Description (CNA)
An out-of-bounds write issue has been discovered in the backspace handling of the checkType() function in etc.c within the W3M application. This vulnerability is triggered by supplying a specially crafted HTML file to the w3m binary. Exploitation of this flaw could lead to application crashes, resulting in a denial of service condition.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / w3m | affected |
| Fedora / Fedora | affected |
| Fedora / Extra Packages for Enterprise Linux | affected |
CWE
CWE-787
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2255207
- https://github.com/tats/w3m/commit/edc602651c506aeeb60544b55534dd1722a340d3
- https://github.com/tats/w3m/issues/268
- https://github.com/tats/w3m/pull/273
- 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/
ADP enrichment
No English description supplied.
- https://bugzilla.redhat.com/show_bug.cgi?id=2255207
- https://github.com/tats/w3m/commit/edc602651c506aeeb60544b55534dd1722a340d3
- https://github.com/tats/w3m/issues/268
- https://github.com/tats/w3m/pull/273
- 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/