CVE-2021-35517 · cross-distro fix matrix

CVE-2021-35517: When reading a specially crafted TAR archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. This could be used to mount a denial of service attack against services that use Compress' tar package.

Affects 2 Linux releases across 2 (distro × package) combinations.

Elevated exploitation risk

FIRST EPSS puts CVE-2021-35517's probability of exploitation in the next 30 days at 11% (95th percentile of all CVEs)— well above the noise floor. Prioritize it.

EPSS:11% · 30-day exploit probability95th percentile

Fix per ecosystem

Each block below is a distro release where CVE-2021-35517 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

libcommons-compress-java→ fixed in1.21-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libcommons-compress-java
```

Debian trixie

Source: Debian Security Tracker

libcommons-compress-java→ fixed in1.21-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libcommons-compress-java
```

Are YOU affected by CVE-2021-35517?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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