Vulnerability in Gnu Glibc
CVE-2020-29562
The iconv function in the GNU C Library (aka glibc or libc6) 2.30 to 2.32, when converting UCS4 text containing an irreversible character, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.
EPSS: 0.015 (71.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Gnu Glibc
- Netapp E-series_santricity_os_controller
- Fedoraproject Fedora — versions 32
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2020-29562?
- CVE-2020-29562 is a medium-severity vulnerability in Gnu Glibc, classified under Reachable Assertion. CVSS score: 4.8/10. Published 2020-12-04.
- How severe is CVE-2020-29562?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2020-29562 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.