CVE-2014-9087
libksba: integer underflow flaw leading to a heap-based buffer overflow in ksba_oid_to_str()
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · November 25, 2014
Updated · June 27, 2026
Description
Integer underflow in the ksba_oid_to_str function in Libksba before 1.3.2, as used in GnuPG, allows remote attackers to cause a denial of service (crash) via a crafted OID in a (1) S/MIME message or (2) ECC based OpenPGP data, which triggers a buffer overflow.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 5.1AV:N/AC:H/Au:N/C:P/I:P/A:P
CWE-191 · Integer Underflow (Wrap or Wraparound)