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Back to active CVEs
Medium · CVSS 6.8CVE-2026-111158

EarthScope libmseed through 3.5.4 Heap Out-of-Bounds Read via ms3_detectCVE-2026-111158

Answer in brief

CVE-2026-111158 records a Medium severity (CVSS 6.8) vulnerability in EarthScope libmseed through 3.5.4 Heap Out-of-Bounds Read via ms3_detect. The current sources do not mark it as known exploited. The current feed maps EarthScope/libmseed (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 15, 2026Updated Oct 15, 2026Source checked Oct 15, 2026First seen by HOL Oct 15, 2026Material review Oct 15, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.8
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 6.8. 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 EarthScope/libmseed (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
EarthScope/libmseedgeneric>=0 <=3.5.4Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for EarthScope/libmseed.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 15, 2026

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

  2. Source modified

    Oct 15, 2026

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

  3. First seen by HOL

    Oct 15, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencehackmd.io
  • Source referencevulncheck.com
Upstream source description

EarthScope libmseed through 3.5.4 contains a heap out-of-bounds read vulnerability in ms3_detect() in parseutils.c that reads past truncated miniSEED 2 record buffers. Attackers can supply a 40 to 47 byte buffer passing MS2_ISVALIDHEADER to msr3_parse() or ms3_detect(), over-reading up to 8 bytes and potentially crashing the process.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • NetSurf libnsbmp through 0.1.7 Out-of-Bounds Read in RLE8 and RLE4 DecodersAlso CWE-125
  • NetSurf libnsbmp through 0.1.7 Out-of-Bounds Read via bmp_decode_maskAlso CWE-125
  • libregf through 20260526 Heap Out-of-Bounds Read via libregf_value_item_read_value_dataAlso CWE-125
  • zziplib through 0.13.80 Out-of-Bounds Read via __zzip_parse_root_directory ZIP64 ParsingAlso CWE-125
  • Zziplib through 0.13.80 Out-of-Bounds Read via zzip_disk_findfirstAlso CWE-125
  • Ansilove libansilove through 1.4.2 Out-of-Bounds Read via ansilove_xbin RLE DecodingAlso CWE-125

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-125
Source
CVE List V5
Source checked
Oct 15, 2026
References
5 linked sources
Open source record