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NVD
NVD
added 2026/07/01 12:16 a.m.5 views

CVE-2026-54500

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.3, Oj.load in :object mode reads uninitialized stack memory and, for long keys, reads out of bounds when parsing a JSON object whose key is 254 bytes or longer. The interned bytes can surfac...

5.3CVSS0.00197EPSS
Exploits0References1
OSV
OSV
added 2026/07/01 12:16 a.m.4 views

DEBIAN-CVE-2026-54500

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.3, Oj.load in :object mode reads uninitialized stack memory and, for long keys, reads out of bounds when parsing a JSON object whose key is 254 bytes or longer. The interned bytes can surfac...

5.3CVSS5.9AI score0.00197EPSS
Exploits0References1
OSV
OSV
added 2026/07/01 12:16 a.m.4 views

UBUNTU-CVE-2026-54500

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.3, Oj.load in :object mode reads uninitialized stack memory and, for long keys, reads out of bounds when parsing a JSON object whose key is 254 bytes or longer. The interned bytes can surfac...

5.3CVSS5.9AI score0.00197EPSS
Exploits0References3
Debian CVE
Debian CVE
added 2026/06/30 11:8 p.m.6 views

CVE-2026-54500

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.3, Oj.load in :object mode reads uninitialized stack memory and, for long keys, reads out of bounds when parsing a JSON object whose key is 254 bytes or longer. The interned bytes can surfac...

5.3CVSS5.9AI score0.00197EPSS
Exploits0
RedHat Linux
RedHat Linux
added 2026/06/20 12:28 a.m.7 views

kernel: crypto: caam - fix overflow on long hmac keys

A flaw was found in the Linux kernel's caam cryptographic accelerator driver. When processing a Hash-based Message Authentication Code HMAC key that exceeds the block size, the driver incorrectly handles memory allocation and copying. This can lead to an overflow, where the system attempts to rea...

7.8CVSS6.1AI score0.00129EPSS
Exploits0References5
Github Security Blog
Github Security Blog
added 2026/06/19 8:47 p.m.12 views

Oj: Use-After-Free in Oj::Parser SAJ Long Key Callback

Summary Oj::Parser in SAJ mode does not protect cached object keys ≥ 35 bytes from garbage collection. A Ruby callback that triggers GC inside hashend can cause the key string to be reclaimed while the C parser still holds a pointer to it. The subsequent access to the freed string VALUE results i...

6.3CVSS5.8AI score0.00253EPSS
Exploits0References2Affected Software1
OSV
OSV
added 2026/06/19 8:47 p.m.7 views

GHSA-M578-W5VF-RFCM Oj: Use-After-Free in Oj::Parser SAJ Long Key Callback

Summary Oj::Parser in SAJ mode does not protect cached object keys ≥ 35 bytes from garbage collection. A Ruby callback that triggers GC inside hashend can cause the key string to be reclaimed while the C parser still holds a pointer to it. The subsequent access to the freed string VALUE results i...

8.7CVSS5.8AI score0.00253EPSS
Exploits0References2
Github Security Blog
Github Security Blog
added 2026/06/19 7:35 p.m.10 views

Oj: intern.c form_attr (uninitialized stack read)

Summary Oj.load in :object mode reads uninitialized stack memory and, for long keys, reads out of bounds when parsing a JSON object whose key is 254 bytes or longer. The interned bytes can surface to the caller, disclosing process stack memory. Details In ext/oj/intern.c, formattr handles the...

5.3CVSS6.1AI score0.00197EPSS
Exploits0References2Affected Software1
Snyk
Snyk
added 2026/06/19 7:35 p.m.4 views

Use of Uninitialized Resource

Overview Affected versions of this package are vulnerable to Use of Uninitialized Resource in the formattr function when parsing a JSON object with a key of 254 bytes or longer using Oj.load in :object mode. An attacker can obtain sensitive stack memory contents by supplying a crafted JSON payloa...

6.9CVSS5.9AI score0.00197EPSS
Exploits0References3
OSV
OSV
added 2026/06/19 7:35 p.m.7 views

GHSA-FM7P-MPRW-WJM9 Oj: intern.c form_attr (uninitialized stack read)

Summary Oj.load in :object mode reads uninitialized stack memory and, for long keys, reads out of bounds when parsing a JSON object whose key is 254 bytes or longer. The interned bytes can surface to the caller, disclosing process stack memory. Details In ext/oj/intern.c, formattr handles the...

