VULNERABILITY INTELLIGENCE
CVE-2018-10887
CVSS score8.1 HIGH
EPSS probability2.05%
CISA KEVNot currently listed
Published2018-07-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Description
A flaw was found in libgit2 before version 0.27.3. It has been discovered that an unexpected sign extension in git_delta_apply function in delta.c file may lead to an integer overflow which in turn leads to an out of bound read, allowing to read before the base object. An attacker may use this flaw to leak memory addresses or cause a Denial of Service.
Weakness classification
- CWE-125: Out-of-bounds Read
- CWE-190: Integer Overflow or Wraparound
- CWE-194: Unexpected Sign Extension
- CWE-681: Incorrect Conversion between Numeric Types
Primary references
- secalert@redhat.com — Issue Tracking, Patch
- secalert@redhat.com — Patch
- secalert@redhat.com — Patch
- secalert@redhat.com — Patch, Release Notes
- secalert@redhat.com — Mailing List, Third Party Advisory
- secalert@redhat.com — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch
- af854a3a-2127-422b-91ae-364da2661108 — Patch
- af854a3a-2127-422b-91ae-364da2661108 — Patch
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Release Notes
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory