Heap corruption via unchecked object ID reuse
Published Jun 7, 2026 · Updated Jun 7, 2026
Insecure deserialization in Boost.Serialization 1.91 and earlier allows attackers to corrupt heap memory via crafted archives. basic_iarchive_impl::track reuses an object_id's stored address, and load_pointer returns early without verifying that the current pointer type matches the original object. Exploitation requires multiple pointer deserializations in one attacker-controlled archive; demonstrated unique_ptr aliasing causes a double free, while code execution depends on downstream object types and use.
Summary
What happened
Insecure deserialization in Boost.Serialization 1.91 and earlier allows attackers to corrupt heap memory via crafted archives. basic_iarchive_impl::track reuses an object_id's stored address, and load_pointer returns early without verifying that the current pointer type matches the original object. Exploitation requires multiple pointer deserializations in one attacker-controlled archive; demonstrated unique_ptr aliasing causes a double free, while code execution depends on downstream object types and use.
The record
- CVE
- CVE-2026-11460
- Published
- Jun 7, 2026
- Updated
- Jun 7, 2026
- Vendor
- Boost
- Product
- Boost.Serialization
- Classifications
- CWE-20, CWE-1287, T1499.004
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 7, 2026CVE publishedPublication date reported by the CVE source.
- Jun 7, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.0
- Affected versionversion=1.1
- Affected versionversion=1.10
- Affected versionversion=1.11
- Affected versionversion=1.12
- Affected versionversion=1.13
- Affected versionversion=1.14
- Affected versionversion=1.15
- Affected versionversion=1.16
- Affected versionversion=1.17
- Affected versionversion=1.18
- Affected versionversion=1.19
- Affected versionversion=1.2
- Affected versionversion=1.20
- Affected versionversion=1.21
- Affected versionversion=1.22
- Affected versionversion=1.23
- Affected versionversion=1.24
- Affected versionversion=1.25
- Affected versionversion=1.26
- Affected versionversion=1.27
- Affected versionversion=1.28
- Affected versionversion=1.29
- Affected versionversion=1.3
- Affected versionversion=1.30
- Affected versionversion=1.31
- Affected versionversion=1.32
- Affected versionversion=1.33
- Affected versionversion=1.34
- Affected versionversion=1.35
- Affected versionversion=1.36
- Affected versionversion=1.37
- Affected versionversion=1.38
- Affected versionversion=1.39
- Affected versionversion=1.4
- Affected versionversion=1.40
- Affected versionversion=1.41
- Affected versionversion=1.42
- Affected versionversion=1.43
- Affected versionversion=1.44
- Affected versionversion=1.45
- Affected versionversion=1.46
- Affected versionversion=1.47
- Affected versionversion=1.48
- Affected versionversion=1.49
- Affected versionversion=1.5
- Affected versionversion=1.50
- Affected versionversion=1.51
- Affected versionversion=1.52
- Affected versionversion=1.53
- Affected versionversion=1.54
- Affected versionversion=1.55
- Affected versionversion=1.56
- Affected versionversion=1.57
- Affected versionversion=1.58
- Affected versionversion=1.59
- Affected versionversion=1.6
- Affected versionversion=1.60
- Affected versionversion=1.61
- Affected versionversion=1.62
- Affected versionversion=1.63
- Affected versionversion=1.64
- Affected versionversion=1.65
- Affected versionversion=1.66
- Affected versionversion=1.67
- Affected versionversion=1.68
- Affected versionversion=1.69
- Affected versionversion=1.7
- Affected versionversion=1.70
- Affected versionversion=1.71
- Affected versionversion=1.72
- Affected versionversion=1.73
- Affected versionversion=1.74
- Affected versionversion=1.75
- Affected versionversion=1.76
- Affected versionversion=1.77
- Affected versionversion=1.78
- Affected versionversion=1.79
- Affected versionversion=1.8
- Affected versionversion=1.80
- Affected versionversion=1.81
- Affected versionversion=1.82
- Affected versionversion=1.83
- Affected versionversion=1.84
- Affected versionversion=1.85
- Affected versionversion=1.86
- Affected versionversion=1.87
- Affected versionversion=1.88
- Affected versionversion=1.89
- Affected versionversion=1.9
- Affected versionversion=1.90
- Affected versionversion=1.91
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Boost.Serialization type-confusion proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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