5.3CVSS6.1AI score0.00197EPSS
Exploits0References2
Positive Technologies
Positive Technologies
added 2026/06/19 12:0 a.m.24 views

PT-2026-51063

Name of the Vulnerable Software and Affected Versions Oj versions prior to 3.17.3 Description When parsing a JSON object with a key of 254 bytes or longer, the Oj.load function in :object mode reads uninitialized stack memory. For keys 256 bytes or longer, the process also performs an out-of-boun...

5.3CVSS5.9AI score0.00197EPSS
Exploits0References4
Positive Technologies
Positive Technologies
added 2026/06/19 12:0 a.m.15 views

PT-2026-51088

Name of the Vulnerable Software and Affected Versions Oj versions prior to 3.17.2 Description Oj is a JSON parser and Object marshaller for Ruby. A Use-After-Free issue exists when using the Oj::Parser in SAJ mode. The parser fails to protect cached object keys of 35 bytes or more from garbage...

8.7CVSS5.7AI score0.00253EPSS
Exploits0References4
AstraLinux
AstraLinux
added 2026/05/20 5:53 a.m.6 views

Astra Linux – Vulnerability in uriparser

A issue was discovered in uriparser through 0.9.7. The ComposeQueryEngine in UriQuery.c has an integer overflow due to long keys or values, resulting in a buffer overflow...

8.6CVSS7.4AI score0.01233EPSS
Exploits0References2
AstraLinux
AstraLinux
added 2026/05/20 5:53 a.m.7 views

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: caam – fixed an overflow issue when dealing with long HMAC keys. When a key that is longer than the block size is provided, it is copied and then hashed into the actual key. The memory allocated for the copy needs to be...

7.8CVSS5.7AI score0.00129EPSS
Exploits0References1
Debian CVE
Debian CVE
added 2026/05/08 1:31 p.m.11 views

CVE-2026-43330

In the Linux kernel, the following vulnerability has been resolved: crypto: caam - fix overflow on long hmac keys When a key longer than block size is supplied, it is copied and then hashed into the real key. The memory allocated for the copy needs to be rounded to DMA cache alignment, as otherwi...

7.8CVSS5.8AI score0.00129EPSS
Exploits0
NVD
NVD
added 2026/05/01 3:16 p.m.5 views

CVE-2026-43044

In the Linux kernel, the following vulnerability has been resolved: crypto: caam - fix DMA corruption on long hmac keys When a key longer than block size is supplied, it is copied and then hashed into the real key. The memory allocated for the copy needs to be rounded to DMA cache alignment, as...

7.8CVSS0.0012EPSS
Exploits0References5
EUVD
EUVD
added 2026/05/01 2:15 p.m.6 views

EUVD-2026-26643

In the Linux kernel, the following vulnerability has been resolved: crypto: caam - fix DMA corruption on long hmac keys When a key longer than block size is supplied, it is copied and then hashed into the real key. The memory allocated for the copy needs to be rounded to DMA cache alignment, as...

5.8AI score0.0012EPSS
Exploits0References5
Fedora
Fedora
added 2026/04/22 7:50 a.m.8 views

[SECURITY] Fedora 43 Update: opkssh-0.13.0-8.fc43

OpenPubkey SSH is a tool which enables ssh to be used with OpenID Connect allowing SSH access to be managed via identities like aliceaexample.com ins tead of long-lived SSH keys...

7.5CVSS6.1AI score0.00651EPSS
Exploits0
OSV
OSV
added 2025/12/03 9:2 a.m.12 views

RLSA-2023:7877 Low: openssl security update

OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength general-purpose cryptography library. Security Fixes: openssl: Excessive time spent checking DH keys and parameters CVE-2023-3446 OpenSSL: Excessive time spent...

5.9CVSS6.8AI score0.05533EPSS
Exploits1References5
Microsoft CVE
Microsoft CVE
added 2025/03/14 7:0 a.m.6 views

An issue was discovered in uriparser through 0.9.7. ComposeQueryEngine in UriQuery.c has an integer overflow via long keys or values, with a resultant buffer overflow.

...

8.6CVSS7AI score0.01233EPSS
Exploits0
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