EUVD-2026-67702
GHSA-69hq-g659-8g9f
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-delivered via malicious server (AV:N), requires victim to initiate fetch (UI:R), no privileges on attacker side (PR:N), availability-only impact on client process (A:H), no scope change.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
gitoxide gix-packetline versions before 0.21.5 contain a panic vulnerability in the TextRef implementation that occurs when processing side-band packet lines with empty payloads. A malicious Git server can send a crafted side-band packet to trigger an index out of bounds panic, aborting the client process during fetch operations without authentication.
AnalysisAI
Index-out-of-bounds panic in gitoxide's gix-packetline library (versions before 0.21.5) allows a malicious Git server to abort the client process during fetch operations by sending a crafted side-band packet line with an empty payload. The TextRef implementation fails to handle zero-length payloads, triggering an unconditional Rust panic that terminates the connecting client. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim client must initiate a Git fetch or clone operation against a server controlled or influenced by the attacker. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:P/VA:H) accurately captures the threat model: network-reachable, low complexity, no server-side privileges required, but dependent on the victim initiating a fetch (UI:P). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade gix-packetline to version 0.21.5 or later, as confirmed by the vendor security advisory GHSA-2vh6-hw4j-32ww. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all systems and applications to identify those running gitoxide versions before 0.21.5. …
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Path traversal in gitoxide before 0.52.1 and gix before 0.83.0 allows an attacker who supplies a malicious git repositor
Credential exfiltration in gitoxide's gix-transport crate allows a server controlling an HTTP redirect response to steal
Credential theft in gitoxide's curl-based HTTP transport backend allows attackers to capture authentication tokens (pass
Arbitrary file write outside the worktree boundary in gix-worktree-state (part of gitoxide) before 0.33.0 on Windows ena
Credential hijacking in gitoxide before 0.38.2 allows remote attackers to redirect credential helper lookups to attacker
Same weakness CWE-191 – Integer Underflow
View allSame technique Integer Overflow
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External POC / Exploit Code
Leaving vuln.today