CVE-2023-37013

Open5GS MME versions = 2.6.4 contains an assertion that can be remotely triggered via a sufficiently large ASN.1 packet over the S1AP interface. An attacker may repeatedly send such an oversized packet to cause the ogssctprecvmsg routine to reach an unexpected network state and crash, leading to...

CVE-2023-37008

Open5GS MME versions = 2.6.4 contain a buffer overflow in the ASN.1 deserialization function of the S1AP handler. This buffer overflow causes type confusion in decoded fields, leading to invalid parsing and freeing of memory. An attacker may use this to crash an MME or potentially execute code in...

CVE-2023-37011

Open5GS MME versions = 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a Handover Required message missing a required MMEUES1APID field to repeatedly crash the MME, resulting in denial of service...

CVE-2023-37014

Open5GS MME versions = 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a UE Context Release Request message missing a required MMEUES1APID field to repeatedly crash the MME, resulting in denial of service...

CVE-2023-37003

Open5GS MME versions = 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send an E-RAB Setup Response message missing a required MMEUES1APID field to repeatedly crash the MME, resulting in denial of service...

CVE-2023-37018

Open5GS MME versions = 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a UE Capability Info Indication message missing a required MMEUES1APID field to repeatedly crash the MME, resulting in denial of service...

CVE-2023-37010

Open5GS MME versions = 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send an eNB Status Transfer message missing a required MMEUES1APID field to repeatedly crash the MME, resulting in denial of service...

CVE-2023-37012

Open5GS MME versions = 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send an Initial UE Message message missing a required PLMN Identity field to repeatedly crash the MME, resulting in denial of service...

CVE-2022-34476

ASN.1 parsing of an indefinite SEQUENCE inside an indefinite GROUP could have resulted in the parser accepting malformed ASN.1. This vulnerability affects Firefox 102...

CVE-2022-44640

Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center KDC...

CVE-2021-30737

A memory corruption issue in the ASN.1 decoder was addressed by removing the vulnerable code. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, iOS 12.5.4, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously craft...

CVE-2021-27343

SerenityOS Unspecified is affected by: Buffer Overflow. The impact is: obtain sensitive information context-dependent. The component is: /Userland/Libraries/LibCrypto/ASN1/DER.h Crypto::derdecodesequence function. The attack vector is: Parsing RSA Key ASN.1...

CVE-2019-13470

MatrixSSL before 4.2.1 has an out-of-bounds read during ASN.1 handling...

CVE-2019-17359

The ASN.1 parser in Bouncy Castle Crypto aka BC Java 1.63 can trigger a large attempted memory allocation, and resultant OutOfMemoryError error, via crafted ASN.1 data. This is fixed in 1.64...

CVE-2017-1000416

axTLS version 1.5.3 has a coding error in the ASN.1 parser resulting in the year 1950 of UTCTime being misinterpreted as 2050...

CVE-2006-6836

Multiple unspecified vulnerabilities in osp-cert in IBM OS/400 V5R3M0 have unspecified impact and attack vectors, related to ASN.1 parsing...

CVE-2025-37984

In the Linux kernel, the following vulnerability has been resolved: crypto: ecdsa - Harden against integer overflows in DIVROUNDUP Herbert notes that DIVROUNDUP may overflow unnecessarily if an ecdsa implementation's -keysize callback returns an unusually large value. Herbert instead suggests for...

ALSA-2025:7077 Moderate: libtasn1 security update

A library that provides Abstract Syntax Notation One ASN.1, as specified by the X.680 ITU-T recommendation parsing and structures management, and Distinguished Encoding Rules DER, as per X.690 encoding and decoding functions. Security Fixes: libtasn1: Inefficient DER Decoding in libtasn1 Leading ...

Moderate: libtasn1 security update

A library that provides Abstract Syntax Notation One ASN.1, as specified by the X.680 ITU-T recommendation parsing and structures management, and Distinguished Encoding Rules DER, as per X.690 encoding and decoding functions. Security Fixes: libtasn1: Inefficient DER Decoding in libtasn1 Leading ...

Amazon Linux 2023 : gnutls, gnutls-c++, gnutls-dane (ALAS2023-2025-958)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-958 advisory. A flaw was found in GnuTLS, which relies on libtasn1 for ASN.1 data processing. Due to an inefficient algorithm in libtasn1, decoding certain DER-encoded certificate data can take excessive time, leadin...