What’s Vulnerable › Vulnerabilities

CVE-2020-29562

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-12-04 · updated 2026-10-14
• Weakness: CWE-617

Description

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.

Affected products

• Fedoraproject Fedora: 32
• GNU C Library (glibc): from 2.30 through 2.32
• E-Series SANtricity OS Controller Software 11.x: from 11.0.0 through 11.60.3

References

• https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TVCUNLQ3HXGS4VPUQKWTJGRAW2KTFGXS/
• https://security.gentoo.org/glsa/202101-20
• https://security.netapp.com/advisory/ntap-20210122-0004/
• https://sourceware.org/bugzilla/show_bug.cgi?id=26923
• https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TVCUNLQ3HXGS4VPUQKWTJGRAW2KTFGXS/
• https://security.gentoo.org/glsa/202101-20
• https://security.netapp.com/advisory/ntap-20210122-0004/
• https://sourceware.org/bugzilla/show_bug.cgi?id=26923
• https://cert-portal.siemens.com/productcert/html/ssa-398330.html
• https://cert-portal.siemens.com/productcert/html/ssa-831302.html

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