CVE-2015-7547 · cross-distro fix matrix

CVE-2015-7547: Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the libresolv library in the GNU C Library (aka glibc or libc6) before 2.23 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted DNS response that triggers a

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2015-7547 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

glibc→ fixed in2.21-8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y glibc
```

Debian bookworm

Source: Debian Security Tracker

glibc→ fixed in2.21-8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y glibc
```

Debian trixie

Source: Debian Security Tracker

glibc→ fixed in2.21-8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y glibc
```

Are YOU affected by CVE-2015-7547?

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

CVE-2015-7547dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)