CVE-2020-29562
glibc-source: The iconv function in the GNU C Library (aka glibc or libc6) 2.30 to 2.32, when converting UCS4 text containing an ir...
CVE-2020-29562 is fixed in 21 products on 1 platform, first by glibc-source 2.27-3ubuntu1.5, released January 31, 2022. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0168
77th percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| glibc-source · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | glibc-source 2.27-3ubuntu1.5 | Jan 31, 2022 |
| glibc-source · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | glibc-source 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc-bin · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc-bin 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc-bin · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc-bin 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc-dev-bin · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc-dev-bin 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc-dev-bin · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc-dev-bin 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6 · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6 · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-amd64 · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6-amd64 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6-amd64 · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-amd64 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-armel · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6-armel 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6-armel · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-armel 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-dev-amd64 · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6-dev-amd64 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6-dev-amd64 · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-dev-amd64 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-dev-armel · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6-dev-armel 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6-dev-armel · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-dev-armel 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-dev-i386 · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6-dev-i386 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6-dev-i386 · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-dev-i386 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-dev-s390 · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6-dev-s390 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6-dev-s390 · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-dev-s390 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-dev-x32 · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6-dev-x32 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6-dev-x32 · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-dev-x32 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-i386 · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6-i386 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6-i386 · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-i386 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-lse · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6-lse 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6-lse · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-lse 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-pic · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6-pic 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6-pic · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-pic 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-prof · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-prof 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-s390 · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6-s390 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6-s390 · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-s390 2.31-0ubuntu9.7 | Jan 31, 2022 |
| libc6-x32 · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | libc6-x32 2.27-3ubuntu1.5 | Jan 31, 2022 |
| libc6-x32 · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | libc6-x32 2.31-0ubuntu9.7 | Jan 31, 2022 |
| locales · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | locales 2.27-3ubuntu1.5 | Jan 31, 2022 |
| locales · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | locales 2.31-0ubuntu9.7 | Jan 31, 2022 |
| locales-all · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | locales-all 2.27-3ubuntu1.5 | Jan 31, 2022 |
| locales-all · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | locales-all 2.31-0ubuntu9.7 | Jan 31, 2022 |
| multiarch-support · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | multiarch-support 2.27-3ubuntu1.5 | Jan 31, 2022 |
| nscd · Ubuntu 18.04.6 LTS (bionic) | 2.27-3ubuntu1.5 | nscd 2.27-3ubuntu1.5 | Jan 31, 2022 |
| nscd · Ubuntu 20.04 LTS (focal) | 2.31-0ubuntu9.7 | nscd 2.31-0ubuntu9.7 | Jan 31, 2022 |
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