CVE-2023-5344: fedoraproject fedora Heap-based Buffer Overflow
CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2023-5344UBUNTU-CVE-2023-5344DEBIAN-CVE-2023-5344
Published 02-10-2023Last modified 03-11-2025
Vulnerability summary
CVE-2023-5344 is a high (CVSS 7.5) Heap-based Buffer Overflow vulnerability in fedoraproject fedora. EPSS estimates a 1.27% chance of exploitation in the next 30 days, higher than 69.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.27%
0%100%
Low · +0.08 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 02-10-2023PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
Description
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1969.
CVSS metrics
7 scores · 5 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 4.0Preferred score · CVE.org (CNA)
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated4.0MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- NVDNIST4.0MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
1.27%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
+0.08 pp
From 1.19% on 19-09-2026
19-09-202619-10-2026
EPSS score1.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (huntr.dev)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Alpine1 product
- vim< 9.0.2073-r0 | < 9.0.1994-r0
Debian1 product
- vim< 2:9.0.1378-2+deb12u1 | < 2:9.0.2018-1
Fedoraproject1 product
- fedoraEOL37 | 38
Ubuntu1 product
- vim< 2:7.4.052-1ubuntu3.1+esm14 | < 2:7.4.1689-3ubuntu1.5+esm20 | < 2:8.0.1453-1ubuntu1.13+esm6 | < 2:8.1.2269-1ubuntu5.20 | < 2:8.2.3995-1ubuntu2.13
5 vendors · 6 products
References
18 links- lists.fedoraproject.org/archives/…Mailing List
- lists.fedoraproject.org/archives/…Mailing List
