CVE-2018-10888: debian debian_linux Improper Input Validation
CVSS: 6.5v3.1MediumModified
AliasesALPINE-CVE-2018-10888UBUNTU-CVE-2018-10888DEBIAN-CVE-2018-10888
Published 10-07-2018Last modified 16-09-2024
Vulnerability summary
CVE-2018-10888 is a medium (CVSS 6.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 1.85% chance of exploitation in the next 30 days, higher than 78.7% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.85%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 4 · Related 2Timeline
- 10-07-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
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 metrics
6 scores · 4 sources · 3 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 6.5Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.85%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
0.00 pp
From 1.85% on 19-09-2026
19-09-202619-10-2026
EPSS score1.85%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
Affected systems
Debian2 products
- libgit2< 0.27.4+dfsg.1-0.1
- debian_linuxEOL8.0 | 9.0
Alpine1 product
- libgit2< 0.27.3-r0
Libgit21 product
- libgit2< version 0.27.3 | < 0.27.3
Ubuntu1 product
- libgit2< 0.19.0-2ubuntu0.4 | < 0.24.1-2ubuntu0.2 | < 0.26.0+dfsg.1-1.1ubuntu0.2
4 vendors · 5 products
References
9 links- github.com/libgit2/libgit2/commit/9844d38bed10e9ff17174434b3421b227ae710f3X Refsource CONFIRMPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2018/08/msg00024.htmlMailing ListX Refsource MLISTThird Party Advisory- github.com/libgit2/libgit2/releases/tag/v0.27.3X Refsource CONFIRMPatchRelease NotesThird Party AdvisoryREPORT
- bugzilla.redhat.com/show_bug.cgi?id=1598024X Refsource CONFIRMIssue TrackingPatchThird Party AdvisoryREPORT
- lists.debian.org/debian-lts-announce/2022/03/msg00031.htmlMailing ListX Refsource MLISTThird Party Advisory