Alpine: libgit2-0.27: security update to 0.27.3-r0

high Tenable Cloud Security Plugin ID 405181

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- 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. (CVE-2018-10887)

- 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. (CVE-2018-10888)

See Also

https://security.alpinelinux.org/vuln/CVE-2018-10887

https://security.alpinelinux.org/vuln/CVE-2018-10888

Plugin Details

Severity: High

ID: 405181

Version: Revision 1.25

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.04

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:P

CVSS Score Source: CVE-2018-10887

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/9/2018

Reference Information

CVE: CVE-2018-10887, CVE-2018-10888