10

CVE-2009-0846: apple mac_os_x Access of Uninitialized Pointer

Modified
AliasesRHSA-2009:0409RHSA-2009:0410DEBIAN-CVE-2009-0846
Published 09-04-2009Last modified 07-08-2024

Vulnerability summary

CVE-2009-0846 is a high (CVSS 10.0) Access of Uninitialized Pointer vulnerability in apple mac_os_x. EPSS estimates a 8.90% chance of exploitation in the next 30 days, higher than 95.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 10, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
8.90%
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 · Related 1

Timeline

  1. 09-04-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

8.90%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

No change 0.00 pp

From 8.90% 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.

Redhat11 products
Apple1 product
Canonical1 product
Debian1 product
  • krb5< 1.6.dfsg.4~beta1-13
Fedoraproject1 product
Mit1 product

6 vendors · 16 products

References

61 links
Show all 61 references