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Vulnerability · Published Jul 14, 2023 · Assigned by redhat

CVE-2023-38252W3m: out of bounds read in strnew_size() at w3m/str.c

Medium 4.7

In plain English

A medium-severity out-of-bounds read in Red Hat Enterprise Linux 6 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.4%top 70.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20w3m0.5.3.20230718-r0ALPINE-CVE-2023-38252
Alpine:v3.21w3m0.5.3.20230718-r0ALPINE-CVE-2023-38252
Alpine:v3.22w3m0.5.3_git20241203-r0ALPINE-CVE-2023-38252
Alpine:v3.23w3m0.5.3_git20241203-r0ALPINE-CVE-2023-38252
Alpine:v3.24w3m0.5.3_git20241203-r0ALPINE-CVE-2023-38252
Debian:12w3mno fix listedDEBIAN-CVE-2023-38252
Debian:13w3mno fix listedDEBIAN-CVE-2023-38252
Debian:14w3mno fix listedDEBIAN-CVE-2023-38252
Ubuntu:22.04:LTSw3m0.5.3+git20210102-6ubuntu0.2UBUNTU-CVE-2023-38252
Ubuntu:24.04:LTSw3m0.5.3+git20230121-2ubuntu1UBUNTU-CVE-2023-38252

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Enterprise Linux 6 see references

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

References