Tukaani maintains the XZ compression library, a widely embedded utility in Linux distributions and software build systems that processes untrusted compressed data as part of normal operation. Observed vulnerabilities in this library cluster around input-validation weaknesses, buffer-handling flaws, and validation-sequencing issues that reflect the attack surface inherent to a decompression parser. Current severity, exploitation activity, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Tukaani over time
Signals from CVEs in this vendor scope (5 CVEs).
5 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2024-3094CRITICAL Malicious code was discovered in the upstream tarballs of xz, starting with version 5.6.0.
Through a series of complex obfuscations, the liblzma build process extracts a prebuilt | Mar 29, 2024 | 10.0 | 89 | NO | YES |
CVE-2022-1271HIGH An arbitrary file write vulnerability was found in GNU gzip's zgrep utility. When zgrep is applied on the attacker's chosen file name (for example, a crafted file name), this can o | Aug 31, 2022 | 8.8 | 30 | NO | NO |
CVE-2026-34743MEDIUM XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzma_index_decoder() was used to decode an Index that contained no R | Apr 2, 2026 | 5.3 | 25 | NO | NO |
CVE-2015-4035HIGH scripts/xzgrep.in in xzgrep 5.2.x before 5.2.0, before 5.0.0 does not properly process file names containing semicolons, which allows remote attackers to execute arbitrary code by | Jul 25, 2017 | 7.8 | 20 | NO | NO |
CVE-2020-22916MEDIUM An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of a crafted file. NOTE: the vendor disputes the claims of "endless output" and "den | Aug 22, 2023 | 5.5 | 16 | NO | NO |
Signals from CVEs in this vendor scope (5 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Tukaani.
Media articles that mention a CVE ID that affects a product developed by Tukaani — matched by CVE ID, not by vendor name.