debian/klibc vulnerabilities

Latest debian/klibc CVEs

Newest publication first

1. DLA-2695-1 klibc - security update

   Published 2021-06-28

   Unknown

2. CVE-2021-31870 An issue was discovered in klibc before 2.0.9. Multiplication in the calloc() function may result in an integer overflow and a subsequent heap buffer overflow.

   Published 2021-04-30

   Critical·CVSS 9.8 EPSS 2.1%

   An issue was discovered in klibc before 2.0.9. Multiplication in the calloc() function may result in an integer overflow and a subsequent heap buffer overflow.

3. CVE-2021-31872 An issue was discovered in klibc before 2.0.9. Multiple possible integer overflows in the cpio command on 32-bit systems may result in a buffer overflow or other security impact.

   Published 2021-04-30

   Critical·CVSS 9.8 EPSS 2.1%

   An issue was discovered in klibc before 2.0.9. Multiple possible integer overflows in the cpio command on 32-bit systems may result in a buffer overflow or other security impact.

4. CVE-2021-31871 An issue was discovered in klibc before 2.0.9. An integer overflow in the cpio command may result in a NULL pointer dereference on 64-bit systems.

   Published 2021-04-30

   High·CVSS 7.5 EPSS 1.9%

   An issue was discovered in klibc before 2.0.9. An integer overflow in the cpio command may result in a NULL pointer dereference on 64-bit systems.

5. CVE-2021-31873 An issue was discovered in klibc before 2.0.9. Additions in the malloc() function may result in an integer overflow and a subsequent heap buffer overflow.

   Published 2021-04-30

   Critical·CVSS 9.8 EPSS 2.2%

   An issue was discovered in klibc before 2.0.9. Additions in the malloc() function may result in an integer overflow and a subsequent heap buffer overflow.

6. CVE-2011-1930 In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly escaped. This may allow a remote attacker to send a specially crafted DHCP reply which could....

   Published 2019-11-14

   Critical·CVSS 9.8 EPSS 20.5%

   In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly escaped. This may allow a remote attacker to send a specially crafted DHCP reply which could execute arbitrary code with the privileges of any process which sources DHCP opt...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.