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  4. CVE 2026 107570 use of out of range pointer offset in mutt
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Back to active CVEs
Low · CVSS 2.5CVE-2026-107570

Use of Out-of-range Pointer Offset in muttCVE-2026-107570

Answer in brief

CVE-2026-107570 records a Low severity (CVSS 2.5) vulnerability in Use of Out-of-range Pointer Offset in mutt. The current sources do not mark it as known exploited. The current feed maps mutt/mutt (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 8, 2026Updated Oct 8, 2026Source checked Oct 8, 2026First seen by HOL Oct 8, 2026Material review Oct 8, 2026
Upstream Advisory

Key facts

Risk
Low · CVSS 2.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 2.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps mutt/mutt (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
mutt/muttgeneric>=0 <=2.4.2Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for mutt/mutt.
  2. 2Review the reported fix. Source-reported solution: Upgrade to 2.4.3

Evidence timeline and material changes

  1. Published upstream

    Oct 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 8, 2026

Sources and claim methodology

  • Source referencegitlab.com
Upstream source description

heap OOB write in convert_file_from_to() via a crafted Content-Type header allows attacker to OOB write when email is used as a template.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-823
Source
CVE List V5
Source checked
Oct 8, 2026
References
1 linked source
Open source record