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Fencer Vulns
high 8.4

CVE-2021-35134 json

Due to insufficient validation of ELF headers, an Incorrect Calculation of Buffer Size can occur in Boot leading to memory corruption in Sn…

published 2022-09-02 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-21778

cvss
8.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits
0
none known

Summary

Due to insufficient validation of ELF headers, an Incorrect Calculation of Buffer Size can occur in Boot leading to memory corruption in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Qualcomm, Inc. Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Classification

Weakness
  • CWE-131 Incorrect Calculation of Buffer Size

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.