01 Record

CVE-2026-98636

squashfs: Add dictionary size range check to prevent shift-out-of-bounds

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

squashfs: Add dictionary size range check to prevent shift-out-of-bounds

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.17% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 7.1% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Received. NVD last modified this record on 2026-10-19.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2026-10-18 15:20Z10 DAYS AGO

Last updated

2026-10-19 09:23Z10 DAYS AGO

Reserved

2026-09-25

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-1335Incorrect Bitwise Shift of IntegerBase

Data version

5.2

Document digest

fb610746a2aa7bd57d76e01228f241e355b59e99c827d2ebfb4023a90cc827b8

05 Affected products

VendorProductVersionsPlatforms

LinuxLinuxff750311d30acc9564ef577050794953eee59f01 to < b02948a23455f8190a53887b2d2c13ae1d360cea, ff750311d30acc9564ef577050794953eee59f01 to < 9d9c5c218ea356a1d88765214ad2919605280ab1, ff750311d30acc9564ef577050794953eee59f01 to < 7a1c293e7aa17f1afaee0684e0e931fe23a5a6b1, ff750311d30acc9564ef577050794953eee59f01 to < c68e0068a236f9a7dfc19720bdf11e5d80a85089, ff750311d30acc9564ef577050794953eee59f01 to < 88c673a0bd233df44ca0020da82f4fd3876de27a, ff750311d30acc9564ef577050794953eee59f01 to < 0cb85377daaefb4ce5ce72975f2deb27ee0e0cad, ff750311d30acc9564ef577050794953eee59f01 to < e1ca4e3a380ef3e8f46ce006f1146392e3f32c98, ff750311d30acc9564ef577050794953eee59f01 to < 1f7745fb3580152ca902ef181b605f33cabfb1d0, 2.6.39—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/b02948a23455f8190a53887b2d2c13ae1d360cea
git.kernel.orghttps://git.kernel.org/stable/c/9d9c5c218ea356a1d88765214ad2919605280ab1
git.kernel.orghttps://git.kernel.org/stable/c/7a1c293e7aa17f1afaee0684e0e931fe23a5a6b1
git.kernel.orghttps://git.kernel.org/stable/c/c68e0068a236f9a7dfc19720bdf11e5d80a85089
git.kernel.orghttps://git.kernel.org/stable/c/88c673a0bd233df44ca0020da82f4fd3876de27a
git.kernel.orghttps://git.kernel.org/stable/c/0cb85377daaefb4ce5ce72975f2deb27ee0e0cad
git.kernel.orghttps://git.kernel.org/stable/c/e1ca4e3a380ef3e8f46ce006f1146392e3f32c98
git.kernel.orghttps://git.kernel.org/stable/c/1f7745fb3580152ca902ef181b605f33cabfb1d0

07 Fixed in

Debian 12

linux
Fixed in 6.1.190-1
linux-6.12
Fixed in 6.12.113-1~deb12u1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

linux
Fixed in 6.12.113-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

linux
Fixed in 7.2.9-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.