CTranslate2 before 4.8.1 contains an out-of-bounds heap read vulnerability in the binary model loader when deserializing string fields without null terminators. Attackers can craft malicious model files to trigger heap memory reads past buffer boundaries, causing crashes or disclosing adjacent heap memory contents.
CVE-2026-102567
MEDIUMPre-NVD 6.16.1—Trending — 4 sources updated this week
EchelonGraph scoreHIGH confidence
Score 6.1 from GitHub Security Advisory published 2026-09-29. A secondary CVSS source baseline 6.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 6.1Exploit: None knownExposed services: Not assessed
A fix is available — apply it.
- CVSS v3
- 6.1
- EG Score
- 6.1MEDIUMhigh confidence
- EG Risk
- 27EG Risk 27/100CISA SSVC
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 computedSeverity61% × 45%Exploitation0% × 40%Automatability0% × 15%CISA SSVC: Track at every mission impact level.Action: A fix is available. Apply it within your standard update timelines. - EPSS PROB
- 0.1%
- EPSS %ILE
- 1st
- KEV
- Not listed
CISA SSVCTrack at every mission impact level.
A fix is available. Apply it within your standard update timelines.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
September 29, 2026
Last Modified
September 30, 2026
Advisory Details (6)
Auto-updated Sep 29, 2026Patch available. Sources: github_pr, github_commit, github_release.
generic
CTranslate2 before 4.8.1 Out-of-Bounds Read via Model Deserialization | Advisories | VulnCheck
https://www.vulncheck.com/advisories/ctranslate2-before-4.8.1-out-of-bounds-read-via-model-deserializationgeneric
GitHub - OpenNMT/CTranslate2: Fast inference engine for Transformer models · GitHub
https://github.com/OpenNMT/CTranslate2github_release Patch Available
v4.8.1
Patch available: OpenNMT/CTranslate2 v4.8.1
https://github.com/OpenNMT/CTranslate2/releases/tag/v4.8.1generic
CTranslate2/src/models/model.cc at v4.8.0 · OpenNMT/CTranslate2 · GitHub
https://github.com/OpenNMT/CTranslate2/blob/v4.8.0/src/models/model.cc#L81-L87github_commit Patch Available
commit d9b991e07009 (OpenNMT/CTranslate2)
Patch available: OpenNMT/CTranslate2 v4.8.1 (contains commit d9b991e07009)
https://github.com/OpenNMT/CTranslate2/commit/d9b991e0700933a0c05373df8b52ed89cdcab96dgithub_pr Patch Available
Fix model load heap overflow
Patch available: OpenNMT/CTranslate2 v4.8.1 (PR #2068 merged 2026-07-02)
https://github.com/OpenNMT/CTranslate2/pull/2068Vendor Advisories for CVE-2026-102567(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 17× in last 7d / 17× 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.
- 2026-10-04 14:30 UTCGHSA enrichment
- 2026-10-03 15:20 UTCEG score recompute
- 2026-10-03 15:20 UTCGHSA enrichment
- 2026-10-03 14:25 UTCEPSS rescore
- 2026-10-02 16:08 UTCEG score recompute
- 2026-10-02 16:08 UTCGHSA enrichment
- 2026-10-01 19:49 UTCEPSS rescore
- 2026-10-01 16:59 UTCGHSA enrichment
- 2026-09-30 17:26 UTCEG score recompute
- 2026-09-30 17:26 UTCGHSA enrichment
- 2026-09-30 15:02 UTCEPSS rescore
- 2026-09-30 14:36 UTCEG score recompute
- 2026-09-30 14:36 UTCGHSA enrichment
- 2026-09-29 15:23 UTCEG score recompute
- 2026-09-29 15:09 UTCEG score recompute
- 2026-09-29 14:40 UTCEG score recompute
- 2026-09-29 14:38 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-102567?
CVE-2026-102567 is a medium vulnerability published on September 29, 2026. CTranslate2 before 4.8.1 contains an out-of-bounds heap read vulnerability in the binary model loader when deserializing string fields without null terminators. Attackers can craft malicious model files to trigger heap memory reads past buffer boundaries, causing crashes or disclosing adjacent heap…
When was CVE-2026-102567 disclosed?
CVE-2026-102567 was first published on September 29, 2026, with the most recent update on September 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-102567 actively exploited?
CVE-2026-102567 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-102567?
CVE-2026-102567 has a CVSS base score of 6.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-102567?
A fix for CVE-2026-102567 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-102567 are linked in the Vendor Advisories panel on this page.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-102567
Is Your Infrastructure Affected by CVE-2026-102567?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.