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Fencer Vulns
medium 4.3

CVE-2005-3183 json

The HTBoundary_put_block function in HTBound.c for W3C libwww (w3c-libwww) allows remote servers to cause a denial of service (segmentation…

published 2005-10-12 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-3182

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

The HTBoundary_put_block function in HTBound.c for W3C libwww (w3c-libwww) allows remote servers to cause a denial of service (segmentation fault) via a crafted multipart/byteranges MIME message that triggers an out-of-bounds read.

Patch / fix

  • w3c-libwww RHEL 4 5.4.0-10.1.RHEL4.2
  • w3c-libwww-apps RHEL 4 5.4.0-10.1.RHEL4.2

red hat advisories RHSA-2007:0208

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2005-3183 updated

Multiple bugs in libwww - one exploitable - in Library/src/HTBound.c

  • Red Hat Enterprise Linux AS version 4 w3c-libwww 5.4.0-10.1.RHEL4.2, w3c-libwww-apps 5.4.0-10.1.RHEL4.2 Red Hat Enterprise Linux Desktop version 4 w3c-libwww 5.4.0-10.1.RHEL4.2, w3c-libwww-apps 5.4.0-10.1.RHEL4.2 Red Hat Enterprise Linux ES version 4 w3c-libwww 5.4.0-10.1.RHEL4.2, w3c-libwww-apps 5.4.0-10.1.RHEL4.2 Red Hat Enterprise Linux WS version 4 w3c-libwww 5.4.0-10.1.RHEL4.2, w3c-libwww-apps 5.4.0-10.1.RHEL4.2
    fixed: vendor fix RHSA-2007:0208

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.10% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.redhat.com https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=159597 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.