CVE-2018-6197 — NULL Pointer Dereference in W3M

CWE-476 — NULL Pointer DereferenceCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer12 documents8 sources
Severity
7.5HIGHNVD
EPSS
0.5%
top 33.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tats W3MCanonical Ubuntu Linux
Timeline
PublishedJan 25
Latest updateMay 14

Description

w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶Debiantats/w3m< 0.5.3-36+3
▶Ubuntutats/w3m< 0.5.3-15ubuntu0.2+1
▶NVDtats/w3m0.5.3

Also affects: Ubuntu Linux 12.04, 14.04, 16.04, 17.10

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
GHSA
GHSA-w7fh-6798-hqc2: w3m through 0↗2022-05-14
▶
OSV
w3m vulnerabilities↗2018-02-01
▶
OSV
CVE-2018-6197: w3m through 0↗2018-01-25
▶
CVEList
CVE-2018-6197: w3m through 0↗2018-01-25
▶

📋Vendor Advisories

4
Ubuntu
w3m vulnerabilities↗2018-02-01
▶
Ubuntu
w3m vulnerabilities↗2018-02-01
▶
Red Hat
w3m: Null pointer dereference in formUpdateBuffer in form.c↗2018-01-26
▶
Debian
CVE-2018-6197: w3m - w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffe...↗2018
▶

💬Community

3
Bugzilla
CVE-2018-6197 w3m: Null pointer dereference in formUpdateBuffer in form.c [fedora-all]↗2018-01-26
▶
Bugzilla
CVE-2018-6197 w3m: Null pointer dereference in formUpdateBuffer in form.c↗2018-01-26
▶
Bugzilla
CVE-2018-6197 w3m: Null pointer dereference in formUpdateBuffer in form.c [epel-7]↗2018-01-26
▶
CVE-2018-6197 — NULL Pointer Dereference in Tats W3M | cvebase