Security readout for executives and security teams
This is a low-severity curl/libcurl issue affecting older versions before 7.51.0 on 32-bit systems. A very large username value could cause an under-allocated buffer during base64 encoding, risking limited memory corruption impact. It is unlikely to be urgent for most modern fleets unless legacy 32-bit systems remain in use. Exposure is most plausible on legacy 32-bit hosts or embedded systems running curl/libcurl before 7.51.0, especially where applications allow a low-privileged local user to influence CURLOPT_USERNAME values. Treat this as routine legacy risk cleanup, not an emergency response item. Prioritize it during patch cycles, with attention to 32-bit or embedded environments where outdated curl packages may persist. Mitigation focus: Upgrade curl/libcurl to version 7.51.0 or a vendor-fixed package.; Apply relevant distribution advisories from Red Hat, Gentoo, Oracle, or your platform vendor.; Inventory legacy 32-bit systems for vulnerable curl/libcurl versions..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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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.
CWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2016-8617 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
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.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N1.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
3.3LowVector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://curl.haxx.se/docs/adv_20161102C.htmlCVE reference · x_refsource_CONFIRM
- RHSA-2018:3558CVE reference · vendor-advisory, x_refsource_REDHAT
- https://curl.haxx.se/CVE-2016-8617.patchCVE reference · x_refsource_CONFIRM
- https://www.tenable.com/security/tns-2016-21CVE reference · x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8617CVE reference · x_refsource_CONFIRM
- RHSA-2018:2486CVE reference · vendor-advisory, x_refsource_REDHAT
- GLSA-201701-47CVE reference · vendor-advisory, x_refsource_GENTOO
- [bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8CVE reference · mailing-list, x_refsource_MLIST
- [bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8CVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.