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lz4

Vendor: lz4_project

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Actively Exploited 0 CISA KEV List
PoC / Exploits 0 Code Available
Total RCEs 1 Remote Access
Total CVEs 2 Total Indexed
Avg. EPSS 5.02% Exploit Prob.
Latest CVE CVE-2021-3520 Jun 02

Security Vulnerability Index

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9.8 CVSS
CVE-2021-3520

There's a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well.

EPSS: 3.19%
8.1 CVSS
CVE-2019-17543
RCE

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."

EPSS: 9.12%
5.0 CVSS
CVE-2014-4715

Yann Collet LZ4 before r119, when used on certain 32-bit platforms that allocate memory beyond 0x80000000, does not properly detect integer overflows, which allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted Literal Run, a different vulnerability than CVE-2014-4611.

EPSS: 2.75%