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CVE-2020-10531

ICU: Integer overflow in UnicodeString::doAppend()

An issue was discovered in International Components for Unicode (ICU) for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend() function in common/unistr.cpp.

CVSS 3.1 · 8.8 High EPSS 2.7% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 6 more
Products
Ubuntu Linux Debian Linux Fedora and 12 more
CVE-2020-10029

glibc: stack corruption from crafted input in cosl, sinl, sincosl, and tanl functions

The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function contains a non-canonical bit pattern, a seen when passing a 0x5d414141414141410000 value to sinl on x86 targets. This is related to sysdeps/ieee754/ldbl-96/e_rem_pio2l.c.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 4 more
Products
Ubuntu Linux Debian Linux Fedora and 15 more
CVE-2019-19906

cyrus-sasl: denial of service in _sasl_add_string function

cyrus-sasl (aka Cyrus SASL) 2.1.27 has an out-of-bounds write leading to unauthenticated remote denial-of-service in OpenLDAP via a malformed LDAP packet. The OpenLDAP crash is ultimately caused by an off-by-one error in _sasl_add_string in common.c in cyrus-sasl.

CVSS 3.1 · 7.5 High EPSS 8.0% KEV · Not listed
Vendors
Apache Apple Canonical and 5 more
Products
Bookkeeper Ipados Iphone Os and 17 more
CVE-2019-5188

e2fsprogs: Out-of-bounds write in e2fsck/rehash.c

A code execution vulnerability exists in the directory rehashing functionality of E2fsprogs e2fsck 1.45.4. A specially crafted ext4 directory can cause an out-of-bounds write on the stack, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.

CVSS 3.1 · 7.5 High EPSS 1.1% KEV · Not listed
Vendors
Canonical Debian E2fsprogs Project and 4 more
Products
Ubuntu Linux Debian Linux E2fsprogs and 7 more
CVE-2019-5094

e2fsprogs: Crafted ext4 partition leads to out-of-bounds write

An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.

CVSS 3.1 · 7.5 High EPSS 1.1% KEV · Not listed
Vendors
Canonical Debian E2fsprogs Project and 3 more
Products
Ubuntu Linux Debian Linux E2fsprogs and 5 more
CVE-2019-3863

libssh2: Integer overflow in user authenticate keyboard interactive allows out-of-bounds writes

A flaw was found in libssh2 before 1.8.1 creating a vulnerability on the SSH client side. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used by the SSH client as an index to copy memory causing in an out of bounds memory write error.

CVSS 3.0 · 7.5 High EPSS 3.5% KEV · Not listed
Vendors
Debian Libssh2 Netapp and 2 more
Products
Debian Linux Libssh2 Ontap Select Deploy Administration Utility and 12 more
CVE-2019-3857

libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

CVSS 3.1 · 8.8 High EPSS 6.2% KEV · Not listed
Vendors
Debian Fedoraproject Libssh2 and 4 more
Products
Debian Linux Fedora Libssh2 and 14 more
CVE-2019-3856

libssh2: Integer overflow in keyboard interactive handling resulting in out of bounds write

An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

CVSS 3.1 · 8.8 High EPSS 6.2% KEV · Not listed
Vendors
Debian Fedoraproject Libssh2 and 4 more
Products
Debian Linux Fedora Libssh2 and 14 more
CVE-2019-3855

libssh2: Integer overflow in transport read resulting in out of bounds write

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

CVSS 3.1 · 8.8 High EPSS 9.3% KEV · Not listed
Vendors
Apple Debian Fedoraproject and 5 more
Products
Xcode Debian Linux Fedora and 15 more
CVE-2019-18224

libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c

idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.

CVSS 3.1 · 9.8 Critical EPSS 3.7% KEV · Not listed
Vendors
Gnu Redhat
Products
Libidn2 Enterprise Linux
CVE-2019-17543

lz4: heap-based buffer overflow in LZ4_write32

LZ4 before 1.9.2 has a heap-based buffer overflow in LZ4_write32 (related to LZ4_compress_destSize), affecting applications that call LZ4_compress_fast with a large input. (This issue can also lead to data corruption.) NOTE: the vendor states "only a few specific / uncommon usages of the API are at risk."

CVSS 3.1 · 8.1 High EPSS 10.5% KEV · Not listed
Vendors
Lz4 Project
Products
Lz4
CVE-2019-12900

bzip2: bzip2: Data integrity error when decompressing (with data integrity tests fail).

BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.

CVSS 3.1 · 9.8 Critical EPSS 8.0% KEV · Not listed
Vendors
Bzip Canonical Debian and 4 more
Products
Bzip2 Ubuntu Linux Debian Linux and 6 more
CVE-2019-11360

iptables: buffer overflow in iptables-restore

A buffer overflow in iptables-restore in netfilter iptables 1.8.2 allows an attacker to (at least) crash the program or potentially gain code execution via a specially crafted iptables-save file. This is related to add_param_to_argv in xshared.c.

CVSS 3.1 · 4.2 Medium EPSS 2.2% KEV · Not listed
Vendors
Netfilter
Products
Iptables
CVE-2017-0663

libxml2: Heap buffer overflow in xmlAddID

A remote code execution vulnerability in libxml2 could enable an attacker using a specially crafted file to execute arbitrary code within the context of an unprivileged process. This issue is rated as High due to the possibility of remote code execution in an application that uses this library. Product: Android. Versions: 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2. Android ID: A-37104170.

CVSS 3.0 · 7.8 High EPSS 2.3% KEV · Not listed
Vendors
Google
Products
Android
CVE-2026-21413

LibRaw: LibRaw: Arbitrary code execution via heap-based buffer overflow in lossless JPEG loading

A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545 and Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

CVSS 3.1 · 9.8 Critical EPSS 1.4% KEV · Not listed
Vendors
Libraw
Products
Libraw
CVE-2026-106432

Heap buffer overflow via 32-bit string-length truncation in MongoDB PHP Driver

The BSON encoder in the MongoDB PHP Driver converts a string length to a 32-bit value without validation. When an affected application encodes a string near 4 GiB, the allocation size can wrap while the copy operation uses the original length. The resulting heap buffer overflow can corrupt process memory or terminate the PHP process. Reaching this issue requires a non-default runtime configuration that permits multi-gigabyte values. No MongoDB server interaction is required.

CVSS 4.0 · 2 Low EPSS < 1% KEV · Not listed
Vendors
Mongodb
Products
Php Driver
CVE-2026-109255

FreeRDP 3.0.0 before 3.32.0 heap buffer overflow via license_check_stream_length

FreeRDP 3.0.0 before 3.32.0 contains an integer truncation vulnerability in license_check_stream_length that allows a malicious RDP server to trigger a heap buffer overflow on 32-bit clients. Attackers can send a crafted SERVER_LICENSE_REQUEST with a large scopeCount that bypasses length checks, causing out-of-bounds writes leading to denial of service or remote code execution.

CVSS 4.0 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Freerdp
Products
Freerdp
CVE-2026-109250

FreeRDP 3.0.0 before 3.32.0 Heap Buffer Overflow via PKCS#11 collect_keys()

FreeRDP 3.0.0 before 3.32.0 contains a heap buffer overflow vulnerability in collect_keys() that allows local attackers to write past the fixed 64-entry keys array during PKCS#11 key enumeration. Attackers controlling smartcard tokens can present more than 64 public key objects across multiple slots to corrupt heap memory with attacker-chosen CKA_ID and CKA_LABEL data during smartcard logon.

CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
Vendors
Freerdp
Products
Freerdp