LiveActive security incident?Get immediate response
CVE Record

CVE-2016-9843: The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified...

The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2016-9843 is a zlib 1.2.8 issue in big-endian CRC calculation. The public record describes only possible, context-dependent impact, so business urgency depends on whether affected zlib code is present in exposed products or systems. It is not listed as known exploited in the provided sources. Most relevant exposure is software or operating-system packages carrying zlib 1.2.8 code paths on big-endian platforms. The supplied affected-products field is n/a, so inventory should focus on vendor package data and embedded zlib copies. Treat this as a verification and hygiene item unless inventory confirms affected zlib 1.2.8 in important systems. The incomplete impact detail and no KEV signal reduce urgency, but vendor-published updates justify remediation during normal patch cycles. Mitigation focus: Check operating-system vendor advisories for affected zlib packages.; Update zlib or dependent packages through supported vendor channels.; Identify bundled or statically linked zlib copies in products..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2016-9843 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
24Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.