CVE-2026-110681

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Source
https://cve.org/CVERecord?id=CVE-2026-110681
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-110681.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-110681
Downstream
Published
2026-10-19T18:12:05Z
Modified
2026-10-20T02:44:13Z
Summary
Cpanel::JSON::XS versions before 4.80 for Perl use the parent interpreter's scalars from a parser object cloned into a new ithread
Details

Cpanel::JSON::XS versions before 4.80 for Perl use the parent interpreter's scalars from a parser object cloned into a new ithread.

A parser object holds its callbacks and its incremental parse buffer as raw scalar pointers. When a thread is created, these are copied into the new interpreter unchanged, so the child's parser uses, and later frees, scalars that belong to the parent and may already have been freed there.

A parser created before a thread starts and used inside it can call freed callbacks, corrupt reference counts and crash the process.

Database specific 
{
    "cna_assigner":  "CPANSec",
    "cwe_ids":  [
        "CWE-416"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110681.json"
}
References

Affected packages

Git / github.com/rurban/cpanel-json-xs

Affected ranges

Type
GIT
Repo
https://github.com/rurban/cpanel-json-xs
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
5552a527abb648d9eb4134e91412800013ddecb9
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "4.80"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

2.*
2.27
2.28
2.29
2.3
2.31
2.32
2.3305
2.3306
2.3307
2.3308
2.3309
2.3310
2.3311
2.3313
2.3314
2.33_02
2.33_04
2.3401
2.3402
2.3403
2.3404
3.*
3.0101
3.0102
3.0103
3.0104
3.0105
3.0106
3.0109
3.0110
3.0111
3.0112
3.0113
3.0114
3.0115
3.0201
3.0202
3.0204
3.0205
3.0206
3.0207
3.0208
3.0209
3.0210
3.0211
3.0212
3.0213
3.0213_01
3.0213_02
3.0214
3.0215
3.0216
3.0217
3.0217_01
3.0217_02
3.0217_03
3.0217_04
3.0217_05
3.0217_06
3.0218
3.0219
3.0220
3.0221
3.0222
3.0223
3.0224
3.0225
3.0226
3.0227
3.0229
3.0232
3.0233
3.0234
3.0235
3.0236
3.0237
3.0238
3.0239
3.0240
3.99_01
3.99_02
3.99_03
4.*
4.00
4.01
4.02
4.03
4.04
4.05
4.06
4.07
4.08
4.09
4.10
4.11
4.12
4.13
4.14
4.15
4.16
4.17
4.18
4.19
4.20
4.21
4.22
4.23
4.24
4.25
4.26
4.27
4.28
4.29
4.30
4.31
4.32
4.33
4.34
4.35
4.36
4.37
4.38
4.39
4.40
4.41
4.42
4.43
4.44
4.50
4.51
4.52
4.53

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-110681.json"