CVE-2023-38253: fedoraproject extra_packages_for_enterprise_linux Out-of-bounds Read
CVSS: 5.5v3.1MediumModified
AliasesALPINE-CVE-2023-38253UBUNTU-CVE-2023-38253DEBIAN-CVE-2023-38253
Published 14-07-2023Last modified 13-02-2025
Vulnerability summary
CVE-2023-38253 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in fedoraproject extra_packages_for_enterprise_linux. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.2% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.36%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 14-07-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
An out-of-bounds read flaw was found in w3m, in the growbuf_to_Str function in indep.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file.
CVSS metrics
5 scores · 5 sources · 1 versionMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSources5 sources · 4.7–5.5
- CVE.orgCNA4.7MediumCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:HDiffers
- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
28%
Versus all other CVEs
30-day change
0.00 pp
From 0.36% on 21-09-2026
21-09-202621-10-2026
EPSS score0.36%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundW3M
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Fedoraproject2 products
Alpine1 product
- w3m< 0.5.3_git20241203-r0
Debian1 product
- w3mAll versions (No fix recorded)
Redhat1 product
- enterprise_linuxEOL6.0
Tats1 product
- w3m0.5.3\+git20230121
Ubuntu1 product
- w3mAll versions (No fix recorded) | < 0.5.3-36ubuntu0.1+esm1 | < 0.5.3-37ubuntu0.2 | < 0.5.3+git20210102-6ubuntu0.2 | < 0.5.3+git20230121-2ubuntu1
6 vendors · 7 products
