What’s Vulnerable › Vulnerabilities

CVE-2017-15873

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-10-24 · updated 2026-06-17
• Weakness: CWE-190

Description

The get_next_block function in archival/libarchive/decompress_bunzip2.c in BusyBox 1.27.2 has an Integer Overflow that may lead to a write access violation.

Affected products

• busybox: 1.27.2
• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 18.10
• Debian Linux: 8.0, 9.0

References

• https://bugs.busybox.net/show_bug.cgi?id=10431
• https://git.busybox.net/busybox/commit/?id=0402cb32df015d9372578e3db27db47b33d5c7b0
• https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
• https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
• https://usn.ubuntu.com/3935-1/
• https://bugs.busybox.net/show_bug.cgi?id=10431
• https://git.busybox.net/busybox/commit/?id=0402cb32df015d9372578e3db27db47b33d5c7b0
• https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
• https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
• https://usn.ubuntu.com/3935-1/

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