CVE-2023-38253: W3m: out of bounds read in growbuf_to_str() at w3m/indep.c
First published: Thu Jul 13 2023(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tats W3m | =0.5.3\+git20230121 | |
| Fedoraproject Extra Packages For Enterprise Linux | =8.0 | |
| Fedoraproject Fedora | =38 | |
| Redhat Enterprise Linux | =6.0 | |
| W3m Project W3m | =0.5.3\+git20230121 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://access.redhat.com/security/cve/CVE-2023-38253
- https://github.com/tats/w3m/issues/271
- https://bugzilla.redhat.com/show_bug.cgi?id=2222779
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2222781
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2222780
- https://access.redhat.com/security/cve/cve-2023-38253
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AULOBQJLXE2KCT5UVQMKGEFL4GFIAOED/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TODROGVCWZ435HQIZE6ARQC5LPQLIA5C/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKFZQUK7FPWWJQYICDZZ4YWIPUPQ2D3R/
Frequently Asked Questions
What is CVE-2023-38253?
CVE-2023-38253 is an out-of-bounds read flaw in w3m, which may allow an attacker to cause a denial of service through a crafted HTML file.
What is the severity of CVE-2023-38253?
The severity of CVE-2023-38253 is medium, with a severity value of 5.5.
How does CVE-2023-38253 affect w3m?
CVE-2023-38253 affects versions of w3m up to and including 0.5.3+git20230121.
How can I fix CVE-2023-38253?
To fix CVE-2023-38253, update w3m to a version higher than 0.5.3+git20230121.
Where can I find more information about CVE-2023-38253?
For more information about CVE-2023-38253, you can refer to the following references: [1] [2] [3].
- collector/nvd-latest
- collector/nvd-index
- agent/type
- agent/first-publish-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2023-38253
- agent/author
- agent/softwarecombine
- agent/description
- agent/weakness
- agent/severity
- agent/event
- agent/title
- collector/mitre-cve
- source/MITRE
- agent/references
- collector/epss-latest
- source/FIRST
- agent/epss
- agent/tags
- agent/last-modified-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/w3m project
- canonical/w3m project w3m
- version/w3m project w3m/0.5.3\+git20230121
- vendor/fedoraproject
- canonical/fedoraproject extra packages for enterprise linux
- version/fedoraproject extra packages for enterprise linux/8.0
- canonical/fedoraproject fedora
- version/fedoraproject fedora/38
- vendor/redhat
- canonical/redhat enterprise linux
- version/redhat enterprise linux/6.0
- vendor/tats
- canonical/tats w3m
- version/tats w3m/0.5.3\+git20230121