SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-21371

Memory Corruption when retrieving output buffer with insufficient size validation.

HIGH 7.8EPSS 0.10%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Memory Corruption when retrieving output buffer with insufficient size validation.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.10% probability · 1th percentile
CISA KEV
Not listed
Weakness
CWE-126
Affected
qualcomm/snapdragon 8cx compute platform \"poipu pro\" firmware · qualcomm/snapdragon 8cx gen 2 5g compute platform firmware · qualcomm/snapdragon 8cx gen 2 5g compute platform \"poipu pro\" firmware · qualcomm/snapdragon 8cx gen 3 compute platform firmware · qualcomm/wcd9340 firmware · qualcomm/snapdragon 8cx compute platform firmware · qualcomm/snapdragon 8c compute platform \(sc8180xp-ad\) firmware · qualcomm/snapdragon 8c compute platform firmware · qualcomm/snapdragon 7c\+ gen 3 compute firmware · qualcomm/snapdragon 7c gen 2 compute platform firmware · qualcomm/snapdragon 7c compute platform firmware · qualcomm/snapdragon 662 mobile platform firmware · qualcomm/snapdragon 460 mobile platform firmware · qualcomm/sm6250 firmware · qualcomm/sc8380xp firmware · qualcomm/video collaboration vc3 platform firmware · qualcomm/qcm6490 firmware · qualcomm/qcm5430 firmware · qualcomm/qca6430 firmware · qualcomm/qca6420 firmware · +32 more
Source
product-security@qualcomm.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.