CVE-2010-2253

CVE-2010-2253 is a medium-severity vulnerability in Gisle Aas Libwww-perl with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

• Severity: Medium (CVSS 2.0 base score 6.8)
• EPSS exploit prediction: 3% (87th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-20
• Affected product: Gisle Aas Libwww-perl
• Published: 2010-07-06
• Last modified: 2026-06-16

Description

lwp-download in libwww-perl before 5.835 does not reject downloads to filenames that begin with a . (dot) character, which allows remote servers to create or overwrite files via (1) a 3xx redirect to a URL with a crafted filename or (2) a Content-Disposition header that suggests a crafted filename, and possibly execute arbitrary code as a consequence of writing to a dotfile in a home directory.

Frequently asked questions

What is CVE-2010-2253?

lwp-download in libwww-perl before 5.835 does not reject downloads to filenames that begin with a . (dot) character, which allows remote servers to create or overwrite files via (1) a 3xx redirect to a URL with a crafted filename or (2) a Content-Disposition header that suggests a crafted filename, and possibly execute arbitrary code as a consequence of writing to a dotfile in a home directory.

How severe is CVE-2010-2253?

CVE-2010-2253 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2010-2253 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2253?

CVE-2010-2253 primarily affects Gisle Aas Libwww-perl. In total, 122 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-2253?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-2253 published?

CVE-2010-2253 was published on 2010-07-06 and last updated on 2026-06-16.

References

• http://cpansearch.perl.org/src/GAAS/libwww-perl-5.836/Changes
• http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050232.html
• http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050245.html
• http://marc.info/?l=oss-security&m=127411372529485&w=2
• http://marc.info/?l=oss-security&m=127611288927500&w=2
• http://www.ocert.org/advisories/ocert-2010-001.html
• http://www.ubuntu.com/usn/USN-981-1
• http://www.vupen.com/english/advisories/2010/2872
• https://bugzilla.redhat.com/show_bug.cgi?id=591580
• https://bugzilla.redhat.com/show_bug.cgi?id=602800

Affected products (122)

• cpe:2.3:a:gisle_aas:libwww-perl:0.01:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:0.02:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:0.03:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:0.04:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.00:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.01:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.02:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.03:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.04:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.05:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.06:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.07:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.08:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.09:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.10:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.11:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.12:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.13:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.14:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.15:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.16:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.17:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.18:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.18_03:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.18_04:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.18_05:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.19:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.20:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.21:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.22:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.30:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.31:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.32:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.33:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.34:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.35:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.36:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.41:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.42:*:*:*:*:*:*:*
• cpe:2.3:a:gisle_aas:libwww-perl:5.43:*:*:*:*:*:*:*

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