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P11 kit: Global-buffer-overflow in base_C_MessageEncryptInit

0
Medium
Published: 03/18/2023 (03/18/2023, 13:00:57 UTC)
Source: GCVE Database
Product: p11-kit

Description

A global buffer overflow vulnerability has been identified in the p11-kit project within the function base_C_MessageEncryptInit. The issue was discovered through OSS-Fuzz and involves an out-of-bounds read of 8 bytes. No CVSS score is available, and no known exploits have been reported in the wild. The affected versions include the commit identified by hash 7fe7e5d95d9197e7f52aab314468d424acc6ac88 and later. No patch or remediation information is provided in the available data.

Affected software

OSS-Fuzzmore threats →ghsa
p11-kit
pkg:generic/p11-kit
Affected versions
>=7fe7e5d95d9197e7f52aab314468d424acc6ac88=0.25.0=0.25.1=0.25.2=0.25.3=0.25.4=0.25.5=0.25.10=0.25.6=0.25.7=0.25.8=0.25.9=0.26.0=0.26.1=0.26.2=0.26.3=0.26.4

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/07/2026, 00:31:03 UTC

Technical Analysis

The p11-kit project contains a global buffer overflow vulnerability in the base_C_MessageEncryptInit function, as reported by OSS-Fuzz (OSV-2023-197). The crash involves an 8-byte out-of-bounds read leading to a global buffer overflow. The crash stack trace includes base_C_MessageEncryptInit, rpc_C_MessageEncryptInit, and p11_rpc_server_handle functions. This vulnerability affects versions starting from commit 7fe7e5d95d9197e7f52aab314468d424acc6ac88. There is no CVSS score or vendor advisory indicating patch availability or mitigation steps.

Potential Impact

The vulnerability causes a global buffer overflow due to an out-of-bounds read, which could potentially lead to memory corruption or application crashes. No information about active exploitation or further impact is available.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory or OSS-Fuzz reports for current remediation guidance. Until a fix is available, users should monitor official p11-kit repositories and OSS-Fuzz for updates.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
OSV-2023-197
Osv Schema Version
1.4.0
Ecosystems
["OSS-Fuzz"]

Threat ID: 6a520ef268715ace4391dbd3

Added to database: 07/11/2026, 09:37:54 UTC

Last enriched: 08/07/2026, 00:31:03 UTC

Last updated: 09/09/2026, 17:09:13 UTC

Views: 79

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