CVE-2013-4488: libgadu before 1.12.0 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle atta

Q: How do I fix CVE-2013-4488?

libgadu: upgrade to newer than 1.11.4. Exact commands for each OS are on this page.

Q: Is CVE-2013-4488 being exploited?

CVE-2013-4488 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2013-4488 affect?

CVE-2013-4488 affects libgadu. Severity is medium (CVSS 4.3). libgadu before 1.12.0 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers.

Q: How urgent is CVE-2013-4488?

Priority 32/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2013-4488 is a medium-severity flaw (CVSS 4.3) affecting libgadu. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

libgadu before 1.12.0 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-310
Published	2014-10-10
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: libgadu

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-10-10 01:55 UTCPublished CVE record published
2026-06-16 23:57 UTCUpdated Record last modified

libgadu libgadu UPGRADE

Affected: <= 1.11.4

Fixed in: newer than 1.11.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libgadu || rpm -q libgadu || libgadu --version

2. UPGRADE to newer than 1.11.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade libgadu

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libgadu

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2013-4488?

libgadu: upgrade to newer than 1.11.4. Exact commands for each OS are on this page.

Is CVE-2013-4488 being exploited?

CVE-2013-4488 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2013-4488 affect?

CVE-2013-4488 affects libgadu. Severity is medium (CVSS 4.3). libgadu before 1.12.0 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers.

How urgent is CVE-2013-4488?

Priority 32/100. No elevated risk signals yet.

Related CVEs

CVE-2014-3775 HIGH 7.5 UPGRADE libgadu before 1.11.4 and 1.12.0 before 1.12.0-rc3, as used in Pidgin and other products, allows remote Gadu-G

References

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