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Fencer Vulns
medium 6.7

CVE-2023-43521 json

Use After Free in HLOS

published 2024-05-06 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47927

cvss
6.7
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 1%
public exploits
0
none known

Summary

Memory corruption when multiple listeners are being registered with the same file descriptor.

Patch / fix

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.11% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Qualcomm, Inc. Snapdragon
  • qualcomm ar8035_firmware
  • qualcomm c-v2x_9150_firmware
  • qualcomm fastconnect_6800_firmware
  • qualcomm fastconnect_6900_firmware
  • qualcomm fastconnect_7800_firmware
  • qualcomm qam8255p_firmware
  • qualcomm qam8295p_firmware
  • qualcomm qam8650p_firmware
  • qualcomm qam8775p_firmware
  • qualcomm qamsrv1h_firmware
  • qualcomm qamsrv1m_firmware
  • qualcomm qca6174a_firmware
  • qualcomm qca6391_firmware
  • qualcomm qca6426_firmware
  • qualcomm qca6436_firmware
  • qualcomm qca6574au_firmware
  • qualcomm qca6584au_firmware
  • qualcomm qca6696_firmware
  • qualcomm qca6698aq_firmware
  • qualcomm qca8081_firmware
  • qualcomm qca8337_firmware
  • qualcomm qcc710_firmware
  • qualcomm qcn6224_firmware
  • qualcomm qcn6274_firmware
  • qualcomm qcn9074_firmware
  • qualcomm qcs410_firmware
  • qualcomm qcs610_firmware
  • qualcomm qfw7114_firmware
  • qualcomm qfw7124_firmware
  • qualcomm qualcomm_video_collaboration_vc1_platform_firmware
  • qualcomm qualcomm_video_collaboration_vc3_platform_firmware
  • qualcomm sa6145p_firmware
  • qualcomm sa6150p_firmware
  • qualcomm sa6155p_firmware
  • qualcomm sa7255p_firmware
  • qualcomm sa8145p_firmware
  • qualcomm sa8150p_firmware
  • qualcomm sa8155p_firmware
  • qualcomm sa8195p_firmware
  • qualcomm sa8255p_firmware
  • qualcomm sa8295p_firmware
  • qualcomm sa8620p_firmware
  • qualcomm sa8650p_firmware
  • qualcomm sa8770p_firmware
  • qualcomm sa8775p_firmware
  • qualcomm sa9000p_firmware
  • qualcomm sd865_5g_firmware
  • qualcomm snapdragon_8_gen_1_mobile_platform_firmware
  • qualcomm snapdragon_865_5g_mobile_platform_firmware

Classification

Weakness

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.