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CVE-2017-15873

MEDIUM
5.5
CVSS Score
Published: October 24, 2017 at 08:00 PM UTC
Updated: June 17, 2026 at 01:08 AM UTC
3 products affected across 3 vendorsDebian LinuxUbuntu LinuxBusyBox

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Severity
MEDIUM5.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://bugs.busybox.net/show_bug.cgi?id=10431
x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://git.busybox.net/busybox/commit/?id=0402cb32df015d9372578e3db27db47b33d5c7b0
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3935-1/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190

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