CVE-2011-1924
Buffer overflow in the policy_summarize function in or/policies.c in Tor before 0.2.1.30 allows remote attackers to cause a denial of service (directory authority crash) via a crafted policy that
02 Description
Buffer overflow in the policy_summarize function in or/policies.c in Tor before 0.2.1.30 allows remote attackers to cause a denial of service (directory authority crash) via a crafted policy that
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
- 2.81% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.3% 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
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
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
- 2011-06-14 17:00Z15 YR AGO
- Last updated
- 2024-08-06 22:46Z2 YR AGO
- Reserved
- 2011-05-09
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 24b9fb395695dc72a71da48c25aa0bdacc7607610fb2e344cfb8d7c9ee91e047
05 Affected products
06 References
- secunia.com43548http://secunia.com/advisories/43548
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=705194
- secunia.com44862http://secunia.com/advisories/44862
- www.securityfocus.com46618http://www.securityfocus.com/bid/46618
- gitweb.torproject.orghttps://gitweb.torproject.org/tor.git/commit/43414eb98821d3b5c6c65181d7545ce938f82c8e
- lists.fedoraproject.orgFEDORA-2011-7972http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061258.html
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=705192
- lists.torproject.org[tor-announce] 20110228 Tor 0.2.1.30 is releasedhttps://lists.torproject.org/pipermail/tor-announce/2011-February/000000.html
07 Fixed in
Debian 12
- tor Fixed in 0.2.1.30-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- tor Fixed in 0.2.1.30-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- tor Fixed in 0.2.1.30-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.