7.5

CVE-2011-2821: apple iphone_os Double Free

Modified
AliasesDEBIAN-CVE-2011-2821
Published 29-08-2011Last modified 06-08-2024

Vulnerability summary

CVE-2011-2821 is a high (CVSS 7.5) Double Free vulnerability in apple iphone_os. EPSS estimates a 1.69% chance of exploitation in the next 30 days, higher than 77.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
1.69%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3
DSA-2394-1RHSA-2011:1749RHSA-2013:0217

Timeline

  1. 29-08-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Double free vulnerability in libxml2, as used in Google Chrome before 13.0.782.215, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted XPath expression.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.69%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.69% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Redhat4 products
Apple2 products
Debian2 products
Google1 product

4 vendors · 9 products

References

13 links
Show all 13 references