Security readout for executives and security teams
CVE-2017-9049 is a libxml2 memory-read flaw that can crash software using the library, including PHP applications. The main business risk is denial of service where untrusted XML is parsed. The supplied sources do not show data theft, code execution, or confirmed active exploitation. Exposure is most likely on servers, containers, and applications using affected libxml2 builds to parse XML, especially internet-facing services or PHP runtimes that accept untrusted XML. The source bundle does not provide a complete affected-version range or CPE list. Treat this as a high-priority availability risk for externally reachable XML-processing services. It is older, but legacy operating systems and containers may still carry vulnerable packages. Prioritize patch verification where outages would affect customers or critical operations. Mitigation focus: Apply vendor libxml2 security updates from supported OS distributions.; Review Debian DSA-3952 and Gentoo GLSA-201711-01 guidance for package remediation.; Upgrade unsupported images or runtimes that still carry vulnerable libxml2 builds..
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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Open ATT&CK lookupCVE-2017-9049 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
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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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- GLSA-201711-01CVE 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 Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.