The (1) ntlm_fetch_string and (2) ntlm_get_string functions in Squid 2.5.6 and earlier, with NTLM authentication enabled, allow remote…

Description

The (1) ntlm_fetch_string and (2) ntlm_get_string functions in Squid 2.5.6 and earlier, with NTLM authentication enabled, allow remote attackers to cause a denial of service (application crash) via an NTLMSSP packet that causes a negative value to be passed to memcpy.

Scores

EPSS (exploitation in 30 days)

10.4% · top 4.3% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (9)

• http://www1.uk.squid-cache.org/squid/Versions/v2/2.5/bugs/#squid-2.5.STABLE6-ntlm_fetch_string (opens in a new tab)x_refsource_CONFIRMx_transferred
• 11098 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• http://www.squid-cache.org/bugs/show_bug.cgi?id=1045 (opens in a new tab)x_refsource_CONFIRMx_transferred
• GLSA-200409-04 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• FLSA-2006:152809 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 2004-0047 (opens in a new tab)vendor-advisoryx_refsource_TRUSTIXx_transferred
• oval:org.mitre.oval:def:10489 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• squid-ntlmssp-dos(17218) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• MDKSA-2004:093 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Record last updated 8 Aug 2024, 00:31 UTC.