01 Record
CVE-2010-2951
dns_internal.cc in Squid 3.1.6, when IPv6 DNS resolution is not enabled, accesses an invalid socket during an IPv4 TCP DNS query, which allows remote attackers to cause a denial of service (assertion
UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
02 Description
dns_internal.cc in Squid 3.1.6, when IPv6 DNS resolution is not enabled, accesses an invalid socket during an IPv4 TCP DNS query, which allows remote attackers to cause a denial of service (assertion
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 31.46% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.1% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2010-10-12 20:00Z16 YR AGO
- Last updated
- 2024-08-07 02:55Z2 YR AGO
- Reserved
- 2010-08-04
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 78bcff50912bdf94299165dbefd3498ba8d36fdc3c0a65f442d589754219cd8e
05 Affected products
06 References
- www.openwall.com[oss-security] 20100825 Re: CVE Request -- Squid v3.1.6 -- DoS (crash) while processing large DNS replies with no IPv6 resolver presenthttp://www.openwall.com/lists/oss-security/2010/08/25/6
- www.openwall.com[oss-security] 20100825 Re: CVE Request -- Squid v3.1.6 -- DoS (crash) while processing large DNS replies with no IPv6 resolver presenthttp://www.openwall.com/lists/oss-security/2010/08/24/7
- bugs.squid-cache.orghttp://bugs.squid-cache.org/show_bug.cgi?id=3009
- marc.info[squid-users] 20100824 Squid 3.1.7 is availablehttp://marc.info/?l=squid-users&m=128263555724981&w=2
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=626927
- bugs.squid-cache.orghttp://bugs.squid-cache.org/show_bug.cgi?id=3021
- bazaar.launchpad.nethttp://bazaar.launchpad.net/~squid/squid/3.1/revision/10072
- bugs.gentoo.orghttp://bugs.gentoo.org/show_bug.cgi?id=334263
- www.openwall.com[oss-security] 20100824 CVE Request -- Squid v3.1.6 -- DoS (crash) while processing large DNS replies with no IPv6 resolver presenthttp://www.openwall.com/lists/oss-security/2010/08/24/6
- www.openwall.com[oss-security] 20100825 Re: CVE Request -- Squid v3.1.6 -- DoS (crash) while processing large DNS replies with no IPv6 resolver presenthttp://www.openwall.com/lists/oss-security/2010/08/25/2
- www.squid-cache.orghttp://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10072.patch