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CVE-2017-12902

CRITICAL
9.8
CVSS Score
Published: September 14, 2017 at 06:00 AM UTC
Updated: June 17, 2026 at 01:04 AM UTC
5 products affected across 3 vendorsDebian LinuxEnterprise Linux DesktopEnterprise Linux Server

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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%
SSVC
No known exploit

Description

The Zephyr parser in tcpdump before 4.9.2 has a buffer over-read in print-zephyr.c, several functions.

Affected

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

References (8)

Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
http://www.debian.org/security/2017/dsa-3971
VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1039307
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://www.tcpdump.org/tcpdump-changes.txt
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHEA-2018:0705
x_refsource_CONFIRMIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/the-tcpdump-group/tcpdump/commit/6ec0c6fa63412c7a07a5bcb790a529c3563b4173
x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/the-tcpdump-group/tcpdump/commit/d17507ffa3e9742199b02a66aa940e79ababfa30
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/201709-23
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://support.apple.com/HT208221

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

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

CVSS

9.8CRITICALCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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