPSS rescore
  28. 2026-07-18 10:04 UTCEPSS rescore
  29. 2026-07-16 17:03 UTCEPSS rescore
  30. 2026-07-15 16:57 UTCEPSS rescore
  31. 2026-07-15 16:57 UTCEPSS rescore
  32. 2026-07-15 16:55 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  33. 2026-07-15 02:00 UTCEPSS rescore
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  49. 2026-06-30 23:22 UTCEPSS rescore
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  54. 2026-06-25 13:49 UTCEPSS rescore
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  73. 2026-06-10 22:18 UTCEPSS rescore
  74. 2026-06-10 13:22 UTCEPSS rescore
  75. 2026-06-10 13:22 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-41681?
CVE-2026-41681 is a high vulnerability published on April 24, 2026. rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.10.39 to before 0.10.78, EVPDigestFinal() always writes EVPMDCTXsize(ctx) to the out buffer. If out is smaller than that, MdCtxRef::digest_final() writes past its end, usually corrupting the stack. This is reachable…
When was CVE-2026-41681 disclosed?
CVE-2026-41681 was first published in the National Vulnerability Database on April 24, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41681 actively exploited?
CVE-2026-41681 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 71.4% of all scored CVEs.
What is the CVSS score of CVE-2026-41681?
CVE-2026-41681 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-41681?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41681, 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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