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TI-2018-07701 Aliases CVE-2018-10888GHSA-mwfj-cw48-q48m

Improper input validation in libgit2

Priority LOW 33CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

A flaw was found in libgit2 before version 0.27.3. A missing check in git_delta_apply function in delta.c file, may lead to an out-of-bound read while reading a binary delta file. An attacker may use this flaw to cause a Denial of Service.

Why it matters now

EPSS 0.01848 79th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
libgit2libgit2before version 0.27.3—No fix listedCNA
  • libgit2 Vendorlibgit2 Affected before version 0.27.3 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:libgit2:libgit2:*:*:*:*:*:*:*:*before 0.27.3Vulnerablelibgit2
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:libgit2:libgit2:*:*:*:*:*:*:*:* Versions before 0.27.3 Vulnerable ·libgit2
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-10888
  2. 2026-10-03 Alias added: GHSA-mwfj-cw48-q48m

References

Patch 3

Advisory 2

  • TI-2014-07619 Git before 1.8.5.6, 1.9.x before 1.9.5, 2.0.x before 2.0.5, 2.1.x before 2.1.4, and 2.2.x… CVSS 3.1CRITICAL 9.8
  • TI-2024-16198 libgit2 is vulnerable to arbitrary code execution due to heap corruption in `git_index_add` CVSS 3.1CRITICAL 9.8
  • TI-2020-09811 An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. CVSS 3.1CRITICAL 9.8
  • TI-2020-09810 An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. CVSS 3.1CRITICAL 9.8
  • TI-2018-11055 In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a… CVSS 3.1HIGH 7.5
  • TI-2018-07700 Out-of-bounds read in libgit2 CVSS 3.1HIGH 8.1
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences