CVE-2018-10888

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 6.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
78%
KEV
Not listed

Published

July 10, 2018

Last Modified

November 21, 2024

References (10)

Affected Packages

(10 across 10 ecosystems)
Alpine:v3.10(1)
PackageVulnerable rangeFixed inDependents
libgit20.23.2-r0 ... 0.27.2-r0 (19 versions)0.27.3-r0—
Alpine:v3.11(1)
PackageVulnerable rangeFixed inDependents
libgit20.23.2-r0 ... 0.27.2-r0 (19 versions)0.27.3-r0—
Alpine:v3.8(1)
PackageVulnerable rangeFixed inDependents
libgit20.23.2-r0 ... 0.27.2-r0 (19 versions)0.27.3-r0—
Alpine:v3.9(1)
PackageVulnerable rangeFixed inDependents
libgit20.23.2-r0 ... 0.27.2-r0 (19 versions)0.27.3-r0—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
libgit2—0.27.4+dfsg.1-0.1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
libgit2—0.27.4+dfsg.1-0.1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
libgit2—0.27.4+dfsg.1-0.1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
libgit2—0.27.4+dfsg.1-0.1—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
libgit20.21.1-30.21.1-3+deb8u1—
Debian:9(1)
PackageVulnerable rangeFixed inDependents
libgit20.25.1+really0.24.6-10.25.1+really0.24.6-1+deb9u1—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 136 total refreshes for this CVE.

  1. 2026-09-07 15:56 UTCEPSS rescore
  2. 2026-09-05 15:24 UTCEPSS rescore
  3. 2026-09-04 13:56 UTCEPSS rescore
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  25. 2026-08-06 16:09 UTCOSV refresh
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  1. 2026-08-06 13:42 UTCEPSS rescore
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  12. 2026-07-23 14:15 UTCEPSS rescore
  13. 2026-07-23 01:32 UTCEG score recompute
  14. 2026-07-22 22:12 UTCEG score recompute
  15. 2026-07-22 14:04 UTCEPSS rescore
  16. 2026-07-21 15:21 UTCEPSS rescore
  17. 2026-07-21 09:17 UTCOSV refresh
  18. 2026-07-20 17:04 UTCEPSS rescore
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  20. 2026-07-19 14:28 UTCEPSS rescore
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  24. 2026-07-18 10:01 UTCEPSS rescore
  25. 2026-07-16 16:59 UTCEPSS rescore
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  45. 2026-07-04 04:56 UTCOSV refresh
  46. 2026-07-02 16:54 UTCEPSS rescore
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  48. 2026-06-30 23:19 UTCEPSS rescore
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  55. 2026-06-25 13:47 UTCEPSS rescore
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  72. 2026-06-15 16:43 UTCOSV refresh
  73. 2026-06-14 23:14 UTCEPSS rescore
  74. 2026-06-14 23:14 UTCEPSS rescore
  75. 2026-06-13 22:58 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-10888?
CVE-2018-10888 is a medium vulnerability published on July 10, 2018. A flaw was found in libgit2 before version 0.27.3. A missing check in gitdeltaapply 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.
When was CVE-2018-10888 disclosed?
CVE-2018-10888 was first published in the National Vulnerability Database on July 10, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-10888 actively exploited?
CVE-2018-10888 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 22.3% of all scored CVEs.
What is the CVSS score of CVE-2018-10888?
CVE-2018-10888 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2018-10888?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-10888, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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