Gnupg: >> Libksba >> 0.9.13 Security Vulnerabilities
A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.
CVSS Score
9.8
EPSS Score
0.001
Published
2023-01-12
Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.
CVSS Score
9.8
EPSS Score
0.018
Published
2022-12-20
Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via unspecified vectors, related to the "returned length of the object from _ksba_ber_parse_tl."
CVSS Score
7.5
EPSS Score
0.008
Published
2016-06-13
Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.
CVSS Score
7.5
EPSS Score
0.014
Published
2016-06-13
The append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.3 allows remote attackers to cause a denial of service (out-of-bounds read) by clearing the high bit of the byte after invalid utf-8 encoded data.
CVSS Score
7.5
EPSS Score
0.014
Published
2016-06-13
Multiple integer overflows in ber-decoder.c in Libksba before 1.3.3 allow remote attackers to cause a denial of service (crash) via crafted BER data, which leads to a buffer overflow.
CVSS Score
7.5
EPSS Score
0.007
Published
2016-06-13
ber-decoder.c in Libksba before 1.3.3 uses an incorrect integer data type, which allows remote attackers to cause a denial of service (crash) via crafted BER data, which leads to a buffer overflow.
CVSS Score
7.5
EPSS Score
0.007
Published
2016-06-13
ber-decoder.c in Libksba before 1.3.3 does not properly handle decoder stack overflows, which allows remote attackers to cause a denial of service (abort) via crafted BER data.
CVSS Score
7.5
EPSS Score
0.004
Published
2016-06-13
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
7.5
EPSS Score
0.048
Published
2014-12-01