Security readout for executives and security teams
Older Mercurial installations could let an authenticated remote user turn a repository access request into Python debugger access, which can lead to arbitrary code execution. The issue is fixed in Mercurial 4.1.3 and vendor security updates. Treat this as important where Mercurial serves repositories to users you do not fully trust. Exposure is most likely on systems running Mercurial before 4.1.3 where hg serve --stdio is reachable by authenticated remote users. General desktop installs without remote repository serving are less likely exposed, based on the provided description. Prioritize remediation for repository servers and build or release infrastructure using Mercurial. The business risk is code execution in source-control environments, which can affect intellectual property, build integrity, and downstream software trust. Mitigation focus: Upgrade Mercurial to 4.1.3 or a vendor-patched package.; Apply relevant Red Hat, Debian, or Gentoo security updates where applicable.; Restrict hg serve --stdio access to trusted authenticated users only..
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
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-9462 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2017:1576CVE reference · vendor-advisory, x_refsource_REDHAT
- https://www.mercurial-scm.org/repo/hg/rev/77eaf9539499CVE reference · x_refsource_CONFIRM
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.1.3_.282017-4-18.29CVE reference · x_refsource_CONFIRM
- [debian-lts-announce] 20180705 [SECURITY] [DLA 1414-1] mercurial security updateCVE reference · mailing-list, x_refsource_MLIST
- GLSA-201709-18CVE reference · vendor-advisory, x_refsource_GENTOO
- https://bugs.debian.org/861243CVE reference · x_refsource_CONFIRM
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